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  1. #1
    Join Date
    Jan 2008
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    1

    Default Hot Water pressure loss through the entire house

    I am having pressure problems on the hot water side through the house. I will try to give as much info as i can. The pressure problem has been this way for a few months, the pressure was kinda in and out, but we could fix the issue, by releasing some water from the pressure relief valve on the water heater. Since it has gotten colder, we cant get it to come back. I replaced the bathtub faucet with a new moen, replacing the older moen which was leaking and needing updating. This is when the issue started, but the pressure wasnt great before then. I have drained the water heater 2 times and changed the pressure relief valve, cause it was leaking. The back bathroom faucet is a single handled faucet, and when you put a little pressure on the handle, it starts leaking. There is also a leak under the sink with the same faucet, I believe it may be a messed up hose or something. We dont use that bathroom much, so I havent worried about it. When we get some pressure the kitchen faucet begins to leak. I have also noticed that when I was draining the water heater, that when I turned off the shut off valve, it wouldnt stop the water completely form going into the water heater, so I would have to shut the water off at the main. The water heater is about 4 and half years old and the house has copper pipe all the way through. I know this is a lot of info and more than a few runon sentences, but I wanted to give as much info as I could think, so that it would maybe make things easier. Thanks for any input anyone can give.

  2. #2
    Join Date
    Jan 2008
    Posts
    2

    Default Re: Hot Water pressure loss through the entire house

    I've been having the same problem of loss of hot water pressure.
    Ours just happened recently and really overnight. Don't have a solution and am hoping to get a hint here. If you figure out your problem, be sure to post the answer! I'm in a 68 year old house with galvanized pipes that are quite rusty. Haven't found any leaks from anywhere. Hot water heater is about 5 years old.

  3. #3
    Join Date
    Dec 2007
    Posts
    0

    Default Re: Hot Water pressure loss through the entire house

    Your problem is calcium and scale in your pipes.Just had the problem in two bathrooms.I detached the water line to the sinks and found deposits in the shut off valves.These I cleared by hand.What to do for the entire house I would first check my water heater for the same deposits.Old waterheaters can be devestating to your water lines.A reputable plumber may suggest a treatment for your lines or possibly one of our viewers.

  4. #4
    Join Date
    Dec 2007
    Location
    MN
    Posts
    455

    Default Re: Hot Water pressure loss through the entire house

    Quote Originally Posted by njdahl View Post
    I've been having the same problem of loss of hot water pressure.
    Ours just happened recently and really overnight. Don't have a solution and am hoping to get a hint here. If you figure out your problem, be sure to post the answer! I'm in a 68 year old house with galvanized pipes that are quite rusty. Haven't found any leaks from anywhere. Hot water heater is about 5 years old.
    In your case it's probably the case of the galvanized pipes having corroded build up reducing the inside diameter. This will reduce the pressure plus some of this build up can become dislodged and plugging up faucets and shutoff valves plus build up at elbows.
    Last edited by bsum1; 01-11-2008 at 10:45 AM. Reason: spelling

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