Boiler & Water Heater Sensors

In the water heating industry, temperature sensor performance and reliability is vital to ensuring customers always have hot water when they need it. Their satisfaction and safety require the unit to prevent thermal runaway and properly control the water temperature.

At QTI, we understand the importance of reliability when it comes to boilers and water heaters. We also understand that every application comes with different conditions, so we developed our sensors to withstand both standard and harsh environments. By keeping response time, mechanical configuration and accuracy in mind through the engineering process, we ensure our sensors will help reduce service calls and warranty costs.

QTI has the expertise to be an integral part of your design process, from engineering to validation and manufacturing. If you can dream it, we can build it. Contact us today to learn more about QTI’s wide range of custom solutions.

Additional Information

These temperature sensors are designed for the most rigorous applications and can be completely customized to meet any OEM requirements for probe length, housing material, sensor type, and connector type.


  • Integrated connector for ease of installation
  • Moisture resistant
  • Customizable sensor housing
  • Fast thermal time response to maximize system efficiency
  • RoHS compliant

Choose from the following sensing elements:

  • Thermistor (10K, 12K and others)
  • PT100 or PT1000 RTD
  • Thermal switch

General Purpose Sensors

Liquid Immersion Sensors

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