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-   -   Thermocouple problems (https://www.askmehelpdesk.com/showthread.php?t=659366)

  • May 11, 2012, 06:55 AM
    KarenMVS
    Thermocouple problems
    I changed the water heater thermocouple yesterday and lit the pilot light. Had plenty of hot water for 24 hrs. Now the pilot light went out again and had to re-light it. Is this a fluke or is there possibly something else going on?
  • May 11, 2012, 08:32 AM
    ballengerb1
    Any chance there is air movement blowing out the pilot? Did you get the combustion chamber doors in place properly?
  • May 11, 2012, 10:54 AM
    KarenMVS
    There is a small draft coming from the floor drain. Not enough to blow flame out on a candle. And chamber doors are fully closed.
  • May 11, 2012, 03:28 PM
    mygirlsdad77
    Put some water in that floor drain first. Now, do you have a sealed combustion heater? If so, it sounds like the combustion intake is plugged which will cause the unit to run out of oxygen. What make and model and year water heater do you have?
  • May 11, 2012, 05:55 PM
    KarenMVS
    Called in the professionals. Turned out to be gas control valve. But water heater is 11 yrs old and we have hard water, so instead of changing valve and taking the chance of tank going bad we replaced it all
  • May 11, 2012, 05:57 PM
    KarenMVS
    Thank you for the help and advice!! Much appreciated
  • May 14, 2012, 03:56 PM
    mygirlsdad77
    Hey, you made the right call. Thanks for the update.

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