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  • ecobee EB-RSHM2PK-01 SmartSensor Remote Thermostat Sensor 2-Pack
    ECOBEE
    ecobee EB-RSHM2PK-01 SmartSensor Remote Thermostat Sensor 2-Pack
    SKU: EB-RSHM2PK-01
    Product DescriptionThe ecobee EB-RSHM2PK-01 SmartSensor Remote Thermostat Sensor is designed to enhance comfort and energy management in your home. This pack includes two sensors that monitor temperature and occupancy in critical areas. They help manage comfort levels by adjusting your thermostat based on room...
    $93.69
    $93.69
    $175.51
  • ecobee EB-RSE3PK2-01 Remote Sensor for Ecobee3 Measures Temp/Motionecobee EB-RSE3PK2-01 Remote Sensor for Ecobee3 Measures Temp/Motion
    ECOBEE
    ecobee EB-RSE3PK2-01 Remote Sensor for Ecobee3 Measures Temp/Motion
    SKU: EB-RSE3PK2-01
    Product DescriptionThe Ecobee EB-RSE3PK2-01 is a remote sensor designed for use with Ecobee smart thermostats, including the Ecobee 3 and Ecobee 4 models. This sensor measures temperature and motion to optimize your heating and cooling requirements. It allows greater control over your home's climate,...
    $80.47
    $80.47
  • System Sensor D4120W Watertight 4-Wire Photoelectric Duct Smoke Detector 24VDC/120VACSystem Sensor D4120W Watertight 4-Wire Photoelectric Duct Smoke Detector 24VDC/120VAC
    SYSTEM SENSOR
    System Sensor D4120W Watertight 4-Wire Photoelectric Duct Smoke Detector 24VDC/120VAC
    SKU: D4120W
    Product DescriptionThe System Sensor D4120W watertight 4-wire photoelectric duct smoke detector is designed to provide reliable smoke detection in harsh environments. This unit features a UL-listed watertight enclosure, which protects against dirt, rain, and dust, making it ideal for both indoor and outdoor applications....
    $186.50
    $186.50
    $311.63
  • System Sensor RTS151KEY Key Remote Test and Reset Station for Duct Smoke Detector
    SYSTEM SENSOR
    System Sensor RTS151KEY Key Remote Test and Reset Station for Duct Smoke Detector
    SKU: RTS151KEY
    Product DescriptionThe System Sensor RTS151KEY is a remote test and reset station explicitly designed for duct smoke detectors, suitable for simplifying maintenance and testing procedures in commercial and residential buildings. This device replaces the RTS451KEY model and is compatible with both 2-wire and 4-wire...
    $68.08
    $68.08
    $96.67
  • Superior Signal 3C 40000 cu ft Leak FinderSuperior Signal 3C 40000 cu ft Leak Finder
    SUPERIOR SIGNAL
    Superior Signal 3C 40000 cu ft Leak Finder
    SKU: 3C
    Product DescriptionThe Superior Signal 3C 40000 cu ft Leak Finder is designed to effectively identify leaks in various systems. This product produces a white to grey color, allowing for easy detection of faults in tanks, piping, and sewerage/waste collection systems without the need for...
    $22.62
    $22.62
  • System Sensor RTS2 Multi-Signaling Accessory 20-29VDC InnovairFlexSystem Sensor RTS2 Multi-Signaling Accessory 20-29VDC InnovairFlex
    SYSTEM SENSOR
    System Sensor RTS2 Multi-Signaling Accessory 20-29VDC InnovairFlex
    SKU: RTS2
    Product DescriptionThe System Sensor RTS2 is a multi-signaling accessory designed to support InnovairFlex 4-wire conventional duct smoke detectors. This product, manufactured in Mexico, offers a versatile solution for enhancing fire safety systems. It operates on a voltage range of 20 to 29VDC and produces...
    $117.07
    $117.07
    $145.42
  • Superior Signal 1A 30 Second Smoke Candle
    SUPERIOR SIGNAL
    Superior Signal 1A 30 Second Smoke Candle
    SKU: 1A
    Product DescriptionThe Superior Signal 1A 30 Second Smoke Candle produces smoke efficiently. It generates four thousand cubic feet of smoke in just thirty seconds. Designed for quick signaling in various situations, this product is ideal for signaling purposes and smoke testing. The candle weighs...
