Heat Detector System Sensor(23)
Uses item details. Price when purchased online
SITERWELL Smoke Detector, 10 Year Battery ,Photoelectric Sensor, Fire Alarm,Low Battery and Fault Warning for House and Bedroom, UL217-9th Listed, GS525A, 1 Packs From $25.99
Sponsored
From$2599
SITERWELL Smoke Detector, 10 Year Battery ,Photoelectric Sensor, Fire Alarm,Low Battery and Fault Warning for House and Bedroom, UL217-9th Listed, GS525A, 1 Packs
1214.4 out of 5 Stars. 121 reviews
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Room Alert 12S Proactive Environment Monitor – Built-in Temperature Sensor, Supports SSL/TLS, SNMP v3, App Alerts, Made in USA $779.00
Sponsored
$77900
current price $779.00Room Alert 12S Proactive Environment Monitor – Built-in Temperature Sensor, Supports SSL/TLS, SNMP v3, App Alerts, Made in USA
SITERWELL Smoke Detector, Magnetic Fastening Kit, Smoke Alarm, Photoelectric ,Low Battery Warning Function, 1 Pack From $26.09
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From$2609
SITERWELL Smoke Detector, Magnetic Fastening Kit, Smoke Alarm, Photoelectric ,Low Battery Warning Function, 1 Pack
4354.4 out of 5 Stars. 435 reviews
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Driveway Alarm 656ft Wireless Driveway Alarm Outdoor Weather Resistant Motion Sensor-DIY Security Alert-Monitor with 38 Chimes for Indoor Outdoor Use $25.99
Sponsored
$2599
current price $25.99Driveway Alarm 656ft Wireless Driveway Alarm Outdoor Weather Resistant Motion Sensor-DIY Security Alert-Monitor with 38 Chimes for Indoor Outdoor Use
893.8 out of 5 Stars. 89 reviews
Estrotect Heat Detector w/Bullseye $79.99
$7999
current price $79.99Estrotect Heat Detector w/Bullseye
15 out of 5 Stars. 1 reviews
Rate of Rise / Fixed Temperature Heat Sensor $97.62 Was $112.57
Now$9762
current price Now $97.62, Was $112.57$112.57
Rate of Rise / Fixed Temperature Heat Sensor
Elk Wireless Heat Rate of Rise $116.01
$11601
current price $116.01Elk Wireless Heat Rate of Rise
HEAT DETECTOR BL PK50 $78.52 Was $92.99
Now$7852
current price Now $78.52, Was $92.99$92.99
HEAT DETECTOR BL PK50
SensorPush HT1 Smart Temperature Sensor & Humidity Sensor - Thermometer & Hygrometer w/App Monitoring - Indoor/Outdoor Temperature and Humidity Monitor w/Heat Index for RV, Fridge & More $54.95
$5495
current price $54.95SensorPush HT1 Smart Temperature Sensor & Humidity Sensor - Thermometer & Hygrometer w/App Monitoring - Indoor/Outdoor Temperature and Humidity Monitor w/Heat Index for RV, Fridge & More
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SensorPush HT.w Smart Temperature Sensor & Humidity Sensor - Thermometer & Hygrometer w/App Monitoring - Water Resistant Temperature and Humidity Monitor w/Heat Index for RV, Fridge & More $69.99
$6999
current price $69.99SensorPush HT.w Smart Temperature Sensor & Humidity Sensor - Thermometer & Hygrometer w/App Monitoring - Water Resistant Temperature and Humidity Monitor w/Heat Index for RV, Fridge & More
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Best seller 1/2 Mile Long Range Solar Wireless Driveway Alarm System IP65 Weatherproof Outdoor Motion Detectors&Sensor 120dB Siren Sound Light Security Alert System Monitor&Protect Outdoor/Indoor Property(1R2S) From $29.99
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From$2999
1/2 Mile Long Range Solar Wireless Driveway Alarm System IP65 Weatherproof Outdoor Motion Detectors&Sensor 120dB Siren Sound Light Security Alert System Monitor&Protect Outdoor/Indoor Property(1R2S)
714.5 out of 5 Stars. 71 reviews
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Hosmart HY001-1R+1S, 30ft Rechargeable Household Sensor & Alarm $42.99
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$4299
current price $42.99Hosmart HY001-1R+1S, 30ft Rechargeable Household Sensor & Alarm
74.3 out of 5 Stars. 7 reviews
