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  • Honeywell E3H2 Hydrogen Sensor Cartridge for HVAC Systems
    HONEYWELL
    Honeywell E3H2 Hydrogen Sensor Cartridge for HVAC Systems
    SKU: E3H2
    Product DescriptionThe Honeywell E3H2 is a high-performance hydrogen sensor cartridge designed for industrial use. It detects hydrogen gas concentrations, ensuring safety and compliance in various industrial environments. Electrochemical technology for rapid and sensitive detection Operates effectively in temperatures from -40 degrees to 122 degrees...
    $412.60
    $412.60
  • Lennox 28M97 OEM Upgraded Replacement Furnace Flame SensorLennox 28M97 OEM Upgraded Replacement Furnace Flame Sensor
    LENNOX
    Lennox 28M97 OEM Upgraded Replacement Furnace Flame Sensor
    SKU: 28M97
    Product DescriptionThe Lennox 28M97 OEM Upgraded Replacement Furnace Flame Sensor ensures safe operation for your furnace. This sensor is designed to detect the presence of a flame, preventing gas leaks and potential hazards. The sensor is compatible with various Lennox furnace models for seamless...
    $21.99
    $21.99
    $26.14
  • York S1-025-41274-000 Temperature Sensor
    YORK
    York S1-025-41274-000 Temperature Sensor
    SKU: S1-025-41274-000
    Product DescriptionThe York Temperature Sensor, MPN S1-025-41274000, is designed for temperature measurement in HVAC systems. This sensor ensures accurate readings for effective climate control in various environments. With reliable construction, it serves well in both industrial and commercial applications. Durable and weather-resistant design Wide...
    $21.99
    $21.99
  • Humidity & Temperature Sensor w/ Digital Signal, Sense & Display, RH 2%, for TEC
    SIEMENS
    Humidity & Temperature Sensor w/ Digital Signal, Sense & Display, RH 2%, for TEC
    SKU: QFA3280.FWNC
    $256.07
    $256.07
  • Texas Furnace 4312100 Condensate Trap
    TEXAS FURNACE
    Texas Furnace 4312100 Condensate Trap
    SKU: 4312100
    Product DescriptionThe Texas Furnace condensate trap model 4312100 is vital for condensate drainage in HVAC systems. This unit manages the collection and drainage of condensate effectively, helping to prevent system damage and maintain operational efficiency. Durable construction for industrial usage Efficient separation of water...
    $62.99
    $62.99
  • Resideo C554A1794 Cadmium-Sulfide Flame Detector with 60 Inch LeadsResideo C554A1794 Cadmium-Sulfide Flame Detector with 60 Inch Leads
    RESIDEO BRAUKMANN
    Resideo C554A1794 Cadmium-Sulfide Flame Detector with 60 Inch Leads
    SKU: C554A1794
    Product DescriptionThe Resideo C554A1794 Cadmium-Sulfide Flame Detector is an essential component for oil burner systems, ensuring efficient and safe operation. This unit features 60-inch leads and is equipped with a Type R mounting bracket, making it versatile for various installations. High sensitivity cad cell...
    $37.27
    $37.27
  • Resideo C7189R2002-2 RedLink Wireless Room Sensor 2PKResideo C7189R2002-2 RedLink Wireless Room Sensor 2PK
    RESIDEO BRAUKMANN
    Resideo C7189R2002-2 RedLink Wireless Room Sensor 2PK
    SKU: C7189R2002-2
    Product DescriptionThe Resideo C7189R2002-2 RedLink Wireless Room Sensor provides precise temperature monitoring in a range of environments, including commercial and industrial settings. This sensor is designed for seamless integration with Honeywell RedLink Gateway and Thermostats, delivering real-time temperature data for optimal energy management. Easy...