    $21.99
    $21.99
  • System Sensor DST3 Metal Sampling Tube DNRE D2E 2 to 4 FeetSystem Sensor DST3 Metal Sampling Tube DNRE D2E 2 to 4 Feet
    SYSTEM SENSOR
    System Sensor DST3 Metal Sampling Tube DNRE D2E 2 to 4 Feet
    SKU: DST3
    Product DescriptionThe System Sensor DST3 Metal Sampling Tube is an essential component for DNRE and D2E duct smoke detectors, designed to ensure reliable smoke detection in HVAC systems. The DST3 is manufactured by System Sensor and has been created with the precision and reliability...
    $21.99
    $21.99
  • Goodman 0130F00010 Flame Sensor for GME95 SeriesGoodman 0130F00010 Flame Sensor for GME95 Series
    GOODMAN
    Goodman 0130F00010 Flame Sensor for GME95 Series
    SKU: 0130F00010
    Product DescriptionThe Goodman 0130F00010 Flame Sensor is an essential component for maintaining and ensuring the proper operation of your furnace. This flame sensor is designed specifically for use with various Goodman furnace models. It helps to detect and confirm the presence of a flame,...
    $21.99
    $21.99
  • Inficon 721-202-G1 D-TEK 3 Refrigerant Leak Detector Battery Powered 10 HoursInficon 721-202-G1 D-TEK 3 Refrigerant Leak Detector Battery Powered 10 Hours
    INFICON
    Inficon 721-202-G1 D-TEK 3 Refrigerant Leak Detector Battery Powered 10 Hours
    SKU: 721-202-G1
    Product DescriptionThe Inficon 721-202-G1 is a high-quality D-TEK 3 Refrigerant Leak Detector. This tool is powered by a quick-charge lithium ion battery, making it essential for HVAC professionals. Detects all CFCs, HCFCs, HFCs, HFOs, and blends Features low, medium, high, and super sensitivity settings...
    $664.63
    $664.63
    $1,176.68
  • Honeywell 18117-N Maxon Flame Rod
    HONEYWELL
    Honeywell 18117-N Maxon Flame Rod
    SKU: 18117-N
    Honeywell 18117N Flame Rod18117N is identical to 18117
    $103.25
    $103.25
    $120.88
  • System Sensor RTS2-AOS Multi-Signaling Module With Strobe InnovairFlex Conventional 4-Wire Duct Smoke DetectorsSystem Sensor RTS2-AOS Multi-Signaling Module With Strobe InnovairFlex Conventional 4-Wire Duct Smoke Detectors
    SYSTEM SENSOR
    System Sensor RTS2-AOS Multi-Signaling Module With Strobe InnovairFlex Conventional 4-Wire Duct Smoke Detectors
    SKU: RTS2-AOS
    Product DescriptionThe System Sensor RTS2-AOS Multi-Signaling Module, optimized for use with InnovairFlex 4-wire conventional duct smoke detectors, provides advanced signaling functionalities. Incorporating a key switch, users can effortlessly select and manage connected sensors for testing and reset operations. The model also features LED indicators...
    $177.73
    $177.73
  • Zebra Instruments ZSPRT Tool For Short Finder 24VZebra Instruments ZSPRT Tool For Short Finder 24V
    ZEBRA INSTRUMENTS
    Zebra Instruments ZSPRT Tool For Short Finder 24V
    SKU: ZSPRT
    Product DescriptionThe Zebra Instruments ZSPRT Tool For Short Finder is essential for HVAC professionals. This tool, with the MPN ZSPRT, enables quick detection of shorts in 24VAC circuits, safeguarding controls from damage. Quickly locates shorts Push-to-reset 3 amp breaker Bottom mounted LED indicator Product...
    $52.88
    $52.88
    $76.11
  • System Sensor D4S InnovairFlex 4-Wire Photoelectric Duct Smoke Detector
    SYSTEM SENSOR
    System Sensor D4S InnovairFlex 4-Wire Photoelectric Duct Smoke Detector
    SKU: D4S
    Product DescriptionThe System Sensor D4S InnovairFlex 4-Wire Photoelectric Duct Smoke Detector offers reliable detection of smoke in air duct systems, utilizing advanced photoelectric technology. Optimal for both commercial and industrial environmental application, this device is equipped for versatile installations in varying duct configurations. Flexible...
