{"title":"Fire Alarm Detectors","description":"\u003ch2\u003eFire Alarm Detectors — Addressable \u0026amp; Conventional Smoke, Heat and Multi-Sensor Detectors\u003c\/h2\u003e\u003cp\u003eGenuine \u003cstrong\u003efire alarm detectors\u003c\/strong\u003e from Gent and Notifier by Honeywell, covering addressable and conventional detection. The range spans the Gent S-Quad (S4) series, Notifier's Opal addressable range, Gent ES conventional detectors, projected beam detection and duct detector housings.\u003c\/p\u003e\u003cp\u003eAll detectors are EN54 approved and suitable for UK commercial installations designed to BS 5839-1. Whether you're replacing a faulty head or extending an existing system, we can source the part as a Honeywell Technologies authorised distributor.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGent S-Quad addressable — optical (\u003ca href=\"\/products\/gent-s4-optical-detector-s4-715\"\u003eS4-715\u003c\/a\u003e), heat (\u003ca href=\"\/products\/gent-s4-heat-sensor-s4-720\"\u003eS4-720\u003c\/a\u003e), optical heat (S4-710), dual optical heat (S4-711) and CO multi-sensor (S4-901)\u003c\/li\u003e\n\u003cli\u003eGent S-Quad detector\/sounder and detector\/VAD combination units, including the \u003ca href=\"\/products\/gent-s4-optical-heat-sensor-sounder-s4-770-s\"\u003eS4-770-S\u003c\/a\u003e optical heat sensor with sounder\u003c\/li\u003e\n\u003cli\u003eNotifier Opal addressable — \u003ca href=\"\/products\/notifier-opal-addressable-optical-smoke-detector-with-isolator-nfxi-opt\"\u003eNFXI-OPT\u003c\/a\u003e optical, NFXI-SMT3 and SMT2-BK multi-sensor, NFXI-TFIX58 and NFXI-TDIFF heat\u003c\/li\u003e\n\u003cli\u003eGent ES conventional — optical smoke (800371), fixed heat (800171, 800177) and rate of rise (800271)\u003c\/li\u003e\n\u003cli\u003eProjected beam smoke detection for large open spaces\u003c\/li\u003e\n\u003cli\u003eDuct detector housings for HVAC applications (Gent S4-34760, Notifier DNRE)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDetector bases, beam brackets, light shields and test cards are listed separately in \u003ca href=\"\/collections\/fire-alarm-accessories-spares\"\u003eAccessories \u0026amp; Spares\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eTesting detectors on large or hard-to-reach sites? Read our guide to \u003ca href=\"\/blogs\/knowledge-hub\/honeywell-self-test-detectors-gent-notifier\"\u003eHoneywell Self-Test detectors (Gent S4T and Notifier NFSTI)\u003c\/a\u003e, which test themselves with real smoke and heat from the CLSS app.\u003c\/p\u003e\u003cp\u003eGenuine Gent, Notifier and Morley IAS parts supplied direct from Honeywell Technologies. Stocked lines ordered before 2pm are dispatched the same working day. Items not held in stock are ordered in from Honeywell and typically dispatched within 3–5 working days. As a Honeywell Technologies authorised distributor, we can source the full product range — contact us if you need a lead time confirmed before ordering.\u003c\/p\u003e","products":[{"product_id":"gent-s4-heat-sensor-s4-720","title":"Gent S4 Heat Sensor (S4-720)","description":"\u003cp\u003eThe Gent S4-720 is an S-Quad addressable heat sensor for Gent Vigilon and Nano systems. Heat sensors suit areas where smoke detectors could cause false alarms, such as kitchens, boiler rooms and dusty areas. Detector head only. The S4-700 base is sold separately.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eShort-circuit isolator in each device\u003c\/li\u003e\n\u003cli\u003eCertified sensitivity settings for different environments, programmable by time of day\u003c\/li\u003e\n\u003cli\u003eMounts on the common S-Quad S4-700 base\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eS4-720\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGent by Honeywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRange\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eS-Quad (analogue addressable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApprovals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLPCB approved; covered by Honeywell's EN54 Declaration of Performance for S4-715, S4-710, S4-720 and S4-711\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBase\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSold separately: \u003ca href=\"\/products\/gent-base-common-for-all-s-quad-sensors-s4-700\"\u003eGent S4-700 common S-Quad base\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eDesigned for Gent Vigilon and Nano systems. If you are replacing devices on an older installation, send us the panel model and the part numbers currently fitted and we'll confirm before you order.\u003c\/p\u003e\u003ch3\u003eWhat's in the box\u003c\/h3\u003e\u003cp\u003eDetector head only. Order the S4-700 base separately if you don't already have one.\u003c\/p\u003e\u003ch3\u003eGenuine parts, trade supply\u003c\/h3\u003e\u003cp\u003eSupplied new and genuine through our Honeywell-authorised Gent distribution, not grey-market or used stock. Using genuine, approved devices helps keep your system's EN54 approval and BS 5839-1 servicing regime valid.\u003c\/p\u003e\u003ch3\u003eAvailability\u003c\/h3\u003e\u003cp\u003ePlease confirm stock and lead time before ordering. Stocked lines dispatch same day when ordered before 2pm; other lines typically ship in 3 to 5 working days. Prices exclude VAT. For bulk quantities or trade pricing call 020 8861 2466 or email \u003ca href=\"mailto:sales@firealarmwarehouse.co.uk\"\u003esales@firealarmwarehouse.co.uk\u003c\/a\u003e.\u003c\/p\u003e","brand":"Gent","offers":[{"title":"Default Title","offer_id":52800377618779,"sku":"S4-720","price":44.82,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/files\/FAW-S4-720.jpg?v=1790004311"},{"product_id":"gent-s4-optical-detector-s4-715","title":"Gent S4 Optical Detector (S4-715)","description":"\u003cp\u003eThe Gent S4-715 is a genuine Gent by Honeywell S-Quad analogue addressable optical smoke detector for Gent Vigilon-family fire alarm panels, including Vigilon Plus and Compact Plus. It gives reliable early warning of slow-burning and smouldering fires in commercial and industrial buildings, and is supplied as a like-for-like replacement part for existing Gent Vigilon-family systems.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDetector head only — base not included.\u003c\/strong\u003e Requires the \u003ca href=\"\/products\/gent-base-common-for-all-s-quad-sensors-s4-700\"\u003eGent S4-700 common S-Quad base\u003c\/a\u003e, sold separately.