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  1. #1
    Join Date
    Aug 2013
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    Red face Low hot water pressure, kitchen only

    . I have very low hot water pressure in the kitchen only, cold is fine. It doesn't make a difference whether there are other faucets running at the same time. The house was built in 1922, the kitchen plumbing was updated prior to my buying the house 6 years ago. Any suggestions would be appreciated!

    Steph

  2. #2
    Join Date
    Oct 2012
    Location
    Houston, TX
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    249

    Default Re: Low hot water pressure, kitchen only

    Do you have any galvanized pipe in your system?
    It's this old house, not this built after your dad was born house.

  3. #3
    Join Date
    Jul 2010
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    SoCal
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    Default Re: Low hot water pressure, kitchen only

    Yes, galvanized pipes can cause blockages, but there are more things to check:

    - Hot water wall nipple: check and replace if needed.
    - Kitchen hot supply angle stop: check and replace if needed.
    - Hot water supply flex line: check and replace if needed.

    The fact that you only see low pressure in one faucet may tell you where and what to check.

  4. #4
    Join Date
    Aug 2013
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    Default Re: Low hot water pressure, kitchen only

    Quote Originally Posted by function View Post
    Do you have any galvanized pipe in your system?
    under the sink is plastic ,. galvanized likely from the house to the main, previous pipe is clay which is still present in sewer lines

  5. #5
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    Oct 2012
    Location
    Houston, TX
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    Default Re: Low hot water pressure, kitchen only

    Galvanized can flake off and leave little bits of rust everywhere, in cartidges, in supplies, in angle stops as mentioned above.

    I removed over 100 little flecks of rust from a faucet aerator in my bathroom a couple of months ago, it was like I had a whole new faucet. I will assume you did check the aerator already though.
    It's this old house, not this built after your dad was born house.

  6. #6
    Join Date
    Feb 2010
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    Default Re: Low hot water pressure, kitchen only

    If you do have galvanized pipe your problems will continue to get worse until the pipe is replaced.
    John

  7. #7
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    SoCal
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    Default Re: Low hot water pressure, kitchen only

    For immediate solution do what I suggested at answer #3.
    For final solution, replace the galvanized pipe like john says. Around here we use copper type L for main line. The old galvanized is sent to recycling.

  8. #8
    Join Date
    Aug 2013
    Posts
    5

    Default Re: Low hot water pressure, kitchen only

    Quote Originally Posted by dj1 View Post
    Yes, galvanized pipes can cause blockages, but there are more things to check:

    - Hot water wall nipple: check and replace if needed.
    - Kitchen hot supply angle stop: check and replace if needed.
    - Hot water supply flex line: check and replace if needed.

    The fact that you only see low pressure in one faucet may tell you where and what to check.
    thank you for your response, I will check all of these on my next day off, I appreciated your input..Steph

  9. #9
    Join Date
    Aug 2013
    Posts
    5

    Default Re: Low hot water pressure, kitchen only

    Quote Originally Posted by dj1 View Post
    For immediate solution do what I suggested at answer #3.
    For final solution, replace the galvanized pipe like john says. Around here we use copper type L for main line. The old galvanized is sent to recycling.
    Thak you ! I will check out

    Steph

  10. #10
    Join Date
    Aug 2013
    Posts
    5

    Unhappy Re: Low hot water pressure, kitchen only

    Quote Originally Posted by function View Post
    Galvanized can flake off and leave little bits of rust everywhere, in cartidges, in supplies, in angle stops as mentioned above.

    I removed over 100 little flecks of rust from a faucet aerator in my bathroom a couple of months ago, it was like I had a whole new faucet. I will assume you did check the aerator already though.
    i did check this, got a lot of dirt but it didn't make a difference.
    Steph

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