Most rv manufacturers now do this at the factory.
Rv water heater check valve diagram.
The by pass system can be used to drain the water heater and to winterize the rv water system.
If you look at the rv plumbing diagram it can be placed anywhere on the hot orange or cold blue lines.
Are you confused by the bypass valves on the back of your water heater.
Open the handle of the temperature and pressure valve until water stops.
Installing a check valve at the water heater inlet curtailed that immediately.
The check valve is inside this.
Most rv manufactures today install water heater by pass systems on the rvs they sell.
Rv water heaters are powered by propane electricity or both.
This needs some anti freeze too.
Remove the screen that s attached to the water hook up.
More on that in a moment with the new anode installed you are now ready to remove and replace that noisy check valve.
Rv hot water heater check valve.
As water is pushed through the water lines some of that water is forced into the water heater s tank.
Your water pump should be off before adding the anti freeze.
Likewise with the by pass kit.
Inspect yours closely to ensure you find the right replacement part.
Check to see if the tank and system are full.
Open a faucet to release pressure that is inside.
As the water warms it rises to the top of the tank.
Or get creative if you can t.
Turn off the water supply.
The check valve line is where the rv and the city water first meet.
Ok i am hooked up to city water and have had several leaking problems and lines blowing off and faucet replacement in kitchen after all that was fixed now the new faucet cold is hot and hot is cold i can live with that but 3 days later turn on hot water and nothing comes out am i correct that my surflo.
For those just entering the rv lifestyle there is a check valve behind your city water hook up.
Turn off the water heater and let the water cool down.
This is where it got fun.
June 21st 2017.
In this video we will explain how to operate them and what they do.
See here for a diagram i drew showing the diverter winterizing valve and the two check valves.
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.
The water heater by pass system is used to separate the water heater from the rv s plumbing system.
On my 2004 winnebago sightseer the check valves are screwed right into the water heater inlet and outlet.
It installs at the rear of the water heater between the cold inlet and hot outlet tubes.
Close the valve then close the faucet finally turn the water back on.