    $126.07
    $126.07
  • Resideo C554A1463 Cadmium-Sulfide Flame Detector with 60 Inch LeadsResideo C554A1463 Cadmium-Sulfide Flame Detector with 60 Inch Leads
    RESIDEO BRAUKMANN
    Resideo C554A1463 Cadmium-Sulfide Flame Detector with 60 Inch Leads
    SKU: C554A1463
    Product DescriptionThe Resideo C554A1463 is a professional-grade cadmium-sulfide flame detector, equipped with 60 inch leads, commonly used for sequencing oil burner systems. Recognized for its high sensitivity, this model is a crucial unit in ensuring operating safety and efficiency in heating supplies and systems....
    $48.63
    $48.63
  • Markal 86868 Thermomelt Temperature Indicator Heat Stick 700 Degrees Fahrenheit 5 LengthMarkal 86868 Thermomelt Temperature Indicator Heat Stick 700 Degrees Fahrenheit 5 Length
    MARKAL
    Markal 86868 Thermomelt Temperature Indicator Heat Stick 700 Degrees Fahrenheit 5 Length
    SKU: 86868
    Product DescriptionThe Markal 86868 Thermomelt Temperature Indicator Heat Stick is an essential tool for precise temperature measurement. It is designed with superior break-resistance and is the industry's longest-lasting stick. It is perfect for industries requiring low concentrations of halogens, sulphur, and low melting point...
    $24.98
    $24.98
  • Markal 86625 Thermomelt Heat-Stik Marker 300°F, 4-1/2 inMarkal 86625 Thermomelt Heat-Stik Marker 300°F, 4-1/2 in
    MARKAL
    Markal 86625 Thermomelt Heat-Stik Marker 300°F, 4-1/2 in
    SKU: 86625
    Product DescriptionThe Markal 86625 Thermomelt Heat-Stik Marker is an accurate, fast, and low-cost method for measuring surface temperatures. Equipped with a stainless steel holder and pocket clip, it offers convenient and easy use. This marker is 33% bigger and stronger, making it a reliable...
    $23.93
    $23.93
  • Klein Tools TI220 Thermal Imager for Android Devices 10800 Pixels Three Color Palettes High/Low TemperaturesKlein Tools TI220 Thermal Imager for Android Devices 10800 Pixels Three Color Palettes High/Low Temperatures
    KLEIN TOOLS
    Klein Tools TI220 Thermal Imager for Android Devices 10800 Pixels Three Color Palettes High/Low Temperatures
    SKU: TI220
    Product DescriptionThe Klein Tools TI220 Thermal Imager for Android Devices features 10,800 pixels, providing clear resolution for identifying hot and cold spots. Ideal for detecting hot spots in electrical panels, wiring, and equipment parts. Also helps identify energy loss sources in buildings, moisture behind...
    $287.76
    $287.76
    $399.98
  • Markal 86544 Thermomelt Temperature Indicator Heat Stick, 225 Degrees Fahrenheit, 5 LengthMarkal 86544 Thermomelt Temperature Indicator Heat Stick, 225 Degrees Fahrenheit, 5 Length
    MARKAL
    Markal 86544 Thermomelt Temperature Indicator Heat Stick, 225 Degrees Fahrenheit, 5 Length
    SKU: 86544
    Product DescriptionMarkal 86544 Thermomelt temperature indicator is designed for critical temperature measurement. This temperature indicator stick is known for its superior break-resistance and long-lasting durability. It is 33 percent bigger and stronger, making it more efficient and reducing replacement costs. The stick contains low...
    $23.93
    $23.93
  • Markal 86751 Thermomelt Heat-Stik Marker 425° F (4-1/2 in) Replacement MPN
    MARKAL
    Markal 86751 Thermomelt Heat-Stik Marker 425° F (4-1/2 in) Replacement MPN
    SKU: 86751
    Product DescriptionThe Markal Thermomelt Heat-Stik Marker, MPN 86751, is designed for measuring surface temperatures up to four hundred twenty-five degrees Fahrenheit. This product features a stainless steel holder with a pocket clip, enabling convenient and easy use. It offers an accurate and fast method...
