WHY DOES MY Trane Heat Pump System Activating The Aux Heat Strips While The Thermostat Has Selected A/c
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WHY DOES MY Trane Heat Pump System Activating The Aux Heat Strips While The Thermostat Has Selected A/c
Because the heat strip relay is defective. OR
The thermostat is wired incorrectly.
These two are usually the main problems
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