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Thread: no drip leg on water heater

  1. #1
    DIY Junior Member jocar's Avatar
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    Jun 2012
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    Default no drip leg on water heater

    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. #2
    Retired Defense Industry Engineer jadnashua's Avatar
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    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.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

  3. #3
    Moderator & Master Plumber hj's Avatar
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    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.
    Licensed residential and commercial plumber

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