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 > water heater problem

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ghart204

Niles, MI

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Posted: 06/02/14 05:02pm Link  |  Quote  |  Print  |  Notify Moderator

I have an Atwood water heater on my 2013 Holiday Rambler Vacationer that runs on either gas or electric. The water heats up fine . The only issue that I am having is that once the water has heated up, the gas or electric burner is constantly coming on to heat the water. It is as if the water drops a degree, the burner comes on to heat the water. What might be some possible issues that may cause this to happen. I cannot remember this happening prior to me winterizing the motorhome last fall.


GHart204
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foxtrottwo

Shell Knob, Missouri

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Posted: 06/02/14 05:40pm Link  |  Quote  |  Print  |  Notify Moderator

Sounds like a bad thermostat.

ghart204

Niles, MI

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Posted: 06/02/14 06:27pm Link  |  Quote  |  Print  |  Notify Moderator

Thanks for the reply. I thought that might be the problem. I will try a replacement.

enblethen

Moses Lake, WA

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Posted: 06/02/14 06:51pm Link  |  Quote  |  Print  |  Notify Moderator

It may not be the thermostat but the ECO. I would buy the kit with both the ECO and thermostat.
Make sure they are tight against the tank, first.


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nwrandski

Washington State

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Posted: 06/02/14 07:29pm Link  |  Quote  |  Print  |  Notify Moderator

Is there a reset function on the water heater itself. These are usually two buttons on the center of the user panel - next to the burner / high pressure valve. They would be clearly visible after removing the outside cover. I would try this first. My suggestion.


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ghart204

Niles, MI

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Posted: 06/02/14 07:45pm Link  |  Quote  |  Print  |  Notify Moderator

There is no reset buttons on this particular water heater. Thanks for the suggestion.

Old-Biscuit

Verde Valley

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Posted: 06/02/14 09:51pm Link  |  Quote  |  Print  |  Notify Moderator

Your Atwood uses one set of t-stats for both electric and propane operation

They are under the foam cover in outside compartment

Brown wires to/from normal t-stat (preset to OPEN at 140*F)
Red wires to/from ECO (high temp t-stat---preset to OPEN at 180*F)

If t-stats are not held tight against tank wall they can not properly sense the correct temp.

They are held against tank with a plastic washer that presses down a spring and then held down with three small tabs. I hate the design. (Suburban uses a bracket that screws down)
Problem is probably with the normal t-stat not tight against tank.


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ghart204

Niles, MI

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Posted: 06/03/14 03:04pm Link  |  Quote  |  Print  |  Notify Moderator

Thanks for all the suggestions. I ordered the combo pack today. I had a little trouble getting a couple of the wires off. I didn't want to break any. Hopefully the new set will take care of the problem. I will make sure they are both tight against the tank.

ghart204

Niles, MI

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Posted: 06/08/14 05:24pm Link  |  Quote  |  Print  |  Notify Moderator

Just an update. I replaced the old Tstat and ECO with a new kit. After heating the water up, it seems to be working fine. I don't notice the heater coming on every few minutes. Thanks again for all the great suggestions.

wa8yxm

Wherever I happen to park

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Posted: 06/09/14 06:35am Link  |  Quote  |  Print  |  Notify Moderator

You found it. the T-Stat shuts the heater off when it's hot and turns it back on when it starts to cool.. Sounds like yours got old and the "Delta" was gone..

Some electronic T-Stats (not compatible with that water heater, or, far as I know, any water heater) have adjustable Delta (The difference between turn on and turn off) but on that one it's factory set... And it appears that old age changed it.


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