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOptical smoke sensing for early detection of smouldering fires\u003c\/li\u003e\n\u003cli\u003eBuilt-in short circuit isolator to protect loop integrity\u003c\/li\u003e\n\u003cli\u003eProgrammable sensitivity states for different risk environments\u003c\/li\u003e\n\u003cli\u003eMounts on the common S-Quad base, so detector types can be swapped without rewiring\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eS4-715\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGent by Honeywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRange\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eS-Quad (analogue addressable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDetection type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOptical smoke\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApprovals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLPCB approved; EN54-7 (smoke detectors), EN54-17 (short circuit isolators); covered by Honeywell's EN54 Declaration of Performance for S4-715, S4-710, S4-720 and S4-711\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIngress protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHousing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e117 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e110 g (head only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBase\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSold separately: Gent S4-700 common S-Quad base\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eDesigned for Gent Vigilon-family analogue addressable panels. Compatibility on an existing system depends on the panel, loop card and software versions, so if you're replacing devices on an older installation, send us the panel model and the part numbers currently fitted and we'll confirm before you order.\u003c\/p\u003e\u003ch3\u003eWhat's in the box\u003c\/h3\u003e\u003cp\u003eDetector head only. Order the S4-700 base separately if you don't already have one.\u003c\/p\u003e\u003ch3\u003eGenuine parts, trade supply\u003c\/h3\u003e\u003cp\u003eSupplied new and genuine through our Honeywell-authorised Gent distribution, not grey-market or used stock. Using genuine, approved devices helps keep your system's EN54 approval and BS 5839-1 servicing regime valid.\u003c\/p\u003e\u003ch3\u003eDispatch\u003c\/h3\u003e\u003cp\u003eIn-stock items are dispatched same day on orders placed before 2pm. Items ordered in from the supplier typically dispatch within 3–5 working days. Prices shown exclude VAT. For stock checks, bulk quantities or trade pricing, call 020 8861 2466 or email \u003ca href=\"mailto:sales@firealarmwarehouse.co.uk\"\u003esales@firealarmwarehouse.co.uk\u003c\/a\u003e.\u003c\/p\u003e","brand":"Gent","offers":[{"title":"Default Title","offer_id":52800377749851,"sku":"S4-715","price":35.1,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/files\/FAW-S4-715.jpg?v=1790004313"},{"product_id":"gent-s4-optical-heat-sensor-s4-710","title":"Gent S4 Optical Heat Sensor (S4-710)","description":"\u003cp\u003eThe Gent S4-710 Optical Heat Sensor is an addressable multi-criteria detector combining optical smoke and fixed temperature heat detection. Designed for use with Gent Vigilon and Compact Plus fire alarm systems, it reduces false alarms while maintaining reliable fire detection.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDetector head only — base not included.\u003c\/strong\u003e Requires the \u003ca href=\"\/products\/gent-base-common-for-all-s-quad-sensors-s4-700\"\u003eGent S4-700 common S-Quad base\u003c\/a\u003e, sold separately.\u003c\/p\u003e\u003cp\u003eSuitable for a wide range of commercial and industrial applications.\u003c\/p\u003e\u003cp\u003eGenuine Gent component. Typically dispatched within 3–5 working days. Call 020 8861 2466 to check current stock and lead time before ordering.\u003c\/p\u003e","brand":"Gent","offers":[{"title":"Default Title","offer_id":52800377848155,"sku":"S4-710","price":48.06,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/files\/FAW-S4-710.jpg?v=1790004311"},{"product_id":"gent-s4-black-dual-optical-heat-sensor-s4-711","title":"Gent S4 Black Dual Optical Heat Sensor (S4-711)","description":"\u003cp\u003eThe Gent S4-711 Black Dual Optical Heat Sensor is an addressable multi-criteria detector in a black finish, combining dual optical and heat detection technology. Designed for use with Gent Vigilon and Compact Plus fire alarm systems where aesthetic requirements demand a discreet finish.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDetector head only — base not included.\u003c\/strong\u003e Requires the \u003ca href=\"\/products\/gent-base-common-for-all-s-quad-sensors-s4-700\"\u003eGent S4-700 common S-Quad base\u003c\/a\u003e, sold separately.\u003c\/p\u003e\u003cp\u003eIdeal for hotels, retail and prestige commercial environments.\u003c\/p\u003e\u003cp\u003eGenuine Gent component. Typically dispatched within 3–5 working days. Call 020 8861 2466 to check current stock and lead time before ordering.\u003c\/p\u003e","brand":"Gent","offers":[{"title":"Default Title","offer_id":52800377979227,"sku":"S4-711","price":59.4,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/files\/s4-711.jpg?v=1778160231"},{"product_id":"gent-s4-co-dual-optical-heat-sensor-s4-901","title":"Gent S4 CO Dual Optical Heat Sensor (S4-901)","description":"\u003cp\u003eThe Gent S4-901 CO Dual Optical Heat Sensor is an addressable multi-criteria detector combining carbon monoxide, dual optical smoke and heat detection. Designed for use with Gent Vigilon and Compact Plus fire alarm systems, it provides advanced fire and CO detection from a single device.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDetector head only — base not included.\u003c\/strong\u003e Requires the \u003ca href=\"\/products\/gent-base-common-for-all-s-quad-sensors-s4-700\"\u003eGent S4-700 common S-Quad base\u003c\/a\u003e, sold separately.\u003c\/p\u003e\u003cp\u003eIdeal for commercial premises requiring combined fire and CO detection.\u003c\/p\u003e\u003cp\u003eGenuine Gent component. Typically dispatched within 3–5 working days. Call 020 8861 2466 to check current stock and lead time before ordering.\u003c\/p\u003e","brand":"Gent","offers":[{"title":"Default Title","offer_id":52800378077531,"sku":"S4-901","price":80.46,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/files\/FAW-S4-901.jpg?v=1790004311"},{"product_id":"gent-s4-dual-optical-heat-sensor-high-power-red-vad-s4-711-vad-hpr","title":"Gent S4 Dual Optical Heat Sensor High Power Red VAD (S4-711-VAD-HPR)","description":"\u003cp\u003eThe Gent S4-711-VAD-HPR combines a dual optical heat detector with a high power red visual alarm device in a single unit. Designed for use with Gent Vigilon and Compact Plus addressable fire alarm systems, it provides both detection and notification from one loop device.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDetector head only — base not included.\u003c\/strong\u003e Requires the \u003ca href=\"\/products\/gent-base-common-for-all-s-quad-sensors-s4-700\"\u003eGent S4-700 common S-Quad base\u003c\/a\u003e, sold separately.\u003c\/p\u003e\u003cp\u003eReduces installation costs in areas requiring both detection and visual alarm.\u003c\/p\u003e\u003cp\u003eGenuine Gent component. Typically dispatched within 3–5 working days. Call 020 8861 2466 to check current stock and lead time before ordering.\u003c\/p\u003e","brand":"Gent","offers":[{"title":"Default Title","offer_id":52800378274139,"sku":"S4-711-VAD-HPR","price":109.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/files\/FAW-S4-711-VAD-HPR.jpg?v=1790004312"},{"product_id":"gent-s4-heat-sensor-sounder-s4-780-s","title":"Gent S4 Heat Sensor Sounder (S4-780-S)","description":"\u003cp\u003eThe Gent S4-780-S Heat Sensor Sounder combines an addressable fixed temperature heat detector with an integral sounder in a single compact unit. Designed for use with Gent Vigilon and Compact Plus fire alarm systems, it provides detection and audible alarm notification from a single loop device.