Rv Water Heater Check Valve Noise

This is where it got fun.

Rv water heater check valve noise.

In this video i locate and replace a faulty brass 1 2 check valve one way valve in the rv water heater output piping. Or get creative if you can t. If you never winterize your rv this simple fix that takes less than 3 minutes m. Debris can get stuck in the hot water outlet creating a whistling noise.

Parts and tools required for rv water heater service. For those just entering the rv lifestyle there is a check valve behind your city water hook up. No hot water if you have no hot water check to see if the bypass valve is in the correct position. 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.

If you have reduced hot water flow in your rv it might be your check valve. Another cause for a noisy water heater either on gas or electric can be a plugged check valve. 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.

As long as you flush the water heater out once or twice a year this too shouldn t be a problem. I was able to narrow down the problem to the check valve while doing my routine water heater flushing. 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. It turns out the rubber o ring had split and the spring was vibrating against the brass casing making a heck of a racket.