Turn it off and let it cool down before you open it.
Rv hot water bypass valve leaking.
Cold water comes in at the bottom and hot water comes out of the top of the heater.
You need to winterize the water heater also.
Troubleshooting problems with your.
Don t open the drain plug on the water heater while it s hot when you re winterizing or sanitizing the water system.
If your rv has a bypass valve these two pipes will be connected directly to each other using a third pipe.
So far we replaced the hot water heater bypass valve no change flushing the fresh water tank several times after adding clr.
Go whole hog and replace the pump itself.
Nothing like taking cold showers.
Add your own 1 way check valve to the water line on the inlet side of the pump.
Before any of that of course the first thing i do is after draining the water from the system and water heater is put the water heater in the bypass mode.
Check for a rebuild kit for the water pump and find out if the internal check valve is a user serviceable part some art some are not.
To do this you need to add some air into the water heater because if there is no air in the water heater to compress when the water gets hot the valve will leak.
Install hot water heater bypass valve.
I ve run out of things to check.
Check amazon or rv water filter store for options.
This bypass valve helps prevent any freezing of the valves so that your water heater does not freeze during the winter.
The rv water system due to check values in the water system is a sealed system unlike a home water system that is open.
Flushing the water heater storage holding tank several times.
If a leak on your water heater is suspected after doing all the steps above the power and water valve must be switched off.
Hot water pressure very lot water is hot.
Drain and close the bypass valve or you ll need up to 10 more gallons of antifreeze.
Do note that it is advisable for you to stop running your water heater as soon as you discover a possible leak particularly if you are still some distance away from the nearest town or city where you can get in touch with a contractor.