the internal bimetal disc has likely failed and requires immediate replacement

Inspect the burner for heavy rust

For contractors servicing boiler systems or large-scale burners

Zero Effusion: The high-quality armored capillary tubing construction ensures no refrigerant loss to the environment through the tube walls

5-inch bore and is optimized for a 20-degree pitch

Heil Quaker ICP 1172228 Transition Assembly Els PW 17895 the internal bimetal disc hasThe Heil Quaker ICP 1172228 Transition Assembly is a critical OEM component engineered for high efficiency 90+ gas furnace systems. As a veteran grade furnace exhaust transition, this part is specifically designed to facilitate the seamless flow of flue gases between the heat exchanger and the inducer motor. Integrated into RPJ3, MPD75, and 9MPT furnace models, this assembly maintains the structural integrity of the combustion path, preventing leaks