Welcome! Here are the website rules, as well as some tips for using this forum.
Need to contact us? Visit https://heatinghelp.com/contact-us/.
Click here to Find a Contractor in your area.
If our community has helped you, please consider making a contribution to support this website. Thanks!

Main vent making loud noises

Options
QuintonS
QuintonS Member Posts: 48

My Big Mouth main vent is making a very loud noise every so often. Sounds almost like a grinding noise. Can hear it all the way on the 2nd floor even though the main vent is in the basement. Is this normal?

Comments

  • 109A_5
    109A_5 Member Posts: 3,259

    I would say that is not normal, my Big Mouth is petty quiet last I checked it. Maybe the 'O' ring needs replacing.

    National - U.S. Gas Boiler 45+ Years Old
    Steam 300 SQ. FT. - EDR 347
    One Pipe System
    QuintonSBig Ed_4
  • neilc
    neilc Member Posts: 3,086

    I'm gonna guess it's not the bigmouth, but the main dragging itself across a support or hanger somewhere as the main expands, or contracts, find the binding spot and slip in a piece of milk carton plastic to allow for a slipp

    known to beat dead horses
    mattmia2