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  1. #1
    Join Date
    Nov 2013
    Posts
    1

    Default boiler condensation

    We had a new boiler installed about 3 or 4 years ago. Since then we have had mold problems and the walls around the chimney in our upstairs bathroom become wet when we use the heat. We think they didn't vent it properly or there is no liner in the brick chimney. Is there a way to release the condensation directly from the boiler? Also, we find no drain pipe as I have read about. Is there an easy solution to this? Should we vent it out a basement window?

  2. #2
    Join Date
    Feb 2008
    Posts
    180

    Default Re: boiler condensation

    Your best bet if you haven't done so already is to consult the Yellow Pages under "Heating Contractors", if you don't already have available the company service person that installed the boiler, and have a service contractor come over to check it out.

    There are several different types of recent vintage boilers that have different ways of eliminating the moisture that is a normal by-product of the flame combustion process; for example, there are the high efficiency CONDENSING boilers that use natural gas/propane as a fuel where the combustion process produces a lot of water condensate that requires (usually) a plastic drain pipe to vent the water condensate into a drainpipe thru the floor of the boiler room.

    Other less efficient boilers, as noted, require an accurate flame adjustment to make sure the moisture is harmlessly vented thru the chimney outdoors during the normal combustion process---you will have to get a heating technician in there to determine what is the problem & make any needed adjustments.
    Last edited by Dobbs; 11-30-2013 at 04:10 PM.

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