I have a BesTech thermostat and two wires are confusing me. One of them state O/B and I am not sure where that goes and the other is Aux/E. I also have one labeled R but there is no R in the Lux TX9000TS.

Asked by Avery on 04/26/2010 1  Answer

ManualsOnline posted an answer 14 years, 5 months ago

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