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New rth2410 installed. heat won't work but cool does

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Posted on Jan 02, 2017

kingbrizzle
  • 407 Answers

SOURCE: I'm installing a Honeywell Thermostat

Auxiliary heat is electric heat that is put into the air handler on the inside of the house. Its used when your heat pump doesn't provide enough heat, but heat strips are not always used. To see if you have auxiliary heat, look inside and see if you have breakers on the front panel of the air handler or anywhere close. No breakers, no electric heat. Hope this helps!

Posted on Dec 12, 2010

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I Have a honeywell RTH2410 Thermostat I wired it without the blue wire which used to go to X on my old thermostat. Now it comes on with aux heat all the time and I have a Heat Pump. How can I fix this?


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