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Old 12-17-2012, 05:13 AM   #11
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I am also confused about the winterization. According to owner's manual, it says to reverse the 2 valves at water heater. No antifreezecamethrough hot side of faucets. What did we do wrong? Cold side of taps were ok.
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Old 12-17-2012, 05:27 AM   #12
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I can't be sure but it sounds like you didn't bypass the water heater at all. I can't tell where your "two valves" are but, might you have three? One should route the cold water "around" the water heater instead of in it. Did your water heater fill up with anti-freeze? You can check that by opening the drain and making sure the heater is empty.
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Old 12-17-2012, 06:00 AM   #13
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the valves were on right side of w/h at base. I checked for 3rd valve, none found. Antifreeze did go into w/h, but we still only used about 2 gallons for faucets, washer line, shower and toilet. Manual says valves need to be in parallel position for use and at a right angle to winterize.
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Old 12-17-2012, 11:10 PM   #14
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If your valves are in the correct position for winterizing, you should not have any anti-freeze in the water heater!!

Try to find someone with your EXACT model and see if they know more than I do about your particular setup. I see in older posts on this thread that some folks have three valves. Never put anti-freeze in your fresh water or hot water tanks and ALWAYS (my opinion) ciphon the water out of the bottom of your water heater tank.
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Old 01-08-2013, 01:29 AM   #15
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I am very happy to read that I am not the only one to have struggled with winterization and the RV manual!!!!!!!!!!!!!!!
We also have just the two valves near the water heater and there is NOdifference what position they are inthe water heater fills with antifreeze. I am sure water would eventually come through the hot faucets AFTER the water heater filled with antifreezeenough tocreatedback pressureand devert the antifreeze into the pipes.
I read a winterization article that suggested leaving water in the water heater until after the pipes are filled with antifreeze and thendraining the water heater. This might work. Regardless,I will be placing a third valve in my plumbing system to isolate the water heater.
YES. The manual suggests dumping antifreeze into the fresh water tank and then pumping it through the system.This didn't work for me because after dumping three gallons into the tank the antifreeze that reached the faucet was hardly pink from mixing with the left over water in the fresh water tank.
YES. The manual calls for dumping a gallon of antifreeze into each holding tank. I assume to protect the gate valve. This seems odd to me in that the tanks are vented and RV antifreeze contains Ethanal, When the Ethanal evaporated the freeze point rises and the protection decreases. I assume that even if it does freeze may be its bursting strength is not as high and therefore not damaging the gate valves.
And as stated by others do not forget the city water fill, the black water flush system or the outdoor shower. Best of luck. KD
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