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Leaking external boiler pipe

Paulonion
Paulonion Member Posts: 1
in Gas Heating
Hi. The pipe coming out of the back of my boiler to the external wall drips every time the boiler is turn on for the central heating. Is there a likely cause? Thanks

Comments

  • Jamie Hall
    Jamie Hall Member Posts: 24,878
    A little hard to say based on the pictures... what does the pipe connect to inside? What kind of boiler is this?
    Br. Jamie, osb
    Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England
    Ironman
  • Ironman
    Ironman Member Posts: 7,555
    Is it a condensate drain for the boiler?

    Unless you’re in a climate where freezing never occurs, no piping (including the drain) should ever be run on the exterior.
    Bob Boan
    You can choose to do what you want, but you cannot choose the consequences.
  • JUGHNE
    JUGHNE Member Posts: 11,279
    Is it connected to the pressure relief valve on the boiler?

    If so you may have a faulty air expansion tank.

    And note the comment about freezing.

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