I am in the market for a programmable thermostat for my condominium.
I was reviewing the documentation of my furnace (TempStar), and it says that it is a 2-phase gas furnace.
I then looked at my existing thermostat which is a RobertShaw non-programmable (model 9500).
I don't think my current thermostat is designed for a 2-phase furnace and in fact there is only a single W terminal rather than W1 and W2. In addition there is a jumper from RC to RH and the wire is going to RC. There also is a G and a Y wire, the B and O terminals are left open.
That all being said, by heating works fine, and I have not had any problems in the 1.5 years that I have lived in my place.
So the question is can I get a similar thermostat that has a single W terminal? I don't even think that I have two W wires coming out of the wall.....
any suggestions are much appreciated.
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