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDetector head only — base not included.\u003c\/strong\u003e Requires the \u003ca href=\"\/products\/gent-base-common-for-all-s-quad-sensors-s4-700\"\u003eGent S4-700 common S-Quad base\u003c\/a\u003e, sold separately.\u003c\/p\u003e\u003cp\u003eIdeal for smaller areas requiring both detection and notification.\u003c\/p\u003e\u003cp\u003eGenuine Gent component. Typically dispatched within 3–5 working days. Call 020 8861 2466 to check current stock and lead time before ordering.\u003c\/p\u003e","brand":"Gent","offers":[{"title":"Default Title","offer_id":52800378372443,"sku":"S4-780-S","price":74.52,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/files\/FAW-S4-780-S.jpg?v=1790004312"},{"product_id":"gent-s4-optical-heat-sensor-sounder-s4-770-s","title":"Gent S4 Optical Heat Sensor Sounder (S4-770-S)","description":"\u003cp\u003eThe Gent S4-770-S is an S-Quad addressable multi-sensor combining optical smoke and heat detection with a built-in sounder, for Gent Vigilon and Nano systems. Detector head only. The S4-700 base is sold separately.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOptical smoke and heat detection with an integral sounder\u003c\/li\u003e\n\u003cli\u003eShort-circuit isolator in each device\u003c\/li\u003e\n\u003cli\u003eAdjustable sound level and tones; sounder patterns synchronised from the panel\u003c\/li\u003e\n\u003cli\u003eSounder element monitoring and overload protection, so it keeps working through a cable fault\u003c\/li\u003e\n\u003cli\u003eSound output synchronised with the S-Quad range of EN54-23 visual alarm devices\u003c\/li\u003e\n\u003cli\u003eProgrammable sensitivity states for different rooms or times of day\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eS4-770-S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGent by Honeywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRange\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eS-Quad (analogue addressable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBase\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSold separately: \u003ca href=\"\/products\/gent-base-common-for-all-s-quad-sensors-s4-700\"\u003eGent S4-700 common S-Quad base\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eDesigned for Gent Vigilon and Nano systems. If you are replacing devices on an older installation, send us the panel model and the part numbers currently fitted and we'll confirm before you order.\u003c\/p\u003e\u003ch3\u003eWhat's in the box\u003c\/h3\u003e\u003cp\u003eDetector head only. Order the S4-700 base separately if you don't already have one.\u003c\/p\u003e\u003ch3\u003eGenuine parts, trade supply\u003c\/h3\u003e\u003cp\u003eSupplied new and genuine through our Honeywell-authorised Gent distribution, not grey-market or used stock. Using genuine, approved devices helps keep your system's EN54 approval and BS 5839-1 servicing regime valid.\u003c\/p\u003e\u003ch3\u003eAvailability\u003c\/h3\u003e\u003cp\u003ePlease confirm stock and lead time before ordering. Stocked lines dispatch same day when ordered before 2pm; other lines typically ship in 3 to 5 working days. Prices exclude VAT. For bulk quantities or trade pricing call 020 8861 2466 or email \u003ca href=\"mailto:sales@firealarmwarehouse.co.uk\"\u003esales@firealarmwarehouse.co.uk\u003c\/a\u003e.\u003c\/p\u003e","brand":"Gent","offers":[{"title":"Default Title","offer_id":52800378470747,"sku":"S4-770-S","price":68.04,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/files\/FAW-S4-770-S.jpg?v=1790004311"},{"product_id":"gent-s4-dual-optical-heat-sensor-sounder-s4-771-s","title":"Gent S4 Dual Optical Heat Sensor Sounder (S4-771-S)","description":"\u003cp\u003eThe Gent S4-771-S Dual Optical Heat Sensor Sounder combines addressable dual optical heat detection with an integral sounder in a single unit. For use with Gent Vigilon and Compact Plus addressable fire alarm systems.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDetector head only — base not included.\u003c\/strong\u003e Requires the \u003ca href=\"\/products\/gent-base-common-for-all-s-quad-sensors-s4-700\"\u003eGent S4-700 common S-Quad base\u003c\/a\u003e, sold separately.\u003c\/p\u003e\u003cp\u003eReduces loop device count in areas needing detection and audible alarm.\u003c\/p\u003e\u003cp\u003eGenuine Gent component. Typically dispatched within 3–5 working days. Call 020 8861 2466 to check current stock and lead time before ordering.\u003c\/p\u003e","brand":"Gent","offers":[{"title":"Default Title","offer_id":52800378569051,"sku":"S4-771-S","price":82.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/files\/FAW-S4-771-S.jpg?v=1790004312"},{"product_id":"gent-s4-dual-optical-heat-sensor-voice-sounder-s4-711-v","title":"Gent S4 Dual Optical Heat Sensor Voice Sounder (S4-711-V)","description":"\u003cp\u003eThe Gent S4-711-V combines dual optical heat detection with an addressable voice sounder. For use with Gent Vigilon and Compact Plus fire alarm systems, it provides spoken fire evacuation messages alongside reliable multi-criteria detection.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDetector head only — base not included.\u003c\/strong\u003e Requires the \u003ca href=\"\/products\/gent-base-common-for-all-s-quad-sensors-s4-700\"\u003eGent S4-700 common S-Quad base\u003c\/a\u003e, sold separately.\u003c\/p\u003e\u003cp\u003eSuitable for buildings where voice evacuation is required.\u003c\/p\u003e\u003cp\u003eGenuine Gent component. Typically dispatched within 3–5 working days. Call 020 8861 2466 to check current stock and lead time before ordering.\u003c\/p\u003e","brand":"Gent","offers":[{"title":"Default Title","offer_id":52800378667355,"sku":"S4-711-V","price":108.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/files\/FAW-S4-711-V.jpg?v=1790004310"},{"product_id":"gent-s4-heat-sensor-voice-sounder-high-power-red-vad-s4-720-v-vad-hpr","title":"Gent S4 Heat Sensor Voice Sounder High Power Red VAD (S4-720-V-VAD-HPR)","description":"\u003cp\u003eThe Gent S4-720-V-VAD-HPR combines an addressable heat sensor with a voice sounder and high power red visual alarm device. For use with Gent Vigilon and Compact Plus fire alarm systems. Provides heat detection, voice evacuation and high power visual alarm from a single loop device.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDetector head only — base not included.\u003c\/strong\u003e Requires the \u003ca href=\"\/products\/gent-base-common-for-all-s-quad-sensors-s4-700\"\u003eGent S4-700 common S-Quad base\u003c\/a\u003e, sold separately.\u003c\/p\u003e\u003cp\u003eGenuine Gent component. Typically dispatched within 3–5 working days. Call 020 8861 2466 to check current stock and lead time before ordering.\u003c\/p\u003e","brand":"Gent","offers":[{"title":"Default Title","offer_id":52800378765659,"sku":"S4-720-V-VAD-HPR","price":107.46,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/files\/FAW-S4-720-V-VAD-HPR.jpg?v=1790004311"},{"product_id":"gent-s4-heat-sensor-voice-sounder-standard-power-red-vad-s4-711-v-vad-lpr","title":"Gent S4 Dual Optical Heat Sensor Voice Sounder Standard Power Red VAD (S4-711-V-VAD-LPR)","description":"\u003cp\u003eThe Gent S4-711-V-VAD-LPR combines dual optical heat detection with a voice sounder and standard power red visual alarm device. For use with Gent Vigilon and Compact Plus fire alarm systems.