I have a Lennox EC10Q3 with 2 Tstat, one on each floor. I changed a first Tstat 2 years ago, and this summer I inplugged the second one and cut the wires by mistake. I tried to install a new Tstat, first nothing worked and now the furnace does not stop even if I unistall the Tstat. can sobody help me.

Asked by Jo Barabe on 11/21/2011 0  Answer

ManualsOnline posted an answer 12 years, 12 months ago

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