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Lennox Heat Pump Temperature Sensor 28W70
This part 28W70 is compatible with:
- Product Type:
- Heat Pump
- Brands:
- Lennox
Temperature Sensor Customer Reviews
Common Problems Fixed by the Temperature Sensor
Based on customer reports and repair data, this part commonly fixes these issues:
Heat pump not heating
Heat pump coils frosting up
About the Temperature Sensor
A temperature sensor monitors the temperature of the outdoor coils. If the coils begin to frost over, the sensor will alert the defrost control to allow power to energize a reversing valve to divert the warmer refrigerant from the indoor coil to the help mel the excess frost from the outdoor coil. If the temperature sensor is defective, the defrost system will not be alerted to the excess frost.
Alternative Part Number(s)
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