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Lennox Thermostat 25C90
This part 25C90 is compatible with:
- Product Type:
- Central Air Conditioner
- Brands:
- Lennox
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Thermostat Customer Reviews
Common Problems Fixed by the Thermostat
Based on customer reports and repair data, this part commonly fixes these issues:
Heat pump not heating
About the Thermostat
The furnace or air handler thermostat monitors the heat being generated by the unit and will shut off power to the heating circuit if the temperature gets too high. A defective thermostat may not allow the unit to heat the air at all. You can use a multimeter to test the thermostat for electrical continuity, a continuous electrical path present in the component. If the thermostat tests negative for continuity, the part should be replaced.
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