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    capitootio's Avatar
    capitootio Posts: 1, Reputation: 1
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    #1

    Dec 29, 2012, 12:37 PM
    Honeywell Thermostat Models t874r1152
    What are the wiring for this thermostat, I have six wires blue, brown, yellow, white, green and red
    Grady White's Avatar
    Grady White Posts: 1,417, Reputation: 59
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    #2

    Dec 29, 2012, 03:33 PM
    Honeywell does not list that number on their web site. Honeywell numbers are usually a "T" followed by 4 numbers, a dash, & 4 more numbers.

    With more research I found that is an old mercury bulb type thermostat. I quit using those 10 years ago or more. Get a digital. They are much more accurate. DO NOT throw the old one in the trash. It contains mercury which is a hazzardous material & highly toxic. Your local solid waste or environmental agency should be able to tell you how to dispose of it properly. They may even take it off your hands on the spot.
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