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Thread: hot water loop

  1. #1

    Default hot water loop

    I'm remodeling my #2 bathroom, going from 2 sinks to one. When I opened the walls , I noticed that both hot water lines had extra capped ( one had a small hole in it ) lines attached . I did not attach either extra line to new single sink. Now when I turn on water to #2 bathroom , I lose hot water to whole house. Do I need to add one of the extra lines to new hot water line to sink ?

  2. #2
    Join Date
    Jul 2010
    Location
    SoCal
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    5,103

    Default Re: hot water loop

    Hard to determine without seeing what you have. Maybe the now disconnected pipe continued further to other faucets.
    Try it, what do have to lose?

  3. #3
    Join Date
    Dec 2010
    Location
    Houston Texas
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    Default Re: hot water loop

    The extra pipes may have been hammer arrestors.

    Sounds like you accidentally looped the hot and cold together somehow, if through the valve.....

  4. #4
    Join Date
    Apr 2012
    Location
    Northern Virginia
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    140

    Default Re: hot water loop

    Quote Originally Posted by HoustonRemodeler View Post
    The extra pipes may have been hammer arrestors.
    When my #2 Bath Toilet tank fill shuts off, the fill valve closing causes a relatively loud shuttering noise. When filling, the rushing water sound is very noticeable, but no "clanging" as if the pipe was not secured.

    Would a hammer arrestor help ??

    I plan to re-model the bath, so would open up the wall then.

  5. #5
    Join Date
    Jul 2010
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    SoCal
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    Default Re: hot water loop

    t_manero

    First, try a cheap solution: replace your fill valve with a Fluid Master or similar valve, to see if your problems go away.
    Later, when you open the wall, you can go to step 2, if needed.

  6. #6

    Default Re: hot water loop

    Thank-You guys for the replys. I better explain further. I have the walls open,I do not have any fixtures hooked up . Just the pipes , with shut offs on. I was doing a leak test before putting up walls. I just elimated one sink with pipes . Both hot water lines were connected together, and both had hammer resisters on there lines . There was no returns going back to water heater. Just the hammer resisters. So went from main hot water line to one sink . Then when I shut off water to #2 bathroom, I took off the cap to shower valve ( used for testing only ), and there was a trickle of water coming out and it was warm. So I replaced the shut off on the main line which goes to bathroom and will try the test again. Captainmuscle11

  7. #7
    Join Date
    Jul 2010
    Location
    SoCal
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    5,103

    Default Re: hot water loop

    captain,
    Snap a photo and send it to us if you can. One way is by an outside site like photobucket.

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