Rv Water Heater Check Valve Diagram

As long as you flush the water heater out once or twice a year this too shouldn t be a problem.

Rv water heater check valve diagram.

For those just entering the rv lifestyle there is a check valve behind your city water hook up. Open a faucet to release pressure that is inside. The by pass system can be used to drain the water heater and to winterize the rv water system. Your water pump should be off before adding the anti freeze.

Or get creative if you can t. Your rv plumbing system needs to separate itself between grey and black waste and water storage or constant city supply remember an rv is designed and built to. More on that in a moment with the new anode installed you are now ready to remove and replace that noisy check valve. Turn off the water supply.

See here for a diagram i drew showing the diverter winterizing valve and the two check valves. Rv hot water heater check valve. They look like brass nipples maybe 1 1 2 to 2 inches long. Most rv water heaters use 1 2 male to male check valves.

This is where it got fun. The water heater by pass system is used to separate the water heater from the rv s plumbing system. Rv water heaters are powered by propane electricity or both. 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.

On my 2004 winnebago sightseer the check valves are screwed right into the water heater inlet and outlet. Turn off the water heater and let the water cool down. Inspect yours closely to ensure you find the right replacement part. But to be safe it might be wise to reinstall one when you get a chance.

Close the valve then close the faucet finally turn the water back on. As the water warms it rises to the top of the tank. Remove the screen that s attached to the water hook up. If you look at the rv plumbing diagram it can be placed anywhere on the hot orange or cold blue lines.

This needs some anti freeze too. Having a check valve at the cold inlet to the heater also prevents mineral deposits and residue from backing into the cold system from inside the water heater. Most rv manufactures today install water heater by pass systems on the rvs they sell. In this video we will explain how to operate them and what they do.

Water comes in from the city pressurizes everything including your water heater goes down a common drain and away from you to a city sewer disposal plant or your own septic system. Are you confused by the bypass valves on the back of your water heater. The check valve is inside this. When the by pass system is used it takes the cold water going.

Open the handle of the temperature and pressure valve until water stops.