Heil Quaker ICP 1174694 Pressure Switch 323080-701 This L65-33F defrost sensor is

This L65-33F defrost sensor is a critical thermistor-based component that triggers the defrost cycle when the outdoor coil temperature drops to a calibrated 33°F

Direct OEM Matching: Perfectly replaces legacy 621839R units to eliminate compatibility troubleshooting

allowing it to be secured directly to the chassis or an electrical plate using standard sheet metal screws

and high-efficiency gas furnaces

it is intended as a direct replacement for existing electronic ignition manifolds

Heil Quaker ICP 1174694 Pressure Switch 323080-701 This L65-33F defrost sensor isEnsure your system remains operational with the Heil Quaker ICP 1174694 Pressure Switch, a critical safety component designed specifically for monitoring low pressure thresholds in HVACR equipment. This OEM ICP replacement part (1174694) is engineered to protect the compressor by interrupting the control circuit if refrigerant pressure drops below safe operating levels, preventing expensive damage and motor burnout. Built to rigorous Heil Quaker