no drip leg on water heater

Discussion in 'Water Heater Forum, Tanks' started by jocar, Jun 2, 2012.

  1. jocar

    jocar New Member

    Joined:
    Jun 2, 2012
    Location:
    British Columbia
    my brother recently had a new gas water heater installed by a well known plumbing company. when I looked at the install I noticed the guy installed the tank with a s/s flex line fastened to the vertical black iron pipe just under the union with no drip leg like it was previously plumbed. is it essential to have a drip leg installed on the black iron pipe like it was previously.
     
  2. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Joined:
    Sep 2, 2004
    Occupation:
    Retired Systems engineer for defense industry.
    Location:
    New England
    For practical purposes, probably not. From a code viewpoint, maybe. In most places, today's gas supply is quite clean, but it doesn't hurt to have a trap or drip leg.
     
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  4. hj

    hj Moderator & Master Plumber Staff Member

    Joined:
    Aug 31, 2004
    Occupation:
    Plumber
    Location:
    Cave Creek, Arizona
    I haven't installed a "drip leg" in the past 40 years, since I have moved to this area where they are not code required.
     
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