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Old 05-05-2015, 12:44 AM   #11
Tyler & Connie Foxx
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Join Date: Jan 2015
Location: Chicago
Posts: 48
We have an Atwood tankless HW heater, we had problems getting it to light, staying lit, and producing any hot water at all! Then we found out quite by accident that it was the gas regulator!!! The stove and furnace worked fine, but the water heater wouldn't work until the gas regulator got replaced by the gas company when we parked at the campgrounds for the season and they brought out a larger 120 pound tank. Now we have more hot water then you could ever ask for.

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Old 05-06-2015, 07:19 AM   #12
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Join Date: Aug 2013
Location: SE Iowa
Posts: 550
ok here is what we found first the ground wire for the red power light was off
the there was another wire to the flow sensor that was not making contact , got it to light and run but still no hot water or pressure in RV and if on running on the pump it would just rum and never shut of or build pressure with everything shut off that ended up being the freeze sensor thinking it was below 32 degrees so the thank would just circulate with in itself so we just upluged that now every thing seems to work fine well see this weekend
thanks to all

2013 Silverado Duramax 3500HD DRW LB

Stop worrying about the potholes in the road and enjoy the journey
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Old 05-06-2015, 07:26 AM   #13
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Join Date: Jul 2007
Location: Jefferson County, MO
Posts: 5,229
Thanks for coming back with an update. Here's hoping the rest of your season is trouble free.

Bob and Joyce
2013 CC Silverback 29RL
2010 Ford F250 XL Crew Cab 6.4 liter diesel
ATU Local 788
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Old 05-06-2015, 03:59 PM   #14
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Join Date: Mar 2015
Location: Mishawaka
Posts: 576
Originally Posted by Mmnsc View Post
Have ypu tried pressing the reset button. When you look into the water heater, on the left side towards the back is a little white round switchthat has a button on the front. Try pressing that. It should lite after you reset the high limit switch.

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I had that problem first trip out. Ended jumping out high limit for remainder of trip leaving only low limit in play. Got tired having to go outside to reset every time using hot water. Worked fine after that.

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heater, light, tank, water, water heater

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