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Launching Spring 2026Trade catalogue onboarding in progress.

Gent by Honeywell

Sentri2

Browse Sentri2 products and parts.
8 productsAll Gent by Honeywell →
Filtered to:S4 Black DetectorsS4 Duct & Accessoriesclear all
S4BK-711

S4 Black Dual Optical Heat Sensor

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£100.63
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S4BK-711-V
S4 Black Dual Optical Heat Sensor Voice Sounder

S4 Black Dual Optical Heat Sensor Voice Sounder

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£174.23
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S4BK-711-V-VAD-HPR

S4 Black Dual Optical Heat Sensor Voice Sounder High Power red VAD

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£223.10
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S4TB-711-V-VAD-HPR
S4 SELF TEST Black Dual Optical Heat Sensor + Voice Sounder & High Power Red VAD

S4 SELF TEST Black Dual Optical Heat Sensor + Voice Sounder & High Power Red VAD

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£225.98
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S4-34760

Duct Housing (Inc S Quad BASE AND 0.6M TUBE)

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£541.08
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S4-34760-15
1.5m Venturi Tube

1.5m Venturi Tube

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£130.53
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S4-34760-28
2.8m Venturi Tube

2.8m Venturi Tube

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£150.08
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S4-34760-99

Mounting Bracket

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£130.53
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