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SITERWELL Smoke Detector, Magnetic Fastening Kit, Smoke Alarm, Photoelectric ,Low Battery Warning Function, 1 Pack From $26.09
9 options
Available in additional 9 optionsFrom$2609
SITERWELL Smoke Detector, Magnetic Fastening Kit, Smoke Alarm, Photoelectric ,Low Battery Warning Function, 1 Pack
4354.4 out of 5 Stars. 435 reviews
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Reduced price Supplemental Hosmart Alarm Sensor (1 Sensor ) $31.49 Was $34.99
Now$3149
current price Now $31.49, Was $34.99$34.99
Supplemental Hosmart Alarm Sensor (1 Sensor )
73 out of 5 Stars. 7 reviews
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LABELEPH Universal Flame Sensor with Cable for Heater Temperature Control and Safety, 1 Set Flame Detector Replacement $7.88
$788
current price $7.88LABELEPH Universal Flame Sensor with Cable for Heater Temperature Control and Safety, 1 Set Flame Detector Replacement
Room Alert 12S Proactive Environment Monitor Built-in Temperature Sensor, Supports SSL/TLS, SNMP v3, App Alerts, Made in USA $779.00
$77900
current price $779.00Room Alert 12S Proactive Environment Monitor Built-in Temperature Sensor, Supports SSL/TLS, SNMP v3, App Alerts, Made in USA
Detector 9 In 1 BT Air Quality Monitor CO2 Meter Carbon Dioxide Detector Time/Date CO2 TVOC HCHO PM2.5 PM1.0 PM10 Temperature Humidity Detection Support APP Control With Alarm $32.02
$3202
current price $32.02Detector 9 In 1 BT Air Quality Monitor CO2 Meter Carbon Dioxide Detector Time/Date CO2 TVOC HCHO PM2.5 PM1.0 PM10 Temperature Humidity Detection Support APP Control With Alarm
MOHOC Infrared, Black/Gray, One size fits all $899.00
$89900
current price $899.00MOHOC Infrared, Black/Gray, One size fits all
SensorPush HTP.xw Smart Temperature Sensor & Humidity Sensor - Thermometer, Barometer, & Hygrometer w/App Monitoring - Premium Heat Index, Barometric Pressure Gauge, Temperature and Humidity Monitor $89.99
$8999
current price $89.99SensorPush HTP.xw Smart Temperature Sensor & Humidity Sensor - Thermometer, Barometer, & Hygrometer w/App Monitoring - Premium Heat Index, Barometric Pressure Gauge, Temperature and Humidity Monitor
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Flash Deal Fixdono Natural Gas Detector, Digital Sound Warning Gas Detector, Natural Gas Leak Security Detection Detector, Alarm Monitor Plug-in Sensor for Home Kitchen Restaurant Hotel School Warehouse $15.99 Was $27.99
Sponsored
Now$1599
current price Now $15.99, Was $27.99$27.99
Fixdono Natural Gas Detector, Digital Sound Warning Gas Detector, Natural Gas Leak Security Detection Detector, Alarm Monitor Plug-in Sensor for Home Kitchen Restaurant Hotel School Warehouse
2464.3 out of 5 Stars. 246 reviews
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Best seller GasKnight 2.0 Natural Gas Detector, Propane Detector, Natural Gas Leak Detection. Plug-In Gas Leak Alarm W LCD Display $34.99
Sponsored
$3499
current price $34.99GasKnight 2.0 Natural Gas Detector, Propane Detector, Natural Gas Leak Detection. Plug-In Gas Leak Alarm W LCD Display
633.9 out of 5 Stars. 63 reviews
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Best seller Driveway Alarm Wireless, Outdoor Motion Sensor Alarm with Motion Detector, Weatherproof Solar Driveway Alarm, 700 ft Range, 1 Receiver and 1 Sensor, Home Security System, Black $27.99
Sponsored
$2799
current price $27.99Driveway Alarm Wireless, Outdoor Motion Sensor Alarm with Motion Detector, Weatherproof Solar Driveway Alarm, 700 ft Range, 1 Receiver and 1 Sensor, Home Security System, Black
864.2 out of 5 Stars. 86 reviews
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Hosmart Wireless Driveway Alarm 1/2 Mile Range Outdoor Motion Sensor Household Sensors & Alarm From $31.49
Sponsored
From$3149
Hosmart Wireless Driveway Alarm 1/2 Mile Range Outdoor Motion Sensor Household Sensors & Alarm
