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Originally Posted by sharonbje
Thank you. But I am a bit confused, as usual.
To winterize I need to open the cold and hot water drains under the passenger bed, and close the bypass valve.
My question is: are those the only valves I need to worry about?
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By "bypass" valve are you referring to the one between your tank and the pump?
If you look at the water heater you'll find 3 more valves. It is easier to see these if you take off the "cold air return" cover below the fridge, its two screws. You'll see some "stuff" (heater vents, some wires, etc.) but behind the stuff is the water heater. You'll see red pipe out the top of the water heater (with a valve) and blue pipe at the bottom (with its own valve). In between the two will be a pipe that runs from the top to the bottom: At the top it will be red, then there will be a valve, then blue pipe to the bottom. The piping will look very close to the diagrams in my first post.
To winterize close the top and bottom valves, open the middle, and also close the valve between the tank and the pump (the one I think you're calling "bypass").
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