Question about Rheem Paloma PTG-74PVN / RTG-74PVN Natural Gas Indoor

1 Answer

Water heater starts, then shuts down, then starts again, shuts down, etc.

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  • hackerware Aug 25, 2010

    Have the manual. Cleaned the filter, which was not that dirty. Did not work. I guess I need to change the thermocouple next.

  • hackerware Aug 25, 2010

    Thank you Zandar 3 again. I am going to flush the system with vinegar. Called Rheem and they sent the procedure. You are a great help. Thanks again. hackerware

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Have you tried cleaning out the inline water filter?
sometimes a good flushing will also do the trick. might have some scale buildup inside.

do you have the instruction manual? this will tell you exactly how to do it. if not, I might have one I can copy and send you.

Posted on Aug 23, 2010

  • 2 more comments 
  • hackerware Aug 25, 2010

    Have manual for what it"s worth (nothing), cleaned filter but filter not really dirty. Did not fix problem. That leaves me with replacing the thermocouple next I guess. Thank you for the help though Wiz!!. It is great to know people like you are out there to help. THANKS!!!!!!!!!!!

  • hackerware Aug 25, 2010

    Sorry, I meant Zandar, Thank you soo much. New to site, got confused.

  • hackerware Aug 25, 2010

    Great no thermocouple.

  • zandar3 Aug 25, 2010

    these units don't have a thermocouple as a tank style would. that does leave a couple different items to check...
    water flow sensor. is this working correctly. you would have to check with ohm meter. if you remove it, you can clean the tip off. sometimes this works, but not always.
    gas valve, is the valve working correctly? is it getting enough gas?
    also, has it ever been flushed? reccomended to be flushed once a year especially in areas with hard water. if you have hard water, you might think about a water softener.
    did your instructions tell you the steps necessary to flush the unit? you need about 5 gallons of vinegar to flush thoroughly.

    I don't like the Bosch, they seem to break down a lot.

    let me know, I will help all I can.

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