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    alanfr's Avatar
    alanfr Posts: 1, Reputation: 1
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    #1

    Jan 16, 2013, 06:22 AM
    Boiler condensing water drainpipe
    The condensing water sometimes backs up and shuts down the boiler. I am told this may be an airlock in the drain pipe and this can be cured by fitting a "tunney". What is a tunney and where can I get one?
    massplumber2008's Avatar
    massplumber2008 Posts: 12,832, Reputation: 1212
    Senior Plumbing Expert
    		  
    #2

    Jan 16, 2013, 08:48 AM
    Hi Alan

    No idea what a tunney is, but it sounds like your condensate line may be unvented and may not have a cleanout installed on it.

    Here, a simple CROSS TEE fitting and cleanout (see image) can be installed in the drain line and it can act as both a vent and a cleanout when needed. This would also allow you to periodically flush the line seasonally!

    With that being said, I would check with your serviceperson and see what they were talking about because I am not there and can only speculate with the little information provided, OK?

    Your thoughts?

    Mark
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