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    creekside4's Avatar
    creekside4 Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Feb 14, 2008, 06:20 AM
    Furnace has water noise in exhaust pipe
    My furnace is 11years old and I can hear water trickling inside the exhaust pipe. The vent pipe goes up through the attic.This is the first time I've ever heard this. Thanks
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Feb 14, 2008, 08:23 PM
    Check the condensate drain on the furnace. Check to make sure the discharge pipe is clear of all debris.
    T-Top's Avatar
    T-Top Posts: 1,871, Reputation: 100
    Ultra Member
    		  
    #3

    Feb 14, 2008, 08:37 PM
    It is normal for condensation with a 90% furnace. If the unit has a problem draining water the pressure switch will open and the furnace will shut down and not work at all.
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