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    tajshmar's Avatar
    tajshmar Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Aug 11, 2009, 05:29 PM
    AC not working - Faulty Circuit Board in Furnace
    Hi everyone,
    Hoping someone can assist me.
    Found AC not working today - found that our furnace which is a Lennox 80 UHG3-75A-3 model circuit board is blown - heard since this is an older model that I have to replce the one board (the only board as newer ones now have multiple boards hence cheaper to replce) which is expensive. Any idea how to find this part and do replacement ourselves? Dire need to cut costs... :confused:
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Aug 12, 2009, 02:06 AM
    Sure Light Ignition Control Circuit Board & Wiring Harness Kit.(Lennox): American HVAC Parts

    You can do a search on the net to find one cheaper.

    Ebay might have one but check the numbers first before ordering

    Lennox circuit board, great deals on Business Industrial, Home Garden on eBay!
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