Question about Heating & Cooling
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Posted on Jan 02, 2017
There are so many products, we cannot help without the model no. Try typing 'Honeywell programmable electronic thermostat' into google and searching for an image of your thermostat, then get the model no. Then you might be able to get some help.
Posted on Dec 23, 2007
Sounds like a relay sticking. Possibly in the thermostat or possibly the furnace relay at the furnace. The next time it happens, unplug the thermostat from the wall. If the furnace still runs then it's the furnace relay.
Hope that helps...
Posted on Mar 07, 2008
SOURCE: Honeywell RTH230B
This my situation exactly. Changing from a 6 wire manual round Honeywell thermostat to a 5 wire Honeywell programable. Is there a way to maintain all functions?
Posted on Nov 25, 2008
check wiring to furnace check wire hook ups on board match letters and colors sometimes installer use what ever wiring they chose on letters
Posted on Oct 17, 2009
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