Rv City Water Connection Check Valve Leaking

Sometimes the little ball gets gummed up and doesn t seat correctly.

Rv city water connection check valve leaking. There is a one way check valve inside of the water pump and this often gets dislodged and stuck open. I figured what was happening is the check valve was leaking due to a dislodged worn or damaged o ring. Our city water connection has been weeping water when using the onboard water pump and fresh water tank for dry camping. With the pump off you may be able to reseat it by pressing the ball in slightly and letting it snap back a few times.

Open all cabinets in the area check under the sink and behind the toilet. They are not buried inside walls and are usually accessible for easy repair. Hello janelle you would have to check all of the plumbing in that area. For those just entering the rv lifestyle there is a check valve behind your city water hook up.

The city water connection has a check valve that s intended to prevent the back flow when the pump is running. You can do this by turning the water down but not off. That s because the water lines in most rvs are plastic pex pipe. Inside is a plastic check valve plunger a spring retaining clip and small rubber o ring.

Pex stands for cross linked polyethylene. When this happens water from the city water connection can flow backwards through the pump and into the freshwater tank. First you ll want to check that the water pressure isn t too high. Often times that valve will leak allowing city water into the tank.

If turning the water down makes the leaking stop and still allows for adequate water pressure inside the rv this was likely your problem and turning the pressure down is a great temporary solution. Sure enough once i got the. It could be a bad fitting bad connection cracked water line crack in the hot water tank water valve on rear of toilet leaking etc. In many cases a break or leak in an rv water supply line is often a literal snap to repair.