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    Mustanggt82's Avatar
    Mustanggt82 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Nov 19, 2008, 07:50 PM
    Colman furnace?
    Colman furnace
    Serial # 048166476
    Model # 7680c856
    80,000 BTU input
    60,000 BTU out put
    Standing pilot
    Coleman gas funace, model #7680C856 for mobile home worked great last year but since cold season hit, can't keep home warm Thought it might be the thermostat so replaced that with new one but same thing. Thermostat clicks, burners light, blower doesn't activate for about five minutes then runs about 30-60 seconds and shuts off. Heater will kick back on about 3 min. later but same thing over and over.
    I tried every thing I know I think its time for a replacement but I don't know
    letmetellu's Avatar
    letmetellu Posts: 3,151, Reputation: 317
    Ultra Member
    		  
    #2

    Nov 19, 2008, 08:33 PM

    First make sure that your filter is clean, then you will have to look at the air conditioning coil to make sure it is not clogged up.
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #3

    Nov 19, 2008, 09:25 PM
    Post your question at the mobile home site linked below. Include model number and the problem. Post under Colman.


    mobilehomerepair.com :: Index
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