Originally Posted by mjones12
I've also found that when draining the tank - after removing the anode rod - I don't get much of a stream running out unless I activate the pressure valve.
If you think about it, unless you open a hot water tap inside, how is air gonna get into the hot water tank to replace the water. Even then you have a big drain hole and small pipes.
Popping the relief valve gets you an air hole almost as big as the drain hole.
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