    $197.03
    $197.03
  • Tempil 28016 Surface Temperature Indicator 225 Degree FTempil 28016 Surface Temperature Indicator 225 Degree F
    TEMPIL
    Tempil 28016 Surface Temperature Indicator 225 Degree F
    SKU: 28016
    Product DescriptionThe Tempil 28016 Surface Temperature Indicator, with a rating of 225 degrees Fahrenheit, is a reliable tool for measuring surface temperatures. The Tempilstik provides precise measurements, ensuring accurate and consistent results. With its unique slip-resistant metal holder, this product is designed for smooth...
    $24.45
    $24.45
  • Markal 86841 Thermomelt Heat-Stik Marker 600 F 4-1/2 in
    MARKAL
    Markal 86841 Thermomelt Heat-Stik Marker 600 F 4-1/2 in
    SKU: 86841
    Product DescriptionMarkal 86841 Thermomelt Heat-Stik Marker is a reliable tool for measuring surface temperatures up to 600 degrees Fahrenheit. This product features a 1/2 inch flat tip, making it suitable for precise applications. It is designed to meet various welding codes and standards including...
    $24.98
    $24.98
  • Tempil 28040 Tempilstik Surface Temperature Indicator 463 Degree FTempil 28040 Tempilstik Surface Temperature Indicator 463 Degree F
    TEMPIL
    Tempil 28040 Tempilstik Surface Temperature Indicator 463 Degree F
    SKU: 28040
    Product DescriptionThe Tempil Tempilstik Surface Temperature Indicator with MPN 28040 is designed for accurate temperature measurement. This temperature indicator melts instantly at the designated temperature, providing an immediate and clear visual inspection. Instant melting at designated temperature Accurate within +/- 1% Fahrenheit Calibration-free Product...
    $175.56
    $175.56
  • Markal 86859 Thermomelt Heat Stick 650 Degrees Fahrenheit 5 Inches
    MARKAL
    Markal 86859 Thermomelt Heat Stick 650 Degrees Fahrenheit 5 Inches
    SKU: 86859
    Product DescriptionThe Markal 86859 Thermomelt Heat Stick is a temperature indicator designed for professional and industrial use. It accurately measures surface temperatures up to 650 degrees Fahrenheit. Accurate temperature measurement Durable stick-in-holder design Meets multiple welding codes Product HighlightsIdeal for welding, metal fabrication, and...
    $24.98
    $24.98
  • Tempil 24427 Tempilaq Advanced TL095 Temperature Indicating Liquid 510 Degree F 2 oz.Tempil 24427 Tempilaq Advanced TL095 Temperature Indicating Liquid 510 Degree F 2 oz.
    TEMPIL
    Tempil 24427 Tempilaq Advanced TL095 Temperature Indicating Liquid 510 Degree F 2 oz.
    SKU: 24427
    Product DescriptionThe Tempil 24427 Tempilaq Advanced TL095 Temperature Indicating Liquid is used for measuring the achievement of specific temperatures on various surfaces. It is applied quickly and efficiently, and melts at the designated temperature, leaving a visible mark. This liquid is formulated for a...
    $57.85
    $57.85
  • LA-CO Industries Inc 28006 Tempilstik Temperature Indicator Stick 150°F (Pack of 10 EA)
    TEMPIL
    LA-CO Industries Inc 28006 Tempilstik Temperature Indicator Stick 150°F (Pack of 10 EA)
    SKU: 28006
    Product DescriptionThe LA-CO Industries Inc 28006 Tempilstik Temperature Indicator Stick is designed for accurate temperature readings in various applications. This stick melts at a designated temperature, providing an instant visual indication of the temperature level. Operates in a temperature range from 100°F to 150°F....
    $24.45
    $24.45
  • Markal 86436 Thermomelt Heat-Stik Marker 125° F (Size EA) Replacement MPN
    MARKAL
    Markal 86436 Thermomelt Heat-Stik Marker 125° F (Size EA) Replacement MPN
    SKU: 86436
    Product DescriptionThe Markal 86436 Thermomelt Heat-Stik Marker is designed to measure surface temperatures accurately. This marker reaches a maximum temperature of 125 degrees Fahrenheit and is suitable for use on steel and iron surfaces. It includes a stainless steel holder with a pocket clip...
    $23.93
    $23.93

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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