heat pump

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  1. G

    Is troubleshooting and replace a defrost sensor and/or a defrost circuit board a DIY project?

    Forum Members, I have a 12-year-old Bryant / Carrier / Model 25HBC336W0030010 heat pump that was given a clean bill of health last October by HVAC repair company A. Monday night, it frosted/froze up and Tuesday morning, a tech from HVAC repair company B said the refrigerant level was fine but...
  2. a13ph

    Heatpump Wiring Issue After Catastrophic Short.

    While out of town for a couple weeks last month my heat-pump/blower motor control wiring suffered a catastrophic failure. I'm not exactly sure what went first. Assuming it was the sequencer, it managed to take out the blower relay, the transformer, AND the dual 30A circuit breaker. The plastic...
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