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Always verify the model number of your outdoor unit before installation
or the system throwing a "pressure switch stuck open" or "stuck closed" fault code
Versatile SPDT Configuration: Provides flexible switching logic for both normally open and normally closed circuit applications
Instant Diagnostics: Integrated LED status indicator allows for rapid troubleshooting of the 24V signal without opening the enclosure
Lennox 63K46 Defrost Thermostat Always verify the model numberThe Lennox 63K46 Defrost Thermostat is a critical component for maintaining the operational reliability of Lennox heat pump systems. This OEM replacement part, also identified as 63K4601, is engineered with L70 28F temperature control characteristics, meaning it is designed to close at 28F on a temperature drop to initiate the defrost cycle and open at 70F on a temperature rise to terminate it. By accurately monitoring the evaporator coil temperature,