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDetector head only — base not included.\u003c\/strong\u003e Requires the \u003ca href=\"\/products\/gent-base-common-for-all-s-quad-sensors-s4-700\"\u003eGent S4-700 common S-Quad base\u003c\/a\u003e, sold separately.\u003c\/p\u003e\u003cp\u003eGenuine Gent component. Typically dispatched within 3–5 working days. Call 020 8861 2466 to check current stock and lead time before ordering.\u003c\/p\u003e","brand":"Gent","offers":[{"title":"Default Title","offer_id":52800378863963,"sku":"S4-711-V-VAD-LPR","price":117.18,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/files\/FAW-S4-711-V-VAD-LPR.jpg?v=1790004310"},{"product_id":"gent-s4-dual-optical-heat-sensor-voice-sounder-high-power-white-vad-s4-711-v-vad-hpw","title":"Gent S4 Dual Optical Heat Sensor Voice Sounder High Power White VAD (S4-711-V-VAD-HPW)","description":"\u003cp\u003eThe Gent S4-711-V-VAD-HPW combines dual optical heat detection with a voice sounder and high power white visual alarm device. For use with Gent Vigilon and Compact Plus addressable fire alarm systems.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDetector head only — base not included.\u003c\/strong\u003e Requires the \u003ca href=\"\/products\/gent-base-common-for-all-s-quad-sensors-s4-700\"\u003eGent S4-700 common S-Quad base\u003c\/a\u003e, sold separately.\u003c\/p\u003e\u003cp\u003eWhite VAD finish suits environments where red devices are not preferred.\u003c\/p\u003e\u003cp\u003eGenuine Gent component. Typically dispatched within 3–5 working days. Call 020 8861 2466 to check current stock and lead time before ordering.\u003c\/p\u003e","brand":"Gent","offers":[{"title":"Default Title","offer_id":52800378962267,"sku":"S4-711-V-VAD-HPW","price":189.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/files\/FAW-S4-711-V-VAD-HPW.jpg?v=1790004311"},{"product_id":"gent-s4-dual-optical-heat-sensor-voice-sounder-high-power-red-vad-s4-711-v-vad-hpr","title":"Gent S4 Dual Optical Heat Sensor Voice Sounder High Power Red VAD (S4-711-V-VAD-HPR)","description":"\u003cp\u003eThe Gent S4-711-V-VAD-HPR combines dual optical heat detection with a voice sounder and high power red visual alarm device in a single addressable unit. For use with Gent Vigilon and Compact Plus fire alarm systems.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDetector head only — base not included.\u003c\/strong\u003e Requires the \u003ca href=\"\/products\/gent-base-common-for-all-s-quad-sensors-s4-700\"\u003eGent S4-700 common S-Quad base\u003c\/a\u003e, sold separately.\u003c\/p\u003e\u003cp\u003eCombines detection and notification in one device to reduce installation costs.\u003c\/p\u003e\u003cp\u003eGenuine Gent component. Typically dispatched within 3–5 working days. Call 020 8861 2466 to check current stock and lead time before ordering.\u003c\/p\u003e","brand":"Gent","offers":[{"title":"Default Title","offer_id":52800379027803,"sku":"S4-711-V-VAD-HPR","price":134.46,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/files\/FAW-S4-711-V-VAD-HPR.jpg?v=1790004310"},{"product_id":"gent-s4-co-dual-optical-heat-sensor-voice-sounder-high-power-white-vad-s4-911-v-vad-hpw","title":"Gent S4 CO Dual Optical Heat Sensor Voice Sounder High Power White VAD (S4-911-V-VAD-HPW)","description":"\u003cp\u003eThe Gent S4-911-V-VAD-HPW combines CO, dual optical heat detection with a voice sounder and high power white visual alarm device. For use with Gent Vigilon and Compact Plus addressable fire alarm systems.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDetector head only — base not included.\u003c\/strong\u003e Requires the \u003ca href=\"\/products\/gent-base-common-for-all-s-quad-sensors-s4-700\"\u003eGent S4-700 common S-Quad base\u003c\/a\u003e, sold separately.\u003c\/p\u003e\u003cp\u003eProvides CO detection, multi-criteria fire detection, voice evacuation and visual alarm from a single device.\u003c\/p\u003e\u003cp\u003eGenuine Gent component. Typically dispatched within 3–5 working days. Call 020 8861 2466 to check current stock and lead time before ordering.\u003c\/p\u003e","brand":"Gent","offers":[{"title":"Default Title","offer_id":52800379191643,"sku":"S4-911-V-VAD-HPW","price":214.92,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/files\/FAW-S4-911-V-VAD-HPW.jpg?v=1790004311"},{"product_id":"gent-s4-co-dual-optical-heat-sensor-voice-sounder-high-power-red-vad-s4-911-v-vad-hpr","title":"Gent S4 CO Dual Optical Heat Sensor Voice Sounder High Power Red VAD (S4-911-V-VAD-HPR)","description":"\u003cp\u003eThe Gent S4-911-V-VAD-HPR combines CO, dual optical heat detection with a voice sounder and high power red visual alarm device. For use with Gent Vigilon and Compact Plus addressable fire alarm systems.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDetector head only — base not included.\u003c\/strong\u003e Requires the \u003ca href=\"\/products\/gent-base-common-for-all-s-quad-sensors-s4-700\"\u003eGent S4-700 common S-Quad base\u003c\/a\u003e, sold separately.\u003c\/p\u003e\u003cp\u003eProvides CO detection, fire detection, voice evacuation and visual alarm from a single addressable device.\u003c\/p\u003e\u003cp\u003eGenuine Gent component. Typically dispatched within 3–5 working days. Call 020 8861 2466 to check current stock and lead time before ordering.\u003c\/p\u003e","brand":"Gent","offers":[{"title":"Default Title","offer_id":52800379289947,"sku":"S4-911-V-VAD-HPR","price":169.56,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/files\/FAW-S4-911-V-VAD-HPR.jpg?v=1790004311"},{"product_id":"gent-beam-sensor-pair-transmitter-and-receiver-excl-bracket-and-base-s4-34740","title":"Gent Beam Sensor Pair (Transmitter and Receiver) excl bracket and Base (S4-34740)","description":"\u003cp\u003eThe Gent S4-34740 is an addressable projected beam smoke detector supplied as a transmitter and receiver pair. Designed for large open spaces including warehouses, atria, sports halls and industrial premises where spot detectors are impractical.\u003c\/p\u003e\u003cp\u003eCompatible with Gent Vigilon and Compact Plus addressable fire alarm systems. Brackets and base sold separately.\u003c\/p\u003e\u003cp\u003eGenuine Gent component. Typically dispatched within 3–5 working days. Call 020 8861 2466 to check current stock and lead time before ordering.\u003c\/p\u003e","brand":"Gent","offers":[{"title":"Default Title","offer_id":52800382501211,"sku":"S4-34740","price":599.4,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/files\/FAW-S4-34740.jpg?v=1790004312"},{"product_id":"gent-duct-housing-inc-s-quad-base-and-06m-tube-s4-34760","title":"Gent Duct Housing (Inc S Quad BASE AND 0.6M TUBE) (S4-34760)","description":"\u003cp\u003eThe Gent S4-34760 is a duct detector housing for use with Gent S-Quad addressable detectors. Supplied complete with S-Quad base and a 0.6m sampling tube. Designed to monitor air flow within air handling ducts and HVAC systems for early smoke detection.\u003c\/p\u003e\u003cp\u003eThe duct housing draws a sample of duct air across the detector head. When smoke is detected, the system raises an alarm. Compatible with all Gent S-Quad S4 series detectors. Suitable for installation in supply and return air ducts.