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  • White-Rodgers 3046-5 Mercury Flame Sensor, 48 ElementWhite-Rodgers 3046-5 Mercury Flame Sensor, 48 Element
    WHITE-RODGERS
    White-Rodgers 3046-5 Mercury Flame Sensor, 48 Element
    SKU: 3046-5
    Product DescriptionThe White-Rodgers 3046-5 Mercury Flame Sensor is designed for efficient flame detection in HVAC applications. This sensor activates when it detects a flame, ensuring safety by preventing gas flow to the main burner if the pilot flame is absent or insufficient. Its design...
    $356.09
    $356.09
  • Functional Devices RIBXKF Relay Functional Devices 0.25-150amp Current SensorFunctional Devices RIBXKF Relay Functional Devices 0.25-150amp Current Sensor
    FUNCTIONAL DEVICES
    Functional Devices RIBXKF Relay Functional Devices 0.25-150amp Current Sensor
    SKU: RIBXKF
    Product DescriptionThe Functional Devices RIBXKF Current Sensor accurately monitors current ranging from 0.25 to 150 Amps. It is designed to detect abnormalities such as locked rotors, current loss, and open heaters. Extended current measurement range: 0.25-150 Amps Compact and easy to install High accuracy...
    $31.27
    $31.27
  • Johnson Controls A91GAA-2C ELECTRONIC TEMP SENSOR;
    JOHNSON CONTROLS
    Johnson Controls A91GAA-2C Electronic Temp Sensor, Thermistor Duct
    SKU: A91GAA-2C
    Product DescriptionThe Johnson Controls A91GAA-2C Electronic Temp Sensor is a thermistor duct sensor designed for HVAC applications. This component measures temperature to help control heating and cooling systems effectively. It ensures accurate temperature readings for optimal performance of HVAC systems. Control range from 40...
    $19.99
    $19.99
    $244.99
  • Johnson Controls NSB8BTN241-0 Network Sensor with Display Replacement NSB8BTN241-0Johnson Controls NSB8BTN241-0 Network Sensor with Display Replacement NSB8BTN241-0
    JOHNSON CONTROLS
    Johnson Controls NSB8BTN241-0 Network Sensor with Display Replacement NSB8BTN241-0
    SKU: NSB8BTN241-0
    Product DescriptionJohnson Controls offers the NSB8BTN241-0, a reliable network sensor with no logo, designed for precise temperature monitoring in commercial and industrial environments. This sensor is equipped with a white display for clear visibility. Accurate temperature readings ensure optimal operations. Durable construction for long-term...
    $139.42
    $139.42
    $140.99
  • Yellow Jacket 95730 YJ-LTE Refrigerant Recovery System 115V 1/2 HP
    YELLOW JACKET
    Yellow Jacket 95730 YJ-LTE Refrigerant Recovery System 115V 1/2 HP
    SKU: 95730
    Product DescriptionThe Yellow Jacket 95730 YJ-LTE Refrigerant Recovery System offers exceptional performance for HVAC professionals. This recovery unit is powered by a 1/2 HP twin-cylinder, oil-less compressor. It is designed to handle high load conditions, ensuring fast and efficient recovery of Class III, IV,...
    $14.99
    $14.99
  • Honeywell TR40-H Wall Module Temperature Humidity Two-Wire SylkHoneywell TR40-H Wall Module Temperature Humidity Two-Wire Sylk
    HONEYWELL
    Honeywell TR40-H Wall Module Temperature Humidity Two-Wire Sylk
    SKU: TR40-H
    Product DescriptionThe Honeywell TR40-H is a two-wire Sylk bus wall module that provides precise monitoring and control of indoor temperature and humidity. Essential for maintaining optimal climates in commercial and industrial spaces, this device interfaces seamlessly with Spyder and ComfortPoint programmable controllers. Two-wire, non-polarity...
