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Launching Spring 2026Trade catalogue onboarding in progress.

Gent by Honeywell

S4 Self Test Detectors

Browse S4 Self Test Detectors products and parts.
5 productsAll Gent by Honeywell →
Filtered to:Programmable BaseBasesVoice Alarmclear all
S3 red Shallow base (pack of 5)
S3-BASE-SR
S3 red Shallow base (pack of 5)
£29.44
S3 White Shallow base (pack of 5)
S3-BASE-SW
S3 White Shallow base (pack of 5)
£29.44
Gasket kit for S3 deep base - increases particle ingress from IP21 to IP55 (Pack of 10)
S3-GASKET-IP55
Gasket kit for S3 deep base - increases particle ingress from IP21 to IP55 (Pack of 10)
£92.58
Programmer Base for S4/T/M and S3 Voice Sounders
S4T-BASE-PROGRAM
Programmer Base for S4/T/M and S3 Voice Sounders
£212.18
Bespoke Messages Male only or Female only (Contact us)
CustomMessage
Bespoke Messages Male only or Female only (Contact us)
£0.00