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  • Pentair 42002-0024S MasterTemp Pool Heater Stack Flue SensorPentair 42002-0024S MasterTemp Pool Heater Stack Flue Sensor
    PENTAIR
    Pentair 42002-0024S MasterTemp Pool Heater Stack Flue Sensor
    SKU: 42002-0024S
    Product DescriptionThe Pentair 42002-0024S Stack Flue Sensor is a replacement part designed for use with Sta-Rite Max-E-Therm and Pentair MasterTemp pool heaters. This sensor ensures optimal performance of your pool heater by monitoring the flue gases to prevent overheating. Stack Flue Sensor Compatible with...
    $111.53
    $111.53
  • RW BECKETT
    Beckett 7600P01U Low Water Cutoff Temperature Sensor HVAC Safety Equipment
    SKU: 7600P01U
    Product DescriptionThe Beckett 7600P01U Low Water Cutoff with Temperature Sensor is a critical component in maintaining the safety and efficiency of boiler systems. It is designed to automatically halt the operation of your heating system in the event that water levels drop too low,...
    $118.29
    $118.29
  • Weil-McLain 381-356-577 Supply Temperature SensorWeil-McLain 381-356-577 Supply Temperature Sensor
    WEIL-MCLAIN
    Weil-McLain 381-356-577 Supply Temperature Sensor
    SKU: 381-356-577
    Product DescriptionThe Weil-McLain 381-356-577 Supply Temperature Sensor is integral for monitoring and controlling the temperature in heating systems. Ensure your heating performance is both efficient and reliable with this crucial component. Provides accurate temperature readings Optimizes heating efficiency and energy conservation Durable construction for...
    Call for Pricing
    $1,000,006.00
  • ClimateMaster 17B0031N01 Temperature Sensor for HVAC Systems
    CLIMATEMASTER
    ClimateMaster 17B0031N01 Temperature Sensor for HVAC Systems
    SKU: 17B0031N01
    Product DescriptionThe ClimateMaster 17B0031N01 Temperature Sensor is designed for precise temperature monitoring in HVAC systems as well as industrial environments. This highly reliable sensor ensures accurate temperature readings, essential for efficient system performance. High accuracy and reliability Versatile design for easy installation Durable construction...
    $55.68
    $55.68
  • Lochinvar & A.O. Smith 100208548
    LOCHINVAR
    Lochinvar & A.O. Smith 100208548 - IMMERSION OUTLET SENSOR for Reliable Temperature Control
    SKU: 100208548
    This Lochinvar & A.O. Smith 100208548 Immersion Outlet Sensor is a reliable and durable choice for your water heater. It is designed to detect the temperature of the water in the tank and shut off the heater when it reaches a certain level. It...
    $74.95
    $74.95
    $94.97
  • Lennox 52W29 Flame Sensor Kit Replaces 31L71Lennox 52W29 Flame Sensor Kit Replaces 31L71
    LENNOX
    Lennox 52W29 Flame Sensor Kit Replaces 31L71
    SKU: 52W29
    Product DescriptionUpgrade your HVAC system's efficiency with the Lennox 52W29 Flame Sensor Kit, engineered to replace model 31L71. This essential component enhances the safety and operation of your heating system by accurately detecting the flame, ensuring proper ignition and gas valve functionality. Direct replacement...
    $36.92
    $36.92
  • Honeywell SPXCDXSO1SS Oxygen O2 25.0% Vol Sensor Replacement Cartridge Industrial Safety
    HONEYWELL
    Honeywell SPXCDXSO1SS Oxygen O2 25.0% Vol Sensor Replacement Cartridge Industrial Safety
    SKU: SPXCDXSO1SS
    Product DescriptionThe Honeywell SPXCDXSO1SS Oxygen Sensor Replacement Cartridge is designed for precise monitoring of oxygen levels. It is particularly efficient in various industrial environments. Engineered for accuracy and reliability in oxygen measurement. Robust construction ensures durability in harsh conditions. Easy installation compatible with Honeywell...
