Kohler or sterling shower no hot water

Discussion in 'Shower & Bathtub Forum & Blog' started by Barry1978, Aug 3, 2019.

  1. Barry1978

    Barry1978 New Member

    Joined:
    Aug 3, 2019
    Location:
    Michigan
    My shower recently stopped getting hot. I have tried to adjust the hot water from the valve or handle with no luck. I have an older type kohler single handle shower. I replaced the mixing valve and still no hot water. I took the shower head off and I have hot water coming out but as soon as I put it back on the hot water stops
     
  2. WorthFlorida

    WorthFlorida The wife is still training me.

    Joined:
    Oct 28, 2009
    Occupation:
    Retired
    Location:
    Orlando, Florida
    Where is the hot/cold water shut off for the shower? Do you know if your valve body has stops or a shut off perhaps in the basement? With the water off and the mixing valve removed, turn on the hot water to see of water flows to the valve body.
     

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  4. cjlambert

    cjlambert Red-Seal Licensed Plumber

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    Did this confuse anyone else?
     
  5. WorthFlorida

    WorthFlorida The wife is still training me.

    Joined:
    Oct 28, 2009
    Occupation:
    Retired
    Location:
    Orlando, Florida
    I think it is an old valve seat or other obstruction closes off the water flow. Without a shower head there is little resistance and the obstruction moves, slow up the water flow and the obstruction closes.

    Another is the balancing spool inside the mixing valve but it was replaced.
     
  6. Barry1978

    Barry1978 New Member

    Joined:
    Aug 3, 2019
    Location:
    Michigan
    This is the mixer valve for the handle
     

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  7. Barry1978

    Barry1978 New Member

    Joined:
    Aug 3, 2019
    Location:
    Michigan
    So what would be the best way to clear the obstruction
     
  8. Barry1978

    Barry1978 New Member

    Joined:
    Aug 3, 2019
    Location:
    Michigan
    I am confused to lol
     
  9. Marlinman

    Marlinman In the Trades

    Joined:
    Dec 13, 2018
    Location:
    Jacksonville Florida
    Look for this with the gray cartridge removed. If you see black plastic this needs to be changed. If you see only brass additional troubleshooting will need to be done.

    upload_2019-8-6_6-32-58.jpeg
     
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