Gent S4 Dual Optical Heat Sensor Sounder (S4-771-S)

The 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.

Detector head only — base not included. Requires the Gent S4-700 common S-Quad base, sold separately.

Reduces loop device count in areas needing detection and audible alarm.

Genuine Gent component. Typically dispatched within 3–5 working days. Call 020 8861 2466 to check current stock and lead time before ordering.