Quote:
Originally Posted by Terry Walter
Looking at thread #4 with the back side of the water heater.
To me if you close the top and bottom valves you will receive cold water.
And if you close the middle valve you will get hot water.
If I was going to winterize my R.V. I would drain my water heater and leave it empty until I was going to use it again.
Just a thought.
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You can't get hot water if the valve is closed,and besides the hotwater heater should be drained,and water tank drained,so the only water is in the lines,blow them out add antifreeze,and your system is ready for winter.That is if you bypass the waterheater,so you don't get antifreeze in the waterheater.