Question about Honeywell Programmable Thermostat Heater

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Wc wiring on thermostat

I am replacing my old thremostat with new Honeywell non programmable RTH 3100c thermostat. On the old one was a w2 wire. It is not on new one. where does w2 wire go??

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Sounds like you have a heat pump the w2 on old thermostat is for a second stage heat. If you can give me a little more information on type of system you have (forced air furnace with heat/cool, Heat pump or boiler)? How many wires are on old thermostat? Is it a no programmable or programmable? How old is the furnace?

Posted on Jan 18, 2009

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Posted on Jan 02, 2017

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