I replaced two old Honeywell gold dials with these newer 44155Cs. Both houses have gas furnaces and separate air conditioners. The first one seems to work fine, but the second one turns the air conditioner on while heating. For now, I switch the breaker off for the a/c.

Asked by Jeff on 04/04/2009 0  Answer

ManualsOnline posted an answer 15 years, 7 months ago

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