On Tuesday, December 2, 2014 12:53:01 PM UTC-5, Jim Joyce wrote:
yes, this is correct. And definitely cut the power to the one valved off otherwise it'll build pressure and pop the T/P valve when it goes into a heating cycle.
I'm really not sure whether it's better to drain or leave full, from a corrosion standpoint. I'd be worried about anaerobic bacteria possibly growing in a stagnant full WH as well.
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