Originally Posted by RC08
I have attempted everything that has been mentioned. still only hot water for 3 minutes and then cold and now the relief valve is dripping on an off like the tank is over heating so I guess it is time to call the dealer and let them figure it out on warranty.
As far as relief dripping, the hw tank needs an air pocket to operate correctly. Turn the heaters off and run it cold. Shut the water off to the trailer and drain the tank. Refill the tank and see if it drips again when you heat the water up.