The fix is easy and you can probably do it yourself.
Rv water pump check valve.
It also has a self priming operation which is important for an rv water pump.
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Go whole hog and replace the pump itself.
The arrow on the check valve should be pointing towards the water pump.
When this little known part fails it allows water to flow backward through the pump into the freshwater tank anytime you re hooked up to city water.
The problem was a bad check valve on the water pump.
The hose coming from the fresh water tank also has the typical switch for winterizing.
This valve tells the water pump when to stop.
The check valve should go on the hose coming from the fresh water tank.
Inside is a plastic check valve plunger a spring retaining clip and small rubber o ring.
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.
The valve is meant to prevent city water from leaking into the fresh water tank.
Add your own 1 way check valve to the water line on the inlet side of the pump.
Inside is a plastic check valve plunger a spring retaining clip and small rub.
Rv water pump rv check valve rv city water inlet with check valve.
Our city water connection has been weeping water when using the onboard water pump and fresh water tank for dry camping.
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Does it matter if the check valve is place before or after the switch.
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The product also has a check valve that prevents reverse flow to damage the system.
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.
When shopping around for an rv freshwater pump you should also look for one that is suitable for different uses.
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.
Pump it up with rv fresh water pumps.
In this video i remove and disassemble the rv s city water input connection.
The first thing to do is check for a broken check valve.
Get it as soon as thu oct 8.
Check amazon or rv water filter store for options.
Rv water pumps should turn on every time you flush the toilet or turn on a faucet.