754.6 out of 5 Stars. 75 reviews
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Other options to consider(257)
Tuya Smart Home Wireless Alarm System Sound and Light Alarm Sensor Detector Intelligent USB Powered Sensor Wifi $17.89
$1789
current price $17.89Tuya Smart Home Wireless Alarm System Sound and Light Alarm Sensor Detector Intelligent USB Powered Sensor Wifi
Hydro-Quip 34-0203D Sensor Temp 0.31 in. Dia. 10 Ft. L $37.55 Was $45.93
Now$3755
current price Now $37.55, Was $45.93$45.93
Hydro-Quip 34-0203D Sensor Temp 0.31 in. Dia. 10 Ft. L
Clearance Rongsi Driveway Alarm,Wireless Home Security Driveway Alarm 1 Receiver and 1 PIR Motion Sensor Detector 1000 FT Range Extra Infrared Alarm System Kit $18.99 Was $23.99
Now$1899
current price Now $18.99, Was $23.99$23.99
Rongsi Driveway Alarm,Wireless Home Security Driveway Alarm 1 Receiver and 1 PIR Motion Sensor Detector 1000 FT Range Extra Infrared Alarm System Kit
474.1 out of 5 Stars. 47 reviews
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Natural Gas Detector with Digital Display,85dB Alarm,Plug-in Gas Leak Sensor for Home,Kitchen,Restaurant,Hotel,School,Warehouse Safety Monitor
Natural Gas Detector with Digital Display,85dB Alarm,Plug-in Gas Leak Sensor for Home,Kitchen,Restaurant,Hotel,School,Warehouse Safety Monitor
Raypak 006701F Heater Temperature Sensor IID $81.12
$8112
current price $81.12Raypak 006701F Heater Temperature Sensor IID
Best seller 1/2 Mile Long Range Solar Wireless Driveway Alarm System IP65 Weatherproof Outdoor Motion Detectors&Sensor 120dB Siren Sound Light Security Alert System Monitor&Protect Outdoor/Indoor Property From $29.99
8 options
Available in additional 8 optionsFrom$2999
1/2 Mile Long Range Solar Wireless Driveway Alarm System IP65 Weatherproof Outdoor Motion Detectors&Sensor 120dB Siren Sound Light Security Alert System Monitor&Protect Outdoor/Indoor Property
714.5 out of 5 Stars. 71 reviews
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HIBIBUD 110V Automatic Body Sensor IR Infrared Sensors Switch Motion Detector Wall Mount Outdoor Light $11.46
$1146
current price $11.46HIBIBUD 110V Automatic Body Sensor IR Infrared Sensors Switch Motion Detector Wall Mount Outdoor Light
9 In 1 BT Air Quality Monitor CO2 Meter Carbon Dioxide Detector Time/Date CO2 TVOC HCHO PM2.5 PM1.0 PM10 Temperature Humidity Detection Support APP Control With Alarm Function For $32.03
$3203
current price $32.039 In 1 BT Air Quality Monitor CO2 Meter Carbon Dioxide Detector Time/Date CO2 TVOC HCHO PM2.5 PM1.0 PM10 Temperature Humidity Detection Support APP Control With Alarm Function For
WHAMVOX Infrared Detector Sensor 2 Beams Indoor 300m Outdoor 100m High Waterproof Home Security Alarm $39.99
$3999
current price $39.99WHAMVOX Infrared Detector Sensor 2 Beams Indoor 300m Outdoor 100m High Waterproof Home Security Alarm
Cabin Air Temperature Sensor $62.88
$6288
current price $62.88Cabin Air Temperature Sensor
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LOLIPPYY 2Pcs Home Alarm Wall Mount White Bracket with Efficient Heat Dissipation $9.57
$957
current price $9.57LOLIPPYY 2Pcs Home Alarm Wall Mount White Bracket with Efficient Heat Dissipation
eMACROS 1/2 Mile Long Range Solar Wireless Driveway Alarm Outdoor Weather Resistant Motion Sensor & Detector-Security Alert System From $29.99
From$2999
eMACROS 1/2 Mile Long Range Solar Wireless Driveway Alarm Outdoor Weather Resistant Motion Sensor & Detector-Security Alert System
3304.6 out of 5 Stars. 330 reviews
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Wattstopper WS-250-W 120/277 VAC White Passive Infrared Wall Switch Sensor $99.48
$9948
current price $99.48Wattstopper WS-250-W 120/277 VAC White Passive Infrared Wall Switch Sensor
Temperature Control Relay LED Indicate High/Low Temperatures Monitor with Probe GRW8-01 $22.97
