Question about RTO Atwood Water Heater - 6 Gal LP

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Wont Stay Lit

Replaced Igniter will ignite will not stay lit

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  • Anonymous Apr 28, 2009

    No thermo couple. T-Stat if bypassed it will stay going , one of those pre-set disk type, I will locate one and see if this solves it.(did meter it kind of ifish) Thanks willet you guys know of it worked

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  • 74 Answers

I would suggest that you replace the thermo-couple. It is a long, slender copper "wire" that runs from the control unit to inside of the unit. THe thermo couple's job is to regulate the pilot light and the lit flame as well.

They generally cost about $10 and take 10 minutes to replace. Some of them are reversed threaded (rights loosen, lefty tighty) and some of them are regular threaded (righty tighty, lefty loosen). TUrn off the gas supply at the meter or an external valve and remove the thermo couple by unthreading it at the control unit. Bring that with you to the hardware store (lowes or Homedepot) to make finding the correct one a simple task.


I hope this helps.

Posted on Apr 25, 2009

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