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Launching Spring 2026Trade catalogue onboarding in progress.

Gent by Honeywell

Sentri2

Browse Sentri2 products and parts.
25 productsAll Gent by Honeywell →
Filtered to:S4 Black DetectorsS4 Interfaces & 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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M200E-SMB
Interface Enclosure (Small) Plastic Previously listed as S4-34493

Interface Enclosure (Small) Plastic Previously listed as S4-34493

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£10.41
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S4-34401
Single channel Mains switching interface (c/w enclosure)

Single channel Mains switching interface (c/w enclosure)

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£146.63
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S4-34404
Four channel Mains switching interface (c/w enclosure)

Four channel Mains switching interface (c/w enclosure)

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£232.30
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S4-34410

Single Channel Interface, LV Input only (no enclosure)

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£55.78
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S4-34411
Single Channel (output only) Interface c/w Relay - DIN Mounting

Single Channel (output only) Interface c/w Relay - DIN Mounting

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£106.38
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S4-34412

12 input Interface module (supervisory inputs only)

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£155.25
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S4-34415
Single Channel (output only) Interface c/w Relay and Enclosure

Single Channel (output only) Interface c/w Relay and Enclosure

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£104.65
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S4-34418
Key switch Interface (Single Channel) c\w blue Enclosure

Key switch Interface (Single Channel) c\w blue Enclosure

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£100.63
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S4-34420
LV Interface 1 Output & 1 Input (no enclosure)

LV Interface 1 Output & 1 Input (no enclosure)

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£49.45
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S4-34440-02

Mains Powered Interface - max o/p power 1.5A. Batteries not included - requires 2 x 4015-502-YFR (Power Sonic Flame Retardant 12V 2.1Ah) to meet compliance regulations.

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£443.90
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S4-34440-12

Mains Powered Interface - max o/p power 2.5A. Batteries not included - requires 2 x 4015-514-YFR (Power Sonic Flame Retardant 12V 12Ah) to meet compliance regulations.

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£555.45
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S4-34450
4 Channel Interface (input/output) (no enclosure)

4 Channel Interface (input/output) (no enclosure)

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£157.55
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S4-34490
Interface Enclosure Large (Plastic)

Interface Enclosure Large (Plastic)

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£44.85
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S4-34491
Pack of 5 DIN Rail Brackets for LV Interface

Pack of 5 DIN Rail Brackets for LV Interface

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£11.67
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S4-34492
Interface Enclosure - Small (metal) with 20mm and 25mm knockout

Interface Enclosure - Small (metal) with 20mm and 25mm knockout

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£23.69
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S4-34496
Interface enclose Plastic houses 6 interfaces

Interface enclose Plastic houses 6 interfaces

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£58.65
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S4-34499
Set of 2 Keys for Key switch Interface & MCP

Set of 2 Keys for Key switch Interface & MCP

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£27.77
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VSINTM-PCB02

Spare PCB for S4 Mains Powered Interface - 1.5A (S4-34440-02)

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£425.50
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VSINTM-PCB12

Spare PCB for S4 Mains Powered Interface - 2.5A (S4-34440-12)

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£564.65
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VSINTSC-PCB01

Spare PCB for S4 Single channel Mains Switching I/F (S4-34401)

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£131.68
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VSINTSC-PCB04

Spare PCB for S4 Four channel Mains Switching I/F (S4-34404)

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£201.25
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