    $135.48
    $135.48
    $136.49
  • System Sensor AOS Add-On Strobe AccessorySystem Sensor AOS Add-On Strobe Accessory
    SYSTEM SENSOR
    System Sensor AOS Add-On Strobe Accessory
    SKU: AOS
    Product DescriptionThe System Sensor AOS Add-On Strobe Accessory is designed to enhance the visibility of fire and emergency alerts. This accessory is compatible with the RTS2 model and is a reliable addition to your safety systems. Compatible with RTS2 Reliable safety solution Enhances visibility...
    $60.30
    $60.30
    $77.10
  • System Sensor RTS151 Remote Test Station + Honeywell + InnovativeFireDetectorSystem Sensor RTS151 Remote Test Station + Honeywell + InnovativeFireDetector
    SYSTEM SENSOR
    System Sensor RTS151 Remote Test Station + Honeywell + InnovativeFireDetector
    SKU: RTS151
    Product DescriptionThe System Sensor RTS151 Remote Test Station, created by Honeywell International, is an essential safety accessory designed to remotely test duct smoke detectors, promoting efficient fire safety management. This device is a practical choice for fire safety professionals looking to maintain operational safety...
    $49.05
    $49.05
    $66.69
  • System Sensor APA151 Remote Annunciator with Piezo Alarm 24V DCSystem Sensor APA151 Remote Annunciator with Piezo Alarm 24V DC
    SYSTEM SENSOR
    System Sensor APA151 Remote Annunciator with Piezo Alarm 24V DC
    SKU: APA151
    Product DescriptionThe System Sensor APA151 is a remote annunciator that features a piezo alarm designed to enhance safety in environments requiring reliable fire detection. Manufactured by Honeywell International, Inc., this model serves as an effective upgrade, replacing the APA451 and providing both enhanced functionality...
    $50.11
    $50.11
    $62.64
  • Rectorseal 96142 AquaGuard Plastic Pan Float Switch 24 VAC 5 Amp Replacement 96142Rectorseal 96142 AquaGuard Plastic Pan Float Switch 24 VAC 5 Amp Replacement 96142
    RECTORSEAL
    Rectorseal 96142 AquaGuard Plastic Pan Float Switch 24 VAC 5 Amp Replacement 96142
    SKU: 96142
    Product DescriptionThe Rectorseal 96142 AquaGuard Plastic Pan Float Switch is a versatile and essential component for HVAC systems, ensuring efficient condensate management. Trusted by professionals, this switch is designed for easy integration with secondary drain pans. Easy, tool-free installation with a magnetic base Features...
    $35.02
    $35.02
  • System Sensor DST5 Metal Sampling Tube for DNRE and D2E, Duct Widths 4' to 8' Replacement MPNSystem Sensor DST5 Metal Sampling Tube for DNRE and D2E, Duct Widths 4' to 8' Replacement MPN
    SYSTEM SENSOR
    System Sensor DST5 Metal Sampling Tube for DNRE and D2E, Duct Widths 4' to 8' Replacement MPN
    SKU: DST5
    Product DescriptionEnhance your fire safety measures with the System Sensor DST5, a robust metal sampling tube designed for DNRE and D2E duct smoke detectors. Ideal for implementation in ducts measuring from four feet to eight feet in width, this accessory facilitates precise smoke detection....
    $22.78
    $22.78
    $23.07
  • System Sensor DST1.5 Metal Sampling Tube for D4120 Duct Smoke Detectors - 1-foot to 2-foot
    SYSTEM SENSOR
    System Sensor DST1.5 Metal Sampling Tube for D4120 Duct Smoke Detectors - 1-foot to 2-foot
    SKU: DST1.5
    Product DescriptionThe System Sensor DST1.5 Metal Sampling Tube is engineered for use with D4120 and D4S duct smoke detectors, accommodating duct widths from one foot to two feet. This product, part of the innovative InnovairFlex line, enhances the functionality of duct smoke detectors by...
    $21.99
    $21.99

About Detectors

Smoke detectors and flame sensors are life-saving devices that detect smoke, heat, or flames in the home. They alert you to potential fire hazards before they become a greater threat. 

Leak Detectors and Temperature Sensors are tools used to detect the presence of water leaks or changes in temperature. They can be used for a variety of applications, from detecting small water leaks in residential homes to large-scale industrial facilities.

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