Conclusion on water pump troubleshooting.
Rv water pump check valve leaking.
Check amazon or rv water filter store for options.
Go whole hog and replace the pump itself.
The first thing to do is check for a broken check valve.
For those just entering the rv lifestyle there is a check valve behind your city water hook up.
Rv water pump leaking.
Install a new check valve and make sure the arrow is pointing at the freshwater tank.
These water pump problems are just a few of the usual issues people have with the water system in their rvs.
If after you complete your tasks and turn off the water and the pump continues to run and run your rv water pump is likely leaking somewhere.
How can i repair a leaking rv water pump.
The valve is designed to let pressured city water enter the rv s plumbing system when hooked to a charged hose bib via your water hose in an rv park and prevent the water pump from pumping water out of your potable water tank onto the ground when not hooked to a charged hose bib.
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.
This is usually on a tube hose connecting the water pump to the freshwater tank.