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Old 10-26-2008, 03:30 PM   #1
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Hot water bypass system

I'm a newbie here and came across your website when I googled a question about winterizing my 2008 Rockwood 8272s.

The problem I'm encountering is that my hot water bypass system only has two valves. One valve is on the inlet side of the hot water heater(blue line). The second valve is on the junction line between the hot(red)outlet and the cold(blue)inlet side. I know closing the first valve will close off water entering the hot water heater from the cold side. Closing the second valve will allow cold water into the hot line. Won't this allow the antifreeze to backfill the water heater from the hot side? I do not want to fill the water heater will the antifreeze since it .isn't good for the anode. It seems that all the other bypass systems that I had seen contained three valves. Does the hot water heater have a one way valve on the hot side to prevent filling it from that side?

Thanks for all the answers.
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Old 10-26-2008, 03:48 PM   #2
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Yes, the Hot water line is connected to a one way valve coming out of the tank.
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Old 10-26-2008, 05:04 PM   #3
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There is a check valve on the top water line of heater hence no valve needed. If you don't trust it pull the anode rod out as I do for the winter.
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Old 10-27-2008, 08:00 AM   #4
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Ya gotta pull the anode/drain plug to drain the WH so you
might as well leave it out.
I leave mine out all winter. I find that it can be stood
in the corner or laid down inside the outside hatch cover
so it won't get lost during the off season.

Good luck!
KyDan
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