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Collection: Environmental Sensors

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Ball Valves (2 products)
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HVAC Controls (6 products)
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Security System Sensors (45 products)
Sensor & Alert Systems (21 products)
Smoke & Carbon Monoxide Detectors (2 products)
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98 products

Honeywell Home FP280 Wireless Flood Probe Sensor, White

Honeywell Home FP280 Wireless Flood Probe Sensor, White

Regular price $37.98

Regular price Sale price $37.98
Honeywell Ademco 5821 Wireless Temperature Leak Sensor Flood Detector

Honeywell Ademco 5821 Wireless Temperature Leak Sensor Flood Detector

Regular price $31.25

Regular price Sale price $31.25
Honeywell Home C7189R1004/U Wireless Temperature and Humidity Sensor, RedLINK Enabled

Honeywell Home C7189R1004/U Wireless Temperature and Humidity Sensor, RedLINK Enabled

Regular price $38.38

Regular price Sale price $38.38
Honeywell 5822T Wireless Garage Tilt Sensor, Black

Honeywell 5822T Wireless Garage Tilt Sensor, Black

Regular price $52.90

Regular price Sale price $52.90
Honeywell Home PROSIXFLOOD ProSeries SiX Wireless Flood Detector

Honeywell Home PROSIXFLOOD ProSeries SiX Wireless Flood Detector

Regular price $42.86

Regular price Sale price $42.86
WaterBug Water Sensor

WaterBug Water Sensor

Regular price $93.96

Regular price Sale price $93.96
Winland Electronics W-S-U Enviroalert Water Presence Standard Surface Sensor; Unsupervised

Winland Electronics W-S-U Enviroalert Water Presence Standard Surface Sensor; Unsupervised

Regular price $39.04

Regular price Sale price $39.04
Honeywell Home T280R Remote Temperature Probe

Honeywell Home T280R Remote Temperature Probe

Regular price $31.24

Regular price Sale price $31.24
alula RE218 Wireless Flood and Temperature Range Sensor (for Honeywell Home)

alula RE218 Wireless Flood and Temperature Range Sensor (for Honeywell Home)

Regular price $59.99

Regular price Sale price $59.99
Potter RTS-O Normally Open Room Temperature Switch

Potter RTS-O Normally Open Room Temperature Switch

Regular price $92.48

Regular price Sale price $92.48
System Sensor 5622 Temperature and Humidity Sensor with Alarm

System Sensor 5622 Temperature and Humidity Sensor with Alarm

Regular price $41.71

Regular price Sale price $41.71
Honeywell Home 470PB External Water Probe

Honeywell Home 470PB External Water Probe

Regular price $27.49

Regular price Sale price $27.49
Potter EVD-M Electronic Vibration Detection Controller

Potter EVD-M Electronic Vibration Detection Controller

Regular price $444.71

Regular price Sale price $444.71
GRI T8800R Temperature Sensor, Form Relay Output with Remote Probe Only

GRI T8800R Temperature Sensor, Form Relay Output with Remote Probe Only

Regular price $126.14

Regular price Sale price $126.14
Qolsys IQWV908-KIT-PG Power-G IQ Water Valve, 3-Piece Kit, (1) IQ Water Valve QZ2160-840, (2) Flood PG9985

Qolsys IQWV908-KIT-PG Power-G IQ Water Valve, 3-Piece Kit, (1) IQ Water Valve QZ2160-840, (2) Flood PG9985

Regular price $358.80

Regular price Sale price $358.80
Winland M-001-0151 MTA-2 Mechanical Temperature Alert with Dual High and Low Output

Winland M-001-0151 MTA-2 Mechanical Temperature Alert with Dual High and Low Output

Regular price $112.63

Regular price Sale price $112.63
Cellar Saver CS-1829-C/O Closed or Open Sump Pump Failure Warning Sensor (Replacement for CS-2029W, CS-2029-C/C and CS-2029-O/C)

Cellar Saver CS-1829-C/O Closed or Open Sump Pump Failure Warning Sensor (Replacement for CS-2029W, CS-2029-C/C and CS-2029-O/C)

Regular price $29.09

Regular price Sale price $29.09
Honeywell Home PROSIXTEMP ProSeries Two-Way Wireless Temperature Sensor

Honeywell Home PROSIXTEMP ProSeries Two-Way Wireless Temperature Sensor

Regular price $42.86

Regular price Sale price $42.86
DSC SS-102 Shock Sensor with Pulse Count

DSC SS-102 Shock Sensor with Pulse Count

Regular price $51.26

Regular price Sale price $51.26
DSC PG9985 PowerG Wireless Flood Detector for PowerSeries Neo, PowerSeries Pro and QOLSYS Panels

DSC PG9985 PowerG Wireless Flood Detector for PowerSeries Neo, PowerSeries Pro and QOLSYS Panels

Regular price $72.74

Regular price Sale price $72.74
GRI T8000 Fixed Temperature Sensor, SPST, 48VDC, 0°C, 32°F Max Temperature

GRI T8000 Fixed Temperature Sensor, SPST, 48VDC, 0°C, 32°F Max Temperature

Regular price $59.81

Regular price Sale price $59.81
GRI 4561 Mercury Tilt Sensor Switch

GRI 4561 Mercury Tilt Sensor Switch

Regular price $19.86

Regular price Sale price $19.86
Honeywell Home E302 O2 Cartridge for Toxic and Combustible Gas Detector, -40 to 50C

Special Order

Honeywell Home E302 O2 Cartridge for Toxic and Combustible Gas Detector, -40 to 50C

Regular price $441.73

Regular price Sale price $441.73

Special Order
GRI T8800 Temperature Sensor, Form Relay Output with on Board Sensor Only

GRI T8800 Temperature Sensor, Form Relay Output with on Board Sensor Only

Regular price $128.87

Regular price Sale price $128.87

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