They look like brass nipples maybe 1 1 2 to 2 inches long.
Rv water heater check valve diagram.
Close the valve then close the faucet finally turn the water back on.
June 21st 2017.
Check to see if the tank and system are full.
As water is pushed through the water lines some of that water is forced into the water heater s tank.
More on that in a moment with the new anode installed you are now ready to remove and replace that noisy check valve.
Open a faucet to release pressure that is inside.
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.
In this video we will explain how to operate them and what they do.
The by pass system can be used to drain the water heater and to winterize the rv water system.
Likewise with the by pass kit.
Are you confused by the bypass valves on the back of your water heater.
As the water warms it rises to the top of the tank.
Most rv manufactures today install water heater by pass systems on the rvs they sell.
For those just entering the rv lifestyle there is a check valve behind your city water hook up.
This needs some anti freeze too.
Turn off the water supply.
If you look at the rv plumbing diagram it can be placed anywhere on the hot orange or cold blue lines.
Rv hot water heater check valve.
When the by pass system is used it takes the cold water going.
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.
Turn off the water heater and let the water cool down.
Or get creative if you can t.
It installs at the rear of the water heater between the cold inlet and hot outlet tubes.
See here for a diagram i drew showing the diverter winterizing valve and the two check valves.
Inspect yours closely to ensure you find the right replacement part.
Rv water heaters are powered by propane electricity or both.
Open the handle of the temperature and pressure valve until water stops.
Remove the screen that s attached to the water hook up.
Installing a check valve at the water heater inlet curtailed that immediately.
This is where it got fun.
On my 2004 winnebago sightseer the check valves are screwed right into the water heater inlet and outlet.
Most rv manufacturers now do this at the factory.
The check valve line is where the rv and the city water first meet.
The water heater by pass system is used to separate the water heater from the rv s plumbing system.
