Rv Water Heater Check Valve Diagram
As water is pushed through the water lines some of that water is forced into the water heater s tank.
Rv water heater check valve diagram. Are you confused by the bypass valves on the back of your water heater. Rv hot water heater check valve. This is where it got fun. The check valve line is where the rv and the city water first meet.
In this video we will explain how to operate them and what they do. Or get creative if you can t. Turn off the water heater and let the water cool down. The check valve is inside this.
The water heater by pass system is used to separate the water heater from the rv s plumbing system. Turn off the water supply. Open the handle of the temperature and pressure valve until water stops. More on that in a moment with the new anode installed you are now ready to remove and replace that noisy check valve.
Inspect yours closely to ensure you find the right replacement part. Most rv water heaters use 1 2 male to male check valves. 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. As long as you flush the water heater out once or twice a year this too shouldn t be a problem.
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. 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. Open a faucet to release pressure that is inside. Rv water heaters are powered by propane electricity or both.
Most rv manufactures today install water heater by pass systems on the rvs they sell. Remove the screen that s attached to the water hook up. But to be safe it might be wise to reinstall one when you get a chance. See here for a diagram i drew showing the diverter winterizing valve and the two check valves.
Your water pump should be off before adding the anti freeze. Check to see if the tank and system are full. The by pass system can be used to drain the water heater and to winterize the rv water system. As the water warms it rises to the top of the tank.
They look like brass nipples maybe 1 1 2 to 2 inches long. Close the valve then close the faucet finally turn the water back on. For those just entering the rv lifestyle there is a check valve behind your city water hook up. When the by pass system is used it takes the cold water going.
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.