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Old 04-14-2014, 08:07 AM   #11
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yes I have the suburban water heater and both switches are in the on position

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Old 04-14-2014, 08:23 AM   #12
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Location: Northeast Louisiana
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Originally Posted by betsapp91 View Post
yes I have the suburban water heater and both switches are in the on position
If there is water in the tank, you're 'probably' OK on both counts. If there isn't enough water in the tank, and the electric heating element switch is turned on while hooked up to a form of shore power.....then as others have already stated, it's already burned out.............and possibly the hi-limit t'stat for the electric side.

You need to go ahead and turn the switches off.

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Old 04-14-2014, 09:11 AM   #13
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What OC said>

Once you disconnect water supply, the HW tank will remain full. Until you remove the plug on the outside, it will not drain. There is a breaker in the breaker panel and a switch behind the outside panel to disconnect the electric.

I think you are OK.


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Old 04-14-2014, 01:08 PM   #14
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If you mean by no water in the RV you are referring to no water supply turned on. There is some water in the fresh tank, but no outside feed?

I did not leave my pump on, but I did leave my element on for 2 weeks (just electric and no gas) for the second time since I started RVing. First time was in the Monaco, this time it was in the primetime. I added a new note to the door as I leave to check the water heater switches.

The hot water tank was full, just no city supply or water pump. When I got there friday, I just had a tank of hot water waiting for me once I hooked up the water line and turned on the supply.

As long as there is water in the HW tank, then you wont burn up the element, just your wallet for the electric used while your away. As long as you have water in the fresh water tank and no leaks you should be ok with that as well as the pump shouldn't cycle. I have done that before as well, both times I lucked out.

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heater, switch, water, water heater

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