If your rv has a bypass valve these two pipes will be connected directly to each other using a third pipe.
Rv water heater bypass valve leaking.
Now go into your rv and find the heater from the inside.
The single valve combines the functions of the cold water valve and the bypass valve.
You may need to remove a cover to access it.
In this video we will explain how to operate them and what they do.
The day before we left on our last trip the temperature here dipped to about 16 degrees so i kept the heater on in the coach and placed a small space heater in the bay where all the water lines are.
Dear gary i own a 36 foot holiday rambler ambassador.
The morning we left all was fine.
In the last case you have a back check valve on the top water heater outlet and a single tee valve connecting the cold water line and bypass line.
Make sure the bottom valve is open and the bypass valve in the middle is closed.
Cold water comes in at the bottom and hot water comes out of the top of the heater.
I didn t see any sign of freezing so away we.