pilot goes out with new thermocouple

Discussion in 'Water Heater Forum, Tanks' started by ilya, Feb 25, 2011.

  1. ilya

    ilya In the Trades

    Dec 10, 2009
    home repair -I am not licensed and never represent
    Akron Ohio
    A gal I've done a little work for has a 7 yr old Richmond water heater. I've replaced the thermocouple but the pilot still goes out after a few hours. Any deas would be appreciated.
  2. Cookie

    Cookie .

    Oct 7, 2005
    You need a new gas control valve.
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  4. hj

    hj Moderator & Master Plumber Staff Member

    Aug 31, 2004
    Cave Creek, Arizona
    There can be more than one cause of the pilot going out, and the only way to determine which is the cause would be to watch it in operation. In many cases, if you replace the control valve, you still have the problem. And, I would replace the heater before I would spend time and money on a new gas valve.
  5. DonL

    DonL Jack of all trades Master of one

    Mar 30, 2011
    Rocket Scientist
    Houston, TX
    I agree with hj.

    Also make sure the thermocouple is positioned in the flame properly. And that there is no draft causing the pilot flame to go out.

    Have a great day.

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