Forum Discussion
hyattjlbb
Aug 12, 2013Explorer
Switch on the outside (unit itself) is more of a safety so no one can mistakenly turn it on from inside when it has no water in it (winterized). Both swicthes for LP and electric are used inside for normal operations. Like stated, use electric when you can to save your propane but turn on both for quick recovery of hot water. Once water is warm, I am not sure which one takes priority as they should both shut off once to temp.
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