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Old 08-05-2010, 11:09 AM   #1
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raising an electric water heater


My home inspector (new construction) suggested that we raise the electric water heater off the floor a few inches (on bricks or 2x4's). It is "not necessary, but a good idea." My question is: WHY is it a good idea? What will it buy us that leaving it on the ground won't?

Thanks in advance!


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Old 08-05-2010, 11:22 AM   #2
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If it sits right on concrete...or the floor, a small leak/moisture can cause the bottom to rust out over the years


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Old 08-05-2010, 01:49 PM   #3
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It should not sit directly on a concrete floor. I would suggest a high-density styrofoam pad. In addition to keeping the bottom of the tank rust free, it will also help with efficiency by not allowing energy (heat) loss from cool dense concrete. I have also heard it can shorten the life of the elements. Similar to placing a car battery on bare concrete would kill the battery. (not sure how much truth there is to that though)
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