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Old 06-03-2015, 04:49 PM   #1
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1973 27' Overlander
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Water heater element protection

We all know that monitor systems are not accurate. When boondocking with fresh water tank filled, how can one protect the water heating element if the level of the tank drops too low? If the element is trying to heat water and the water level is too low, the element will burn out in short order.
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Old 06-03-2015, 05:48 PM   #2
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it is unlikely you will dropped the water level in the hot water heater enough to expose the heater element. The hot water comes off the top of the heater tank and the element is below that.
Not sure how you are going to be using the electric element while boon-docking without killing the batteries before you run out of water.

That is what the propane is for.
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Old 06-03-2015, 06:37 PM   #3
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Not really boondocking in it's true sense. Many state parks have electric but no city water.
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Old 06-03-2015, 07:36 PM   #4
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The water heater is lower than any hot water outlet in the trailer and so will not empty unless you open the drain valves. It will not empty back through the pump as there is a check valve built into the pump to prevent that.

In other words, this is not an issue to worry about at all.
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Old 06-03-2015, 07:45 PM   #5
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Howie beat me to it

But really though, you could do like I do....don't turn the water heater on until 20 minutes before you need it. That way you are there if something goes wrong.

I often run gas and electric together to "double" the recovery rate.
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Old 06-04-2015, 04:18 PM   #6
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OK. Thanks for the info.
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