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vlopddap's avatar
vlopddap
Explorer
Sep 17, 2014

Water header 3/4" anode with drain valve (Suburban) ?

I'll try to make things clear... yesterday I removed my drain plug on my Suburban 6 gallons water heater (2011 model w/ pilot, no DSI) and O.M.G.... so much crap, rust and more have poured out of the ...
ScottG's avatar
ScottG
Nomad
Sep 17, 2014
If you drain the water heater it will have a little bit left in the bottom of the tank. Because this water does not make contact with the anode, the anode cannot protect the tank. It is better to either leave the tank full with a good anode or completely drain and blow out the tank - which isn't easy.
I would leave it full of water.

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