What does a RV water heater check valve do?
NOTE: 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.
Where does the check valve go on a RV water heater?
Also, while you’re out there on the outside of the water heater, be sure the drain plug is not leaking. The check valve(s) (you may have two), however, are located on the back of the water heater, accessed from inside the coach.
What should I know about my suburban water heater?
Water Heater Troubleshooting & Repair (Suburban) This guide is intended to assist Heartland Owners in troubleshooting and repairing common failures of the Suburban Water Heater. This document doesn’t specifically cover the Atwood design.
How much does it cost to replace a hot water heater check valve?
This valve allows water to flow out of the water heater but not back in. Since it is a mechanical part with moving pieces, they can break down and malfunction over time. Fortunately, replacing one was rather inexpensive, around $5 to $10. A check valve for an RV hot water heater can be purchased through Amazon.
Where is the bypass valve on a trailer water heater?
On other trailer configurations, the bypass valve will usually be inside, near water connections to the water heater, accessible by way of a drawer or panel. Second, open a faucet and check that water flows equally when the faucet is full to Cold and full to Hot settings. CAUTION
What happens when your water heater is in bypass mode?
In bypass mode, with an empty water heater, the cold water supply will flow through both the hot and cold lines. If not certain whether in water heater bypass mode, carefully open the temperature / pressure relief valve. With city water flowing, or the pump pumping water, when the water heater is full, water will come out of the relief valve.
How do you replace a check valve on an RV water heater?
The first step to replacing the check valve is to turn off the water supply and drain your water heater. This is a good time to read how to replace your water heater anode and why, if you don’t already know. If you do know, have your new RV water heater anode on hand before starting.
Water Heater Troubleshooting & Repair (Suburban) This guide is intended to assist Heartland Owners in troubleshooting and repairing common failures of the Suburban Water Heater. This document doesn’t specifically cover the Atwood design.
What to do if your RV water heater is stuck?
Most RV service centers have a circuit board tester that can check all three functions of the board. A) No gas from valve – verify 12 volts is reaching the valve and it is grounded. If 12 volts is present, try lightly tapping the valve as it may be stuck, otherwise the valve most likely needs replacing.
What to do if water comes out of your water heater?
Here is what you will need to check: Pressurized freshwater is reaching the inlet of the water heater. This is most easily tested by opening the pressure relief valve located near the top of the water heater. If water comes out, it is not a supply problem.
