2000 Fleetwood Terry water heater
- Thread starter cortni
- Start date
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Alfa38User
Well-known member
- Joined
- Oct 4, 2007
- Posts
- 6,678
Most likely!! There is usually one on the output (top) of the water heater itself and is often screwed into it. In many cases it looks like a big brass fitting between the output and the piping.. (You may also have one on the input as well, depending on the winterizing system installed.)
Gary RV_Wizard
Site Team
More likely the bypass (winterizing) valve(s) is turned to bypass the heater tank.
Gary RV_Wizard
Site Team
Whether or not there is a check valve depends on the design of the system. A three valve or two valve bypass does not use a check valve, but a single valve bypass does.
Gary RV_Wizard
Site Team
Thanks for letting us know - glad to hear you are good to go again.
