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

    Jan 3, 2008, 10:23 PM
    Furnace has a few "explosions"
    Hi, I have an oldersearsfrunace, not sure of the model.It has been recently upgraded with Central air andnew thermostates. The issue is the furnace ignites, and then after a few minutes it has an explosion, not big enough to do damage to the house YET,but it seems to be getting worse. Tonight I was sitting in my house, and the furnace "POPPED" 5 times in a row,hard enough to shake the windows and set off the burglar alarm. When I went into the furnace room to look, I could see that the furnace was lit, the pilot was working( electronic ignition) and the blower was on,then the blower went off aftert about a minute the blower shuts off but the flames stay on,then the blower will turn back on again. I turned the furnaceoff, waited a few minutes, removed the covers, cleaned out the baffles,replace the coversand still the furnace POPS. At first I thought the gas was not getting through into the burners, but they are all clear. I seen the gas ignite backout of the furnaceeven after the flames has been on for about a minute. I did notice that the temp inside the house does not get warm. I can keep the fan set to the on position, but it deos not allow the furnace to ignite when I do that..

    Anyone please help,its gettgin mighty cold in hear.

    Tim in Detroit
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
     
    #2

    Jan 4, 2008, 02:47 AM
    Call for professional service now. This is the best advice I can give you.
    therinnaiguy's Avatar
    therinnaiguy Posts: 153, Reputation: 5
    Junior Member
     
    #3

    Jan 4, 2008, 07:24 AM
    I second hvac1000's suggestion

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