Lennox 65W90 Temp Switch 319848-301 optimized for a maximum inlet

optimized for a maximum inlet pressure of 300 PSIG and a 10 SCFM flow capacity

Failure of this switch often results in a "no-fire" condition or blower prover circuit error codes common in Lochinvar Knight and A

compact junction box to reduce enclosure footprint

System Longevity: Prevents debris buildup in valves and actuators

15" WC setpoint

Lennox 65W90 Temp Switch 319848-301 optimized for a maximum inletIf you are seeing excessive ice buildup on the outdoor coil or the heat pump is failing to initiate its defrost cycle during low ambient conditions, it is likely time to replace the Lennox 65W90 Defrost Temperature Switch. As an OEM Lennox 102298 01 replacement, this defrost sensor is engineered specifically for Lennox heat pump and AC units to monitor the refrigerant temperature at the distributor or liquid line. When the coil temperature drops below