    $820.03
    $820.03
  • Honeywell TR21 20K OHM TEMP SENSOR Wall Module Replacement MPNHoneywell TR21 20K OHM TEMP SENSOR Wall Module Replacement MPN
    HONEYWELL
    Honeywell TR21 20K OHM TEMP SENSOR Wall Module Replacement MPN
    SKU: TR21
    Product DescriptionThe Honeywell TR21 is a temperature sensor designed for precise temperature measurement in various HVAC and industrial settings. It operates with a 20K ohm NTC thermistor, offering reliable data for temperature-sensitive applications. 20K OHM thermistor for accurate readings Wide operating temperature range from...
    $32.77
    $32.77
    $43.24
  • Honeywell E3SRMCO CO Remote Sensor -4/122FHoneywell E3SRMCO CO Remote Sensor -4/122F
    HONEYWELL
    Honeywell E3SRMCO CO Remote Sensor -4/122F
    SKU: E3SRMCO
    Product DescriptionThe Honeywell E3SRMCO CO Remote Sensor monitors carbon monoxide levels accurately in various environments. It is ideal for industrial engineers and maintenance professionals. Featuring electrochemical sensing technology, it has a measurement range of 0 - 1000 ppm and operates within -4 to 122...
    $419.60
    $419.60
  • Weil-McLain 640-000-035 Kit-S Sensor CH Temp WMntWeil-McLain 640-000-035 Kit-S Sensor CH Temp WMnt
    WEIL-MCLAIN
    Weil-McLain 640-000-035 Kit-S Sensor CH Temp WMnt
    SKU: 640000035
    Product DescriptionThe Weil-McLain 640-000-035 Kit-S Sensor CH Temp WMnt is a vital replacement part for Weil-McLain boilers. This kit includes a temperature sensor, mounting bracket, and all necessary hardware for installation. Temperature measurement and monitoring Essential for boiler operation Comes with mounting bracket and...
    $86.19
    $86.19
  • Tekmar 519 Radiant Thermostat One StageTekmar 519 Radiant Thermostat One Stage
    TEKMAR
    Tekmar 519 Radiant Thermostat One Stage
    SKU: 519
    Product DescriptionThe Tekmar 519 Radiant Thermostat is a single-stage thermostat designed for precise temperature control in radiant heating systems. This model, identified by MPN 519, offers ease of use with simple up and down buttons and a display with large type. It ensures comfortable...
    $141.59
    $141.59
  • Warrick-Gems Sensors & Controls DFC1C0 Dual Function Level Controller 120V Screw MountWarrick-Gems Sensors & Controls DFC1C0 Dual Function Level Controller 120V Screw Mount
    WARRICK CONTROLS
    Warrick-Gems Sensors & Controls DFC1C0 Dual Function Level Controller 120V Screw Mount
    SKU: DFC1C0
    Product DescriptionThe Warrick-Gems Sensors & Controls DFC1C0 is designed for precise level control in various industrial applications. Its dual functionality combines two independent level controls in one unit, optimizing space and efficiency. Dual independent level control for flexible application. Equipped with screw-mount probes for...
    $435.08
    $435.08
  • Maxitrol TS194Q Air Temperature Sensor with Mixing Tube 300 deg FMaxitrol TS194Q Air Temperature Sensor with Mixing Tube 300 deg F
    MAXITROL
    Maxitrol TS194Q Air Temperature Sensor with Mixing Tube 300 deg F
    SKU: TS194Q
    Product DescriptionThe Maxitrol TS194Q air temperature sensor is designed for use with the 92 Series Electronic Gas Modulation System. This sensor maintains precise and stable gas-fired temperatures, essential for industrial applications. For use with the 92 Series Electronic Gas Modulation System Temperature range up...
    $95.23
    $95.23
  • Johnson Controls TE-67NT-1B00 Wall Mount
    JOHNSON CONTROLS
    Johnson Controls TE-67NT-1B00 Wall Mount
    SKU: TE-67NT-1B00
    Product DescriptionThe Johnson Controls TE-67NT-1B00 Wall Mount temperature sensor offers a reliable solution for temperature monitoring. It features a 1,000-ohm thin-film nickel sensor, ideal for various HVAC applications. Wall mount design 1,000-ohm thin-film nickel sensor Terminal block wire connections Product HighlightsThis sensor includes liquid...
