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Rattling coming from baseboard heating system

heat_rattle
heat_rattle Member Posts: 1
in Radiant Heating
There's a constant rattling/jack-hammer/chain noise coming from my baseboard heating system. Originally I noticed it in a far room from the boiler, but traced the sound back to the boiler room. It appears to be coming from the expansion tank, but I can't be certain.



Here's a video of the noise: <a href="https://vidd.me/O4J">https://vidd.me/O4J</a>



Any advice would be appreciated.

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Comments

  • kcopp
    kcopp Member Posts: 4,568
    sounds like....

    that are usually a check valve needing some adjustment.
  • bob_46
    bob_46 Member Posts: 813
    Rattle

    It looks like your tank is screwed into the bottom port of a flow control valve . Open the valve with the manual opener and see if the rattle stops .

    There was an error rendering this rich post.

  • Mark Eatherton
    Mark Eatherton Member Posts: 5,872
    Yeah...

    Can't say as I've ever seen one screwed in there. Any port in a storm eh…



    What is your operating pressure? Static (pumps off) and running.



    ME
  • SWEI
    SWEI Member Posts: 7,348
    edited March 2014
    It had the right sized holes

    in the right places, so we used it!  I think we saw a photo here of one like it about a year ago -- could they be the work of the same genius?

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