I am trying to connect model # 40135.. My house is about 38 years old. There are 4 wires blue, red, white, & green.. I am afraid to connect as your manual says colors do not match etc.. I connected w:to white r: to red g: to green.. blue was not connected.. The fan came on but no heat. I shut off system. can you help?? PLEASE.. Jim

Asked by jim on 12/17/2010 1  Answer

ManualsOnline posted an answer 13 years, 4 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

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