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Old 06-06-2015, 07:55 PM   #1
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Hot Water Heater Question

Hello All,

On my 2005 Bounder 38N, the water heater works on both electric and gas. On gas, the water will heat up to a very hot temperature (which I like), but when it runs off of the electric system, it won't get nearly as hot. Just barely hot enough to take a shower running only the hot water wide open.

Is this normal or is there a thermostat or something I need to repair/replace?


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Old 06-06-2015, 07:58 PM   #2
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Depends on the WH model you have. There usually are no temp settings. Both the electric and gas t-stats should be the same temp, so something is wrong.

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Old 06-06-2015, 09:30 PM   #3
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Have you drained and flushed the tank? Build-up from electric element use may be filling tank.

Check to see if the thermostats are making good contact with the tank. Rust/dirt between the tank and thermostat will effect performance.

Also, if it is a Suburban heater, there are 2 different temperature thermostats available. I believe they are 120 and 140 degrees. They should match. I switched mine out to 140 degrees when we got our coach.

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Old 06-08-2015, 07:11 PM   #4
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May have a burned out element. Mine has two.
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Old 06-08-2015, 07:50 PM   #5
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I suggest descaling. We had a similar problem until I put white vinegar in the tank to descale it.
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Old 06-09-2015, 07:56 AM   #6
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Since the heater works fine on LP, you don't have a dirt or scale problem. And the 2005 era heaters use a single thermostat for both gas and electric, so its not that either. Only thing left is the electric heater element itself or the voltage reaching it for power. Check the wiring and measure the voltage on that 120v power circuit first. If that seems OK, a new element may be the answer. A new element isn't expensive - any standard 1400-1500 watt heater element will work. There are two different standard styles of mounting, screw in or bolt-on (yours is probably a screw-in type). Get a new one at Lowes or Depot and try it. It's on the baks ide of the heater, so often a PITA to get at.
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Old 06-09-2015, 01:25 PM   #7
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Thanks everyone! I'm leaning towards it being an element as well. I'll play with that some and see what happens.
Rick H.
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Old 06-09-2015, 01:33 PM   #8
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Strongly recommend NOT using a 140 degree thermostat. The hot water will scale your skin. Only use the 120 degree thermostats.

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Old 06-09-2015, 05:53 PM   #9
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Suburan and some older Atwoods use two T-stats,,One for Gas, One for electric.

Most Atwoods use one, for both.

That's all I can say without your make and model.

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