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  1. #1
    Join Date
    Mar 2014
    Posts
    1

    Default Old house with plumbing problems

    Our house is about 75 years old. When someone is taking a shower and someone else uses water anywhere else in the house, the shower water will change to cold or very hot. The pressure doesn't change, just the temp. Is there anything we can do to correct the problem?

  2. #2
    Join Date
    Sep 2012
    Location
    Boston
    Posts
    1,004

    Default Re: Old house with plumbing problems

    install a new shower valve. all new shower valves are pressure balanced to avoid this problem. i'm assuming that you have the old fashioned hot water valve on the left, cold water valve on the right and a diverter in the middle to switch between shower and tub. they make a kit designed to replace those old valves without having to redo the entire tub surround.

  3. #3
    Join Date
    May 2008
    Location
    Pacific Northwet
    Posts
    1,577

    Default Re: Old house with plumbing problems

    Replace the tub/shower faucet with a pressure-balancing variety.

    There is no solution for a tub/shower faucet that doesn't have that feature.
    The "Senior Member" designation under my name doesn't mean I know a lot, it just means I talk a lot.I've been a DIYer since I was 12 (thanks, Dad!). I have read several books on various home improvement topics. I do not have any current code books I can refer to. I was an apprentice plumber for two years.

  4. #4
    Join Date
    Dec 2010
    Location
    Houston Texas
    Posts
    2,945

    Default Re: Old house with plumbing problems

    or a thermostatic valve

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