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.
Rv water heater check valve location.
This needs some anti freeze too.
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Installing a check valve at the water heater inlet curtailed that immediately.
If you have reduced hot water flow in your rv it might be your check valve.
The first step to replacing the check valve is to turn off the water supply and drain your water heater.
Your water pump should be off before adding the anti freeze.
The check valve on your rv water heater keeps the hot water flowing in one direction out of the heater while preventing the back flow of any water from your plumbing to enter back in.
If you never winterize your rv this simple fix that takes less than 3 minutes m.
The check valve is inside this.
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How to replace rv water heater check valve.
But like the bypass valves if those check valves are made of plastic i d replace them with brass valves.
This valve allows water to flow out of the water heater but not back in.
Turn off the water heater and let the water cool down.
The check valve line is where the rv and the city water first meet.
Likewise with the by pass kit.
It installs at the rear of the water heater between the cold inlet and hot outlet tubes.
Open a faucet to release pressure that is inside.
Rv hot water heater check valve.
Turn off the water supply.
Since it is a mechanical part with moving pieces they can break down and malfunctio.
Aqua pro 20818 1 2 x 1 2 lead free male check valve.
Most rv manufacturers now do this at the factory.
For those just entering the rv lifestyle there is a check valve behind your city water hook up.
Close the valve then close the faucet finally turn the water back on.
Remove the screen that s attached to the water hook up.
Valterra 1 2 inch p23415lf brass 1 2 check valve x mpt.
But to be safe it might be wise to reinstall one when you get a chance.
Check to see if the tank and system are full.
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As long as you flush the water heater out once or twice a year this too shouldn t be a problem.