    $231.25
    $231.25
  • SCHNEIDER ELECTRIC
    Schneider Electric (Viconics) S1010E1000 Capsule Temp Sensor
    SKU: S1010E1000
    Product DescriptionThe S1010E1000 capsule temperature sensor from Schneider Electric (Viconics) ensures accurate temperature measurements in various industrial applications. Its compact capsule design makes it ideal for tight spaces, providing discrete temperature monitoring where needed. This sensor is built with durability to withstand harsh environments....
    $62.98
    $62.98
  • Fireye 45UV5-1009 UV Self-Check Scanner 120Vac Shutter 1 NPT 8 Ft LeadsFireye 45UV5-1009 UV Self-Check Scanner 120Vac Shutter 1 NPT 8 Ft Leads
    FIREYE
    Fireye 45UV5-1009 UV Self-Check Scanner 120Vac Shutter 1 NPT 8 Ft Leads
    SKU: 45UV5-1009
    Product DescriptionFireye 45UV5-1009 UV Self-Check Scanner is engineered for detecting the presence or absence of flames in industrial applications. It is suitable for use with 72DUV24, 72DUVS1T, and EUVS4. Designed with a 1 NPT 120 Vac shutter, this UV Self-Check Scanner ensures reliable performance...
    $1,688.79
    $1,688.79
  • Trane SEN0951 Temperature Thermistor Probe Pair HVAC Supplies
    TRANE
    Trane SEN0951 Temperature Thermistor Probe Pair HVAC Supplies
    SKU: SEN0951
    Product DescriptionThe Trane Temperature Thermistor Probe Pair, model SEN0951, is engineered for precise temperature measurements in various HVAC applications. This reliable sensor ensures accurate temperature control in systems such as air handlers, chillers, and boilers. Robust construction ensures long-term reliability. Designed for wide operational...
    $504.42
    $504.42
  • Trane SEN1428 Wireless Display Temp Sensor for Industrial Applications
    TRANE
    Trane SEN1428 Wireless Display Temp Sensor for Industrial Applications
    SKU: SEN1428
    Product DescriptionThe Trane SEN1428 Wireless Display Temp Sensor is an accurate temperature measuring device for industrial applications. Designed for flexibility, its wireless capability makes remote temperature monitoring simple and efficient. Reliable and accurate temperature measurement Wireless design for flexibility and portability Compact and durable...
    $21.99
    $21.99
  • Peerless Boilers 54247 Ignitor Kit with Sensor & Gasket for PF-210 to PF-399Peerless Boilers 54247 Ignitor Kit with Sensor & Gasket for PF-210 to PF-399
    PEERLESS
    Peerless Boilers 54247 Ignitor Kit with Sensor & Gasket for PF-210 to PF-399
    SKU: 54247
    Product DescriptionThis is the Peerless Boilers 54247 Ignitor Kit with Sensor & Gasket, designed for use with PF-210 to PF-399. This part is essential for maintaining and repairing your heating system. Compatible with PF-210 to PF-399 models Includes sensor and gasket Essential for boiler...
    $21.99
    $21.99
  • Pro1 IAQ RZ250W Wireless Outdoor Temperature Sensor 32-122 Degrees
    PRO1 IAQ
    Pro1 IAQ RZ250W Wireless Outdoor Temperature Sensor 32-122 Degrees
    SKU: RZ250W
    Product DescriptionPro1 IAQ RZ250W is a wireless outdoor temperature sensor that operates within a range of thirty-two to one hundred twenty-two degrees Fahrenheit. It pairs with the T955WH and Z955W thermostats to provide accurate outdoor temperature readings, enhancing performance and comfort control in various...
    $60.63
    $60.63
  • Amana DD01E Energy Management Sensor Plastic Beige
    GOODMAN
    Amana DD01E Energy Management Sensor Plastic Beige
    SKU: DD01E
    Product DescriptionThe Amana Energy Management Sensor, model DD01E, is designed to optimize the performance of Amana packaged terminal air condition units. This sensor is compatible with Amana PTC and PTH models. It operates efficiently through its wireless functionality, making installation and operation simple. Compatible...
