No hot water
I have a 2016 Vengeance 39R12. When we have the hot water bypass valve set to normal, no water comes out when we turn on the hot water. There is no check valve coming out of the hot side of the hot ...
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Every RV hot water that I've worked with has at least two or three valves depending on configuration. If it's a three-valve system and the bypass valve is in closed position with the other two valves also shut off, no water will flow. I'd check for two other valves on the inlet and discharge side of the hot water heater.
