Questions about repairs and parts for Nordyne furnaces, air conditioners and heat pumps for manufactured homes including Intertherm, Mac and Miller brands. Click here for Nordyne parts.
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Emergency heat comes on when you cut heat up more than 1 degree on thermostat. Replaced relay last year with tech (130.00) and want to replace the relay myself this year . What relay is the one to replace as only see the Fan relay on diagram. Its a Nordyne Heat Pump C3QA-042U-B Coil is C3QA-042U-B and housing in "closet" is E2EB-15HB Everything works fine and heat pump heats good yet cannot cut it up and now and then the Aux heat will come on when its not too cold or when it has not been called to come on. Can anyone help with which relay to replace on this system ?