    $166.96
    $166.96
  • Goodman KRCS01-2UA Remote Sensor Kit, 4-pin (FXTQ_TA, CXTQ)
    GOODMAN
    Goodman KRCS01-2UA Remote Sensor Kit, 4-pin (FXTQ_TA, CXTQ)
    SKU: KRCS01-2UA
    Sensor Kit Remote 4-Pin 2.36 in WD 1.97 in LG 0.59 in DP
    $21.99
    $21.99
  • United Spa Controls EL123 Temp Sensor 96 2-Pin
    UNITED SPAS
    United Spa Controls EL123 Temp Sensor 96 2-Pin
    SKU: EL123
    Product DescriptionThe United Spa Controls EL123 Temp Sensor 96 2-Pin is designed to monitor and regulate water temperature, ensuring optimal performance for spa systems. This sensor is manufactured by United Spa Controls, renowned for high-quality spa components. Monitors water temperature Ensures optimal spa performance...
    $27.18
    $27.18
  • SIEMENS 540-660A Room Temperature Sensor - Accurate & Reliable Monitoring
    CENTURY MOTORS
    SIEMENS 540-660A Room Temperature Sensor - Accurate & Reliable Monitoring
    SKU: 540-660A
    This SIEMENS 540-660A Room Temperature Sensor is a reliable and accurate way to monitor the temperature of any room. It features a durable construction and is designed to provide accurate readings. It is a great choice for any home or business that needs to...
    $256.31
    $256.31
  • Heil Quaker 1172827 Flame Sensor PowerHeil Quaker 1172827 Flame Sensor Power
    HEIL QUAKER
    Heil Quaker 1172827 Flame Sensor Power
    SKU: 1172827
    Product DescriptionThe Heil Quaker Flame Sensor with MPN 1172827 is essential for reliable operation in residential and commercial heating systems. This component ensures proper flame detection, which is crucial for safety and efficiency in HVAC applications. It is compatible with various ICP models, making...
    $21.99
    $21.99
  • Heil Quaker 1190383 Flame Sensor ReplacementHeil Quaker 1190383 Flame Sensor Replacement
    HEIL QUAKER
    Heil Quaker 1190383 Flame Sensor Replacement
    SKU: 1190383
    Product DescriptionThe Heil Quaker 1190383 Flame Sensor Replacement is designed to ensure your HVAC system operates efficiently. This sensor detects the presence of a flame within a furnace, providing a crucial safety mechanism. Compatible with multiple models Reliable flame detection Easy installation Product HighlightsThis...
    $26.95
    $26.95
    $27.09
  • Lochinvar TST2311 Outdoor Air SensorLochinvar TST2311 Outdoor Air Sensor
    LOCHINVAR
    Lochinvar TST2311 Outdoor Air Sensor
    SKU: TST2311
    Product DescriptionThe Lochinvar TST2311 is an outdoor air sensor designed to monitor external temperature conditions for HVAC systems. This sensor helps optimize performance and energy efficiency in heating and cooling systems. Outdoor air sensor for HVAC systems Product Number: TST2311 Enhances system performance and...
    $71.64
    $71.64
  • Lochinvar 100170642 Flue Temp Sensor Kit HVAC Sensor - 100170642
    LOCHINVAR
    Lochinvar 100170642 Flue Temp Sensor Kit HVAC Sensor - 100170642
    SKU: 100170642
    Product DescriptionThe Lochinvar Flue Temp Sensor Kit is designed for accurate temperature measurement within heating systems. Precisely engineered by Lochinvar, this kit facilitates optimal functionality and efficiency in HVAC applications. Enhances system performance through precise temperature monitoring. Easy installation process suitable for various Lochinvar...
    $68.97
    $68.97

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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