Resideo GS250 Thermometer It is the standard choice

It is the standard choice for providing remote alarm visibility for InnovairFlex duct smoke detectors and other sensors located in hard-to-reach areas like ceiling plenums or air handlers

offering superior resistance to chemical degradation and thermal stress

and heater sequencers

and flame rollout

Developed for high-reliability performance in International Comfort Products (ICP) residential heating units

Resideo GS250 Thermometer It is the standard choiceThe Resideo GS250 Thermometer is a heavy duty industrial temperature gauge designed for accurate monitoring in hydronic heating and cooling systems. Engineered as the direct replacement for the legacy 4004 53 series, this analog thermometer features a sweat brass well to ensure a secure, leak proof installation while providing excellent thermal conductivity. The dual scale dial displays temperature in both Fahrenheit and Celsius, allowing technicians