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSupplied with S-Quad base and 0.6m sampling tube\u003c\/li\u003e\n\u003cli\u003eCompatible with all Gent S4 S-Quad detector heads\u003c\/li\u003e\n\u003cli\u003eFor use with Gent Vigilon and Compact Plus fire alarm systems\u003c\/li\u003e\n\u003cli\u003eSuitable for HVAC and air handling duct applications\u003c\/li\u003e\n\u003cli\u003eGenuine Gent part\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eTypically dispatched within 3–5 working days. Call 020 8861 2466 to check current stock and lead time before ordering.\u003c\/p\u003e","brand":"Gent","offers":[{"title":"Default Title","offer_id":52800388661595,"sku":"S4-34760","price":508.14,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/files\/FAW-S4-34760.jpg?v=1790004313"},{"product_id":"gent-optical-smoke-detector-800371","title":"Gent Optical Smoke Detector (800371)","description":"\u003cp\u003eThe Gent 800371 is a conventional optical smoke detector for use with Gent ES series conventional fire alarm systems. Provides reliable early warning smoke detection in commercial buildings using optical detection technology.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDetector head only — base not included.\u003c\/strong\u003e Requires the \u003ca href=\"\/products\/gent-detector-base-can-be-used-for-es-conventional-and-intrinsically-safe-detection-805590\"\u003eGent 805590 ES detector base\u003c\/a\u003e (or the \u003ca href=\"\/products\/gent-detector-base-with-diode-805590-d\"\u003e805590-D base with diode\u003c\/a\u003e), sold separately. For use with conventional (non-addressable) fire alarm panels only.\u003c\/p\u003e\u003cp\u003eGenuine Gent component. Typically dispatched within 3–5 working days. Call 020 8861 2466 to check current stock and lead time before ordering.\u003c\/p\u003e","brand":"Gent","offers":[{"title":"Default Title","offer_id":52800390594907,"sku":"800371","price":18.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/files\/FAW-800371.jpg?v=1790004310"},{"product_id":"gent-fixed-heat-detector-800171","title":"Gent Fixed Heat Detector (800171)","description":"\u003cp\u003eThe Gent 800171 is a conventional fixed temperature heat detector for use with Gent ES series conventional fire alarm systems. Suitable for areas where smoke detection is inappropriate such as kitchens and boiler rooms.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDetector head only — base not included.\u003c\/strong\u003e Requires the \u003ca href=\"\/products\/gent-detector-base-can-be-used-for-es-conventional-and-intrinsically-safe-detection-805590\"\u003eGent 805590 ES detector base\u003c\/a\u003e (or the \u003ca href=\"\/products\/gent-detector-base-with-diode-805590-d\"\u003e805590-D base with diode\u003c\/a\u003e), sold separately. For use with conventional (non-addressable) fire alarm panels only.\u003c\/p\u003e\u003cp\u003eGenuine Gent component. Typically dispatched within 3–5 working days. Call 020 8861 2466 to check current stock and lead time before ordering.\u003c\/p\u003e","brand":"Gent","offers":[{"title":"Default Title","offer_id":52800390660443,"sku":"800171","price":18.47,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/files\/FAW-800171.jpg?v=1790004310"},{"product_id":"gent-fixed-heat-detector-class-b-800177","title":"Gent Fixed Heat Detector Class B (800177)","description":"\u003cp\u003eThe Gent 800177 is a conventional Class B fixed temperature heat detector for use with Gent ES series conventional fire alarm systems. Class B rating provides enhanced sensitivity for earlier heat detection response.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDetector head only — base not included.\u003c\/strong\u003e Requires the \u003ca href=\"\/products\/gent-detector-base-can-be-used-for-es-conventional-and-intrinsically-safe-detection-805590\"\u003eGent 805590 ES detector base\u003c\/a\u003e (or the \u003ca href=\"\/products\/gent-detector-base-with-diode-805590-d\"\u003e805590-D base with diode\u003c\/a\u003e), sold separately. For use with conventional (non-addressable) fire alarm panels only.\u003c\/p\u003e\u003cp\u003eGenuine Gent component. Typically dispatched within 3–5 working days. Call 020 8861 2466 to check current stock and lead time before ordering.\u003c\/p\u003e","brand":"Gent","offers":[{"title":"Default Title","offer_id":52800390824283,"sku":"800177","price":28.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/files\/FAW-800177.jpg?v=1790004310"},{"product_id":"gent-rate-of-rise-heat-detector-800271","title":"Gent Rate of Rise Heat Detector (800271)","description":"\u003cp\u003eThe Gent 800271 is a conventional rate of rise heat detector for use with Gent ES series conventional fire alarm systems. Responds to rapidly increasing temperatures as well as fixed temperature thresholds, providing early warning of fast-developing fires.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDetector head only — base not included.\u003c\/strong\u003e Requires the \u003ca href=\"\/products\/gent-detector-base-can-be-used-for-es-conventional-and-intrinsically-safe-detection-805590\"\u003eGent 805590 ES detector base\u003c\/a\u003e (or the \u003ca href=\"\/products\/gent-detector-base-with-diode-805590-d\"\u003e805590-D base with diode\u003c\/a\u003e), sold separately. For use with conventional (non-addressable) fire alarm panels only.\u003c\/p\u003e\u003cp\u003eGenuine Gent component. Typically dispatched within 3–5 working days. Call 020 8861 2466 to check current stock and lead time before ordering.\u003c\/p\u003e","brand":"Gent","offers":[{"title":"Default Title","offer_id":52800390922587,"sku":"800271","price":19.01,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/files\/FAW-800271.jpg?v=1790004311"},{"product_id":"notifier-addressable-optical-detector-and-base-bundle-50-pack-nfxi-bundle","title":"Notifier Addressable Optical Detector and Base Bundle 50 Pack (NFXI-BUNDLE)","description":"\u003cp\u003eThe Notifier NFXI-BUNDLE is a value bundle containing 50 x B501AP addressable detector bases and 50 x NFXI-OPT Opal optical smoke detectors. Ideal for new installations or large refurbishment projects requiring multiple detectors and bases.\u003c\/p\u003e\u003cp\u003eCompatible with Notifier addressable fire alarm systems. Not compatible with conventional devices.\u003c\/p\u003e\u003cp\u003eGenuine Notifier components. Typically dispatched within 3–5 working days. Call 020 8861 2466 to check current stock and lead time before ordering.\u003c\/p\u003e","brand":"Notifier","offers":[{"title":"Default Title","offer_id":52957504176475,"sku":"NFXI-BUNDLE","price":1552.64,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/files\/FAW-NFXI-BUNDLE.jpg?v=1790068749"},{"product_id":"notifier-opal-addressable-optical-smoke-detector-with-isolator-nfxi-opt","title":"Notifier Opal Addressable Optical Smoke Detector with Isolator (NFXI-OPT)","description":"\u003cp\u003eThe Notifier NFXI-OPT is an addressable optical (photoelectric) smoke detector with a built-in short-circuit isolator, for Notifier panels using the Opal or CLIP protocol. Detector head only. The B501AP base is sold separately.