Air Bleeder Valves - O Ring

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by chefwong, Jun 12, 2012.

  1. chefwong

    chefwong Member

    Joined:
    Jun 14, 2006
    Location:
    District of Columbia
    Just looking at air bleeder valves for baseboards.
    Is one design better than the other.

    One is just a regular thread ...
    The latter has a o ring on the bottom of it, so the valve doesn't truely bottom out onto the baseboard.
    Regardless, I do dope the fitting.
     
  2. hj

    hj Moderator & Master Plumber Staff Member

    Joined:
    Aug 31, 2004
    Occupation:
    Plumber
    Location:
    Cave Creek, Arizona
    I have never used anything other than the standard IPS threaded ones. THey do NOT bottom out on the baseboard, but one with an "O" ring would HAVE to bottom out in order to seal.
     
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  4. Tom Sawyer

    Tom Sawyer In the Trades

    Joined:
    Nov 29, 2010
    Location:
    Maine
    Standard coin vents or the ones that take a square socket are usually 1/8" NPT, no O ring
     
  5. chefwong

    chefwong Member

    Joined:
    Jun 14, 2006
    Location:
    District of Columbia
    No a fan of the O ring. Bought one.....when loosening the setscrew to bleed it, you need a box wrench (on my baseboard at least cause it's slim) to hold it in place - s the setscrew force will turn it.

    The latter type, on the same style baseboard does not do this..
     
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