Used our rv 3 weeks ago no issue. This weekend we take a trip and the hot water is not coming out of the faucets or shower. The heater is working and tank is getting hot. I drained the tank today and ...
I was thinking I could be a check valve I did take the plastic line off the top of tank when it was drained and saw a compression fitting looking thing there. Are all rv check valves they same? And is that the piece at the top outlet of the tank? Thanks