    $85.86
    $85.86
    $131.67
  • JOHNSON CONTROLS
    Johnson Controls TE-67NP-1N00 Temperature Sensing Nickel Sensor With Phone Jack
    SKU: TE-67NP-1N00
    Product DescriptionThe Johnson Controls TE-67NP-1N00 Temperature Sensing Nickel Sensor With Phone Jack is designed for HVACR applications. This sensor ensures accurate temperature measurement for commercial control systems. The product is manufactured by Johnson Controls. Reliable temperature sensing Compatible with HVACR systems Includes phone jack...
    $86.11
    $86.11
    $119.93
  • ADI HO-25S Canned Smoke for Testing 2.5 Oz Detectors
    ADI
    ADI HO-25S Canned Smoke for Testing 2.5 Oz Detectors
    SKU: HO-25S
    Product DescriptionADI HO-25S Canned Smoke is designed for the functional testing of smoke alarm systems and detectors. This 2.5-ounce can helps ensure your smoke alarms are working effectively. 2.5-ounce canned smoke Ideal for testing smoke alarm systems and detectors User-friendly for quick functional testing...
    $22.29
    $22.29
  • Honeywell 301-C-DLC Gas Detection Control Panel with Data Logger and Protective Enclosure
    HONEYWELL
    Honeywell 301-C-DLC Gas Detection Control Panel with Data Logger and Protective Enclosure
    SKU: 301-C-DLC
    Product DescriptionThe Honeywell 301-C-DLC is a high-performance gas detection controller designed to monitor and manage gas hazards in industrial and commercial environments. With its robust construction and advanced features, this unit is well-suited for maintaining safety and compliance in areas prone to toxic or...
    $2,117.58
    $2,117.58
  • Honeywell S301-IRF-R134A R134A Refrigerant Gas SensorHoneywell S301-IRF-R134A R134A Refrigerant Gas Sensor
    HONEYWELL
    Honeywell S301-IRF-R134A R134A Refrigerant Gas Sensor
    SKU: S301-IRF-R134A
    Product DescriptionThe Honeywell S301-IRF-R134A is a high-performance R134A refrigerant gas sensor designed for accurate and reliable gas detection. This sensor utilizes advanced infrared technology to provide precise measurements in various industrial and commercial environments. Utilizes infrared technology for accurate gas detection. Compact and robust...
    $2,105.00
    $2,105.00
  • Warrick-Gems Sensors & Controls 26B1A0E06 LWCO Warrick Control
    WARRICK-GEMS SENSORS & CONTROLS
    Warrick-Gems Sensors & Controls 26B1A0E06 LWCO Warrick Control
    SKU: 26B1A0E06
    Product DescriptionThe Warrick-Gems Sensors & Controls 26B1A0E06 LWCO Warrick Control is designed for precise liquid level management in various industrial settings. Integrating innovative technology, this control unit ensures consistent, accurate liquid level readings and robust operation under harsh conditions. Robust design to withstand industrial...
    $357.12
    $357.12
  • Yellow Jacket 69354 AccuProbe II Leak Detector Battery Operated 3 Sensitivity Level 1.7 g/yrYellow Jacket 69354 AccuProbe II Leak Detector Battery Operated 3 Sensitivity Level 1.7 g/yr
    YELLOW JACKET
    Yellow Jacket 69354 AccuProbe II Leak Detector Battery Operated 3 Sensitivity Level 1.7 g/yr
    SKU: 69354
    Product DescriptionThe Yellow Jacket 69354 AccuProbe II Leak Detector is an advanced tool designed to detect all HCFC refrigerants like R-22 and R-124. Featuring a highly sensitive sensor with Heated Electrochemical Sensor Technology (HES), it also identifies HFC refrigerants, including R-134a, R-404A, R-407C, and...
    $384.97
    $384.97

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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