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAnalogue detection with signal-processing algorithms, suited to slow-developing fires with visible smoke\u003c\/li\u003e\n\u003cli\u003eManual and automatic test functions\u003c\/li\u003e\n\u003cli\u003eRotary decadic addressing, 01 to 159\u003c\/li\u003e\n\u003cli\u003eTwo LEDs for alarm indication, tricolour (red, green, amber) with Opal, plus a remote indicator output\u003c\/li\u003e\n\u003cli\u003eBuilt-in isolator\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNFXI-OPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNotifier by Honeywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtocols\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOpal (159 + 159) and CLIP (99 + 99)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApprovals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEN54-7 and EN54-17\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIngress protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP40 when fitted to the B501AP base\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e51 mm on the B501AP base\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBase\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSold separately: \u003ca href=\"\/products\/system-sensor-analogue-addressable-detector-base-with-sems-screw-connections-white-b501ap\"\u003eB501AP base\u003c\/a\u003e (white)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eGenuine parts, trade supply\u003c\/h3\u003e\u003cp\u003eSupplied new and genuine through our Honeywell-authorised Notifier distribution, not grey-market or used stock. Using genuine, approved devices helps keep your system's EN54 approval and BS 5839-1 servicing regime valid.\u003c\/p\u003e\u003ch3\u003eAvailability\u003c\/h3\u003e\u003cp\u003ePlease confirm stock and lead time before ordering. Stocked lines dispatch same day when ordered before 2pm; other lines typically ship in 3 to 5 working days. Prices exclude VAT. For bulk quantities or trade pricing call 020 8861 2466 or email \u003ca href=\"mailto:sales@firealarmwarehouse.co.uk\"\u003esales@firealarmwarehouse.co.uk\u003c\/a\u003e.\u003c\/p\u003e","brand":"Notifier","offers":[{"title":"Default Title","offer_id":52957504242011,"sku":"NFXI-OPT","price":34.02,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/files\/FAW-NFXI-OPT.jpg?v=1790068749"},{"product_id":"notifier-opal-addressable-optical-heat-and-flame-multi-sensor-detector-with-isolator-nfxi-smt3","title":"Notifier Opal Addressable Optical Heat and Flame Multi-Sensor Detector with Isolator (NFXI-SMT3)","description":"\u003cp\u003eThe Notifier NFXI-SMT3 is the Opal addressable multi-sensor detector combining optical smoke, heat and infra-red flame sensing with integral isolator. Provides advanced multi-criteria fire detection to reduce false alarms in challenging environments.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDetector head only — base not included.\u003c\/strong\u003e Requires the \u003ca href=\"\/products\/system-sensor-analogue-addressable-detector-base-with-sems-screw-connections-white-b501ap\"\u003eB501AP addressable base\u003c\/a\u003e, sold separately.\u003c\/p\u003e\u003cp\u003eCompatible with Notifier addressable fire alarm panels. Not compatible with conventional systems.\u003c\/p\u003e\u003cp\u003eGenuine Notifier component. Typically dispatched within 3–5 working days. Call 020 8861 2466 to check current stock and lead time before ordering.\u003c\/p\u003e","brand":"Notifier","offers":[{"title":"Default Title","offer_id":52957504274779,"sku":"NFXI-SMT3","price":61.56,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/files\/FAW-NFXI-SMT3.jpg?v=1790068749"},{"product_id":"notifier-opal-addressable-fixed-heat-detector-58-degrees-with-isolator-nfxi-tfix58","title":"Notifier Opal Addressable Fixed Heat Detector 58 Degrees with Isolator (NFXI-TFIX58)","description":"\u003cp\u003eThe Notifier NFXI-TFIX58 is the Opal addressable fixed temperature heat detector with integral isolator. Activates at a fixed threshold of 58 degrees C, making it suitable for kitchens, boiler rooms and other areas where smoke detectors are inappropriate.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDetector head only — base not included.\u003c\/strong\u003e Requires the \u003ca href=\"\/products\/system-sensor-analogue-addressable-detector-base-with-sems-screw-connections-white-b501ap\"\u003eB501AP addressable base\u003c\/a\u003e, sold separately.\u003c\/p\u003e\u003cp\u003eCompatible with Notifier addressable fire alarm panels. Not compatible with conventional systems.\u003c\/p\u003e\u003cp\u003eGenuine Notifier component. Typically dispatched within 3–5 working days. Call 020 8861 2466 to check current stock and lead time before ordering.\u003c\/p\u003e","brand":"Notifier","offers":[{"title":"Default Title","offer_id":52957504307547,"sku":"NFXI-TFIX58","price":40.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/files\/FAW-NFXI-TFIX58.jpg?v=1790068748"},{"product_id":"notifier-opal-addressable-rate-of-rise-and-fixed-heat-detector-a1r-with-isolator-nfxi-tdiff","title":"Notifier Opal Addressable Rate of Rise and Fixed Heat Detector A1R with Isolator (NFXI-TDIFF)","description":"\u003cp\u003eThe Notifier NFXI-TDIFF is the Opal addressable A1R rate of rise and fixed temperature heat detector with integral isolator. Responds to both rapidly rising temperatures and a fixed threshold of 58 degrees C, providing early warning of fast-developing fires.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDetector head only — base not included.\u003c\/strong\u003e Requires the \u003ca href=\"\/products\/system-sensor-analogue-addressable-detector-base-with-sems-screw-connections-white-b501ap\"\u003eB501AP addressable base\u003c\/a\u003e, sold separately.\u003c\/p\u003e\u003cp\u003eCompatible with Notifier addressable fire alarm panels. Not compatible with conventional systems.\u003c\/p\u003e\u003cp\u003eGenuine Notifier component. Typically dispatched within 3–5 working days. Call 020 8861 2466 to check current stock and lead time before ordering.\u003c\/p\u003e","brand":"Notifier","offers":[{"title":"Default Title","offer_id":52957504340315,"sku":"NFXI-TDIFF","price":38.34,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/files\/FAW-NFXI-TDIFF.jpg?v=1790068749"},{"product_id":"notifier-opal-addressable-optical-heat-multi-sensor-detector-black-with-isolator-nfxi-smt2-bk","title":"Notifier Opal Addressable Optical Heat Multi-Sensor Detector Black with Isolator (NFXI-SMT2-BK)","description":"\u003cp\u003eThe Notifier NFXI-SMT2-BK is the Opal addressable optical smoke and heat multi-sensor detector in black finish with integral isolator. Designed for prestige environments where standard white detectors are not preferred aesthetically.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDetector head only — base not included.\u003c\/strong\u003e Requires the \u003ca href=\"\/products\/system-sensor-analogue-addressable-detector-base-with-sems-screw-connections-white-b501ap\"\u003eB501AP addressable base\u003c\/a\u003e, sold separately.\u003c\/p\u003e\u003cp\u003eCompatible with Notifier addressable fire alarm panels. Not compatible with conventional systems.\u003c\/p\u003e\u003cp\u003eGenuine Notifier component. Typically dispatched within 3–5 working days. Call 020 8861 2466 to check current stock and lead time before ordering.