This genuine OEM replacement sensor is an exact match for legacy part numbers TST2054 and TST2054K

Key Benefits Precise Thermal Protection: Calibrated to trigger at exactly 350 degrees F to provide immediate circuit interruption during a flame rollout

Reliable Operation: Robust SPST switch logic designed to withstand the rigorous cycles of commercial unit heaters

it features a 440 VAC rating—allowing it to safely replace older 370V units—and is housed in a rugged

the small black cap should be loosened one full turn to allow air to escape

Heil Quaker ICP 1063432 Pressure Switch Els PW 17895 This genuine OEM replacement sensorMaintaining system integrity in high demand HVAC environments requires reliable safety controls like the Heil Quaker ICP 1063432 Pressure Switch. As a critical high pressure cutout switch, this OEM component is engineered to protect the compressor and refrigerant circuit from catastrophic failure. This factory authorized ICP 1063432 replacement part features a precise 420 PSI cutout and a 300 PSI cut in reset point, ensuring the system remains within