$2297
current price $22.97Temperature Control Relay LED Indicate High/Low Temperatures Monitor with Probe GRW8-01
Quality 9 In 1 BT Air Quality Monitor CO2 Meter Carbon Dioxide Detector Time/Date CO2 TVOC HCHO PM2.5 PM1.0 PM10 Temperature Humidity Detection Support APP Control With Alarm $32.00
$3200
current price $32.00Quality 9 In 1 BT Air Quality Monitor CO2 Meter Carbon Dioxide Detector Time/Date CO2 TVOC HCHO PM2.5 PM1.0 PM10 Temperature Humidity Detection Support APP Control With Alarm
Hosmart 1/2 Mile Wireless Driveway Household Sensors & Alarms 2 Piece Was $77.49
Hosmart 1/2 Mile Wireless Driveway Household Sensors & Alarms 2 Piece
564.6 out of 5 Stars. 56 reviews
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Braeburn- 7490 BlueLink Smart Connect Wireless Remote Outdoor Sensor, Pack of 6 $75.97
$7597
current price $75.97Braeburn- 7490 BlueLink Smart Connect Wireless Remote Outdoor Sensor, Pack of 6
Skyhawk Oversea Passive Infrared Motion Sensor [SHPIRG1] $80.69
![Skyhawk Oversea Passive Infrared Motion Sensor [SHPIRG1]](https://i5.walmartimages.com/seo/Skyhawk-Oversea-Passive-Infrared-Motion-Sensor-SHPIRG1_5859fbc3-ea3d-44b1-945e-d0e633fad2c4.5588b7678e537ee25825a8157fdbecd9.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$8069
current price $80.69Skyhawk Oversea Passive Infrared Motion Sensor [SHPIRG1]
eMACROS Wireless Driveway Alarm, Motion Sensor Alarm 500 FT Range Extra Loud Chimes Weatherproof Home Security Alarm System (Single Sensor) From $12.99
3 options
Available in additional 3 optionsFrom$1299
eMACROS Wireless Driveway Alarm, Motion Sensor Alarm 500 FT Range Extra Loud Chimes Weatherproof Home Security Alarm System (Single Sensor)
574.1 out of 5 Stars. 57 reviews
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Acahhotxx Temperature Sensor, Thermopile Generators Millivolt Replacement Used on Fire-place/Water Heater/ Cluster Thermocouple $13.98
$1398
current price $13.98Acahhotxx Temperature Sensor, Thermopile Generators Millivolt Replacement Used on Fire-place/Water Heater/ Cluster Thermocouple
Temperature Control Relay LED Indicate High/Low Temperatures Monitor with Probe GRW8-01 $30.38
$3038
current price $30.38Temperature Control Relay LED Indicate High/Low Temperatures Monitor with Probe GRW8-01
EST Edwards SIGA-SB Signature Series Standard Sensor / Detector Base $16.22
$1622
current price $16.22EST Edwards SIGA-SB Signature Series Standard Sensor / Detector Base
Single Beam Infrared Radiation Detector Automatic Door Light Sensor Burglar Alarm $15.95
$1595
current price $15.95Single Beam Infrared Radiation Detector Automatic Door Light Sensor Burglar Alarm
Sensor, Temp, Balboa, 25 Foot, 1/4" Diameter, 2-Pin $82.33
$8233
current price $82.33Sensor, Temp, Balboa, 25 Foot, 1/4" Diameter, 2-Pin
POWERTEC Air Quality Monitor with 7 LCD Display Multi-Sensor CO, PM2.5, PM10, HCHO, TVOC Detector, NDIR Sensors, Rechargeable Indoor/Workshop Air Monitor (AD1001) $129.99
$12999
current price $129.99POWERTEC Air Quality Monitor with 7 LCD Display Multi-Sensor CO, PM2.5, PM10, HCHO, TVOC Detector, NDIR Sensors, Rechargeable Indoor/Workshop Air Monitor (AD1001)
Tuya Smart Home Wireless Alarm System Sound and Light Alarm Sensor Detector Intelligent USB Powered Sensor Wifi $14.67
$1467
current price $14.67Tuya Smart Home Wireless Alarm System Sound and Light Alarm Sensor Detector Intelligent USB Powered Sensor Wifi
Swann AllSecure 2K Wireless NVR Security System 2-Cam Kit, Security Camera Outdoor Wireless Expandable Local Storage, Security Cameras From $329.98
3 options
Available in additional 3 optionsFrom$32998
Swann AllSecure 2K Wireless NVR Security System 2-Cam Kit, Security Camera Outdoor Wireless Expandable Local Storage, Security Cameras
1034 out of 5 Stars. 103 reviews
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