\u003c\/p\u003e","brand":"Notifier","offers":[{"title":"Default Title","offer_id":52957504438619,"sku":"NFXI-SMT2-BK","price":73.98,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/files\/FAW-NFXI-SMT2-BK.jpg?v=1790068748"},{"product_id":"notifier-addressable-duct-detector-housing-with-b501ap-base-dnre","title":"Notifier Addressable Duct Detector Housing with B501AP Base (DNRE)","description":"\u003cp\u003eThe Notifier DNRE is an addressable duct detector housing supplied complete with a B501AP addressable base. Designed for installation in HVAC ductwork to provide air duct smoke detection. Requires DSTXX duct sampling tube and a compatible detector, both sold separately.\u003c\/p\u003e\u003cp\u003eCompatible with Notifier addressable fire alarm systems. Not compatible with conventional systems.\u003c\/p\u003e\u003cp\u003eGenuine Notifier component. Typically dispatched within 3–5 working days. Call 020 8861 2466 to check current stock and lead time before ordering.\u003c\/p\u003e","brand":"Notifier","offers":[{"title":"Default Title","offer_id":52957504700763,"sku":"DNRE","price":157.68,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/files\/FAW-DNRE.jpg?v=1790068749"},{"product_id":"system-sensor-low-profile-analogue-addressable-optical-smoke-detector-no-isolator-white-22051e-26","title":"System Sensor Low Profile Analogue Addressable Optical Smoke Detector, No Isolator, White (22051E-26)","description":"\u003cp\u003eThe System Sensor 22051E-26 is a low profile analogue addressable optical smoke detector in white, supplied without an integral isolator. Provides reliable early warning of slow smouldering fires.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDetector head only — base not included.\u003c\/strong\u003e Requires the \u003ca href=\"\/products\/system-sensor-analogue-addressable-detector-base-with-sems-screw-connections-white-b501ap\"\u003eB501AP addressable base\u003c\/a\u003e, sold separately.\u003c\/p\u003e\u003cp\u003eCompatible with addressable panels running the System Sensor protocol.\u003c\/p\u003e\u003cp\u003eGenuine System Sensor component. Typically dispatched within 3–5 working days. Call 020 8861 2466 to check current stock and lead time before ordering.\u003c\/p\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":54134011298139,"sku":"22051E-26","price":27.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/files\/22051E-26.jpg?v=1790001971"},{"product_id":"system-sensor-low-profile-analogue-addressable-optical-smoke-detector-with-isolator-white-22051ei-26","title":"System Sensor Low Profile Analogue Addressable Optical Smoke Detector with Isolator, White (22051EI-26)","description":"\u003cp\u003eThe System Sensor 22051EI-26 is a low profile analogue addressable optical smoke detector in white with an integral isolator, which maintains loop integrity in the event of a short circuit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDetector head only — base not included.\u003c\/strong\u003e Requires the \u003ca href=\"\/products\/system-sensor-analogue-addressable-detector-base-with-sems-screw-connections-white-b501ap\"\u003eB501AP addressable base\u003c\/a\u003e, sold separately.\u003c\/p\u003e\u003cp\u003eCompatible with addressable panels running the System Sensor protocol.\u003c\/p\u003e\u003cp\u003eGenuine System Sensor component. Typically dispatched within 3–5 working days. Call 020 8861 2466 to check current stock and lead time before ordering.\u003c\/p\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":54134011330907,"sku":"22051EI-26","price":30.16,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/files\/22051EI-26.jpg?v=1790001972"},{"product_id":"system-sensor-analogue-addressable-optical-smoke-and-heat-multi-sensor-detector-no-isolator-white-22051te-26","title":"System Sensor Analogue Addressable Optical Smoke and Heat Multi-Sensor Detector, No Isolator, White (22051TE-26)","description":"\u003cp\u003eThe System Sensor 22051TE-26 is an analogue addressable multi-sensor detector combining optical smoke and thermal sensing in a single white housing, supplied without an integral isolator. Multi-sensor detection reduces unwanted alarms in areas prone to steam, dust or cooking fumes.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDetector head only — base not included.\u003c\/strong\u003e Requires the \u003ca href=\"\/products\/system-sensor-analogue-addressable-detector-base-with-sems-screw-connections-white-b501ap\"\u003eB501AP addressable base\u003c\/a\u003e, sold separately.\u003c\/p\u003e\u003cp\u003eCompatible with addressable panels running the System Sensor protocol.\u003c\/p\u003e\u003cp\u003eGenuine System Sensor component. Typically dispatched within 3–5 working days. Call 020 8861 2466 to check current stock and lead time before ordering.\u003c\/p\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":54134011396443,"sku":"22051TE-26","price":35.36,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/files\/22051TE-26.jpg?v=1790001972"},{"product_id":"system-sensor-analogue-addressable-optical-smoke-and-heat-multi-sensor-detector-with-isolator-white-22051tei-26","title":"System Sensor Analogue Addressable Optical Smoke and Heat Multi-Sensor Detector with Isolator, White (22051TEI-26)","description":"\u003cp\u003eThe System Sensor 22051TEI-26 is an analogue addressable multi-sensor detector combining optical smoke and thermal sensing in a single white housing, with an integral isolator. Multi-sensor detection reduces unwanted alarms in areas prone to steam, dust or cooking fumes.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDetector head only — base not included.\u003c\/strong\u003e Requires the \u003ca href=\"\/products\/system-sensor-analogue-addressable-detector-base-with-sems-screw-connections-white-b501ap\"\u003eB501AP addressable base\u003c\/a\u003e, sold separately.\u003c\/p\u003e\u003cp\u003eCompatible with addressable panels running the System Sensor protocol.\u003c\/p\u003e\u003cp\u003eGenuine System Sensor component. Typically dispatched within 3–5 working days. Call 020 8861 2466 to check current stock and lead time before ordering.\u003c\/p\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":54134011429211,"sku":"22051TEI-26","price":34.32,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/files\/22051TEI-26.jpg?v=1790001972"},{"product_id":"system-sensor-analogue-addressable-optical-smoke-heat-and-infra-red-multi-sensor-detector-no-isolator-white-22051tle-26","title":"System Sensor Analogue Addressable Optical Smoke, Heat and Infra-Red Multi-Sensor Detector, No Isolator, White (22051TLE-26)","description":"\u003cp\u003eThe System Sensor 22051TLE-26 is an analogue addressable multi-sensor detector combining optical smoke, thermal and infra-red sensing in a single white housing, supplied without an integral isolator. The infra-red element adds fast response to flaming fires.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDetector head only — base not included.\u003c\/strong\u003e Requires the \u003ca href=\"\/products\/system-sensor-analogue-addressable-detector-base-with-sems-screw-connections-white-b501ap\"\u003eB501AP addressable base\u003c\/a\u003e, sold separately.\u003c\/p\u003e\u003cp\u003eCompatible with addressable panels running the System Sensor protocol.