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  1. #1
    Join Date
    Oct 2009
    Location
    houston
    Posts
    35

    Default Line coming from drain at water heater.....

    Has anybody seen this.
    I am guessing it is part of a circulating system or something. Has a circulating pump but have never seen one coming from the drain cock. Down the line to the right about 2' is the pump, and it is going to the other side of the attic and down the wall. but I cant figure out where it actually goes. On that side of the house there is the master bath upstairs and kitchen on 1st. Is this out of plumbing code?
    20170713_110921edit.jpg

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  2. #2
    Join Date
    Mar 2007
    Location
    New Mexico
    Posts
    1,249

    Default Re: Line coming from drain at water heater.....

    That is pretty routine here for a circulating pump on the hot water. Should be a check valve, which may be just to the right of the valve.

    They also sometimes tie in at the cold water input here, seems about 50/50.

    Jim Robinson
    New Mexico, USA

  3. #3
    Join Date
    Oct 2009
    Location
    houston
    Posts
    35

    Default Re: Line coming from drain at water heater.....

    Quote Originally Posted by Jim Robinson View Post
    That is pretty routine here for a circulating pump on the hot water. Should be a check valve, which may be just to the right of the valve.

    They also sometimes tie in at the cold water input here, seems about 50/50.
    yeah, I always see it to the water line on top


  4. #4
    Join Date
    Jul 2008
    Location
    Utah
    Posts
    389

    Default Re: Line coming from drain at water heater.....

    Interesting. I always specify that the recirculating line is connected to the cold water inlet to the heater. I wonder if having the line connected to the drain keeps the solids suspended better and results in less tank sediment? Pure speculation.


  5. #5
    Join Date
    Jul 2012
    Location
    Indiana
    Posts
    35

    Default Re: Line coming from drain at water heater.....

    In a house I did today, found something similar to this....anyone want to say anything other than what's already been said? The pipe disappeared into a maze of piping in the ceiling and the above finished drywall, so tracing it was not an option.

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  6. #6
    Join Date
    Oct 2010
    Location
    MONTREAL QUEBEC-CANADA
    Posts
    1,747

    Default Re: Line coming from drain at water heater.....

    WH in the attic?

    Robert Young's Montreal Home Inspection Services Inc.
    Call (514) 489-1887 or (514) 441-3732
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