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F for the opening (trip) point and a 40
Series 25A
Durable Probe Construction: The 5-inch probe is designed to withstand high-velocity air streams and frequent thermal cycling in HVAC heating systems
These paddles are rated for use with water
Verified Safety Calibration: Opens precisely at 320°F to prevent hazardous heat accumulation within the burner compartment
Heil Quaker ICP 1172766 Defrost Sensor F for the opening (trip)When the outdoor coil on a heat pump or cooling unit starts pulling high head pressures or loses efficiency due to ice bridging, the ICP 1172766 Defrost Sensor is the primary diagnostic point. This is a genuine Heil Quaker replacement part engineered as a fixed temperature bi metal switch, specifically calibrated with an O60 C32 defrost termination specification. This means the circuit opens at 60F to terminate the defrost cycle and closes at 32F to