\u003c\/p\u003e\u003cp\u003eGenuine System Sensor component. Typically dispatched within 3–5 working days. Call 020 8861 2466 to check current stock and lead time before ordering.\u003c\/p\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":54134011461979,"sku":"22051TLE-26","price":62.4,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/files\/22051TLE-26.jpg?v=1790001972"},{"product_id":"system-sensor-analogue-addressable-optical-smoke-heat-and-infra-red-multi-sensor-detector-with-isolator-white-22051tlei-26","title":"System Sensor Analogue Addressable Optical Smoke, Heat and Infra-Red Multi-Sensor Detector with Isolator, White (22051TLEI-26)","description":"\u003cp\u003eThe System Sensor 22051TLEI-26 is an analogue addressable multi-sensor detector combining optical smoke, thermal and infra-red sensing in a single white housing, with an integral isolator. The infra-red element adds fast response to flaming fires.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDetector head only — base not included.\u003c\/strong\u003e Requires the \u003ca href=\"\/products\/system-sensor-analogue-addressable-detector-base-with-sems-screw-connections-white-b501ap\"\u003eB501AP addressable base\u003c\/a\u003e, sold separately.\u003c\/p\u003e\u003cp\u003eCompatible with addressable panels running the System Sensor protocol.\u003c\/p\u003e\u003cp\u003eGenuine System Sensor component. Typically dispatched within 3–5 working days. Call 020 8861 2466 to check current stock and lead time before ordering.\u003c\/p\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":54134013952347,"sku":"22051TLEI-26","price":75.4,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/files\/22051TLEI-26.jpg?v=1790001973"},{"product_id":"system-sensor-analogue-addressable-heat-detector-58-degrees-a1r-no-isolator-white-52051e-26","title":"System Sensor Analogue Addressable Heat Detector 58 Degrees A1R, No Isolator, White (52051E-26)","description":"\u003cp\u003eThe System Sensor 52051E-26 is an analogue addressable heat detector in white, rated at 58 degrees C and classified type A1R, supplied without an integral isolator. Suitable for areas where smoke detection would cause unwanted alarms, such as kitchens, plant rooms and loading bays.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDetector head only — base not included.\u003c\/strong\u003e Requires the \u003ca href=\"\/products\/system-sensor-analogue-addressable-detector-base-with-sems-screw-connections-white-b501ap\"\u003eB501AP addressable base\u003c\/a\u003e, sold separately.\u003c\/p\u003e\u003cp\u003eCompatible with addressable panels running the System Sensor protocol.\u003c\/p\u003e\u003cp\u003eGenuine System Sensor component. Typically dispatched within 3–5 working days. Call 020 8861 2466 to check current stock and lead time before ordering.\u003c\/p\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":54134014181723,"sku":"52051E-26","price":28.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/files\/52051E-26.jpg?v=1790001972"},{"product_id":"system-sensor-analogue-addressable-rate-of-rise-and-fixed-heat-detector-58-degrees-a1r-with-isolator-white-52051ei-26","title":"System Sensor Analogue Addressable Rate of Rise and Fixed Heat Detector 58 Degrees A1R with Isolator, White (52051EI-26)","description":"\u003cp\u003eThe System Sensor 52051EI-26 is an analogue addressable rate of rise and fixed temperature heat detector in white, rated at 58 degrees C and classified type A1R, with an integral isolator. Responds both to a rapid rise in temperature and to a fixed threshold.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDetector head only — base not included.\u003c\/strong\u003e Requires the \u003ca href=\"\/products\/system-sensor-analogue-addressable-detector-base-with-sems-screw-connections-white-b501ap\"\u003eB501AP addressable base\u003c\/a\u003e, sold separately.\u003c\/p\u003e\u003cp\u003eCompatible with addressable panels running the System Sensor protocol.\u003c\/p\u003e\u003cp\u003eGenuine System Sensor component. Typically dispatched within 3–5 working days. Call 020 8861 2466 to check current stock and lead time before ordering.\u003c\/p\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":54134014214491,"sku":"52051EI-26","price":33.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/files\/52051EI-26.jpg?v=1790001972"},{"product_id":"system-sensor-analogue-addressable-high-temperature-heat-detector-78-degrees-type-bs-no-isolator-white-52051hte-26","title":"System Sensor Analogue Addressable High Temperature Heat Detector 78 Degrees Type BS, No Isolator, White (52051HTE-26)","description":"\u003cp\u003eThe System Sensor 52051HTE-26 is an analogue addressable high temperature heat detector in white, rated at 78 degrees C and classified type BS, supplied without an integral isolator. The higher threshold suits boiler rooms, drying areas and other locations with high ambient temperatures.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDetector head only — base not included.\u003c\/strong\u003e Requires the \u003ca href=\"\/products\/system-sensor-analogue-addressable-detector-base-with-sems-screw-connections-white-b501ap\"\u003eB501AP addressable base\u003c\/a\u003e, sold separately.\u003c\/p\u003e\u003cp\u003eCompatible with addressable panels running the System Sensor protocol.\u003c\/p\u003e\u003cp\u003eGenuine System Sensor component. Typically dispatched within 3–5 working days. Call 020 8861 2466 to check current stock and lead time before ordering.\u003c\/p\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":54134014247259,"sku":"52051HTE-26","price":40.04,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/files\/52051HTE-26.jpg?v=1790001972"},{"product_id":"system-sensor-analogue-addressable-rate-of-rise-and-fixed-heat-detector-58-degrees-a1r-no-isolator-white-52051re-26","title":"System Sensor Analogue Addressable Rate of Rise and Fixed Heat Detector 58 Degrees A1R, No Isolator, White (52051RE-26)","description":"\u003cp\u003eThe System Sensor 52051RE-26 is an analogue addressable rate of rise and fixed temperature heat detector in white, rated at 58 degrees C and classified type A1R, supplied without an integral isolator. Responds both to a rapid rise in temperature and to a fixed threshold.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDetector head only — base not included.\u003c\/strong\u003e Requires the \u003ca href=\"\/products\/system-sensor-analogue-addressable-detector-base-with-sems-screw-connections-white-b501ap\"\u003eB501AP addressable base\u003c\/a\u003e, sold separately.\u003c\/p\u003e\u003cp\u003eCompatible with addressable panels running the System Sensor protocol.\u003c\/p\u003e\u003cp\u003eGenuine System Sensor component. Typically dispatched within 3–5 working days. Call 020 8861 2466 to check current stock and lead time before ordering.\u003c\/p\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":54134014280027,"sku":"52051RE-26","price":30.16,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/files\/52051RE-26.jpg?v=1790001972"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/4406\/3579\/collections\/photo-1627257062083-0b09fafdeed5.jpg?v=1789332267","url":"https:\/\/www.firealarmwarehouse.co.uk\/collections\/fire-alarm-detectors.oembed?page=2","provider":"Fire Alarm Warehouse","version":"1.0","type":"link"}