Hot Water Heater Gas Valve Troubleshooting

When you see water that appears to be leaking from the bottom of a gas water heater it could be because of condensation try turning up the thermostat a leaking or loose drain valve or the t p valve draining some water through the overflow pipe due to tank overpressurization.

Hot water heater gas valve troubleshooting.

For electric hot water heaters start troubleshooting with a quick reset. Sometimes the thermocouple just needs an adjustment so that the tip lines back up with pilot light flame. Shutting off the gas. There should not be a flame up there if the valve is working correctly.

Gas hot water heater troubleshooting usually leads you to the thermocouple. If you don t get a spark your system could have an electrode that is bent or carbon grounding. Common problems and how to fix them. If the valve is working hot water shouldn t be an issue.

Locate the hot surface igniter and look for a spark or glow there. This is done at the shut off valve that is in the gas line. The pilot is the most common reason for a lack of hot water. Turn off the gas supply valve to your appliance to test whether your valve is capable of shutting down properly.

How to diagnose and repair a faulty atmospherically vented gas fired water heater. Set the thermostat or the device s controller slightly above the current room temperature. Do not turn off the water unless the water heater s power and gas are turned off. The thermocouple is a safety device that stops gas flow when the pilot light goes out.

Turn off the gas supply by turning the gas pilot control valve to the pilot setting on the water s gas valve. Again easy fix quick solution. Shut off the water supply to the water heater if necessary by closing the shutoff valve on the cold water pipe coming into the top of the heater tank. Before you determine that the gas control valve is faulty check the other components.

Example tank is a john wood 40 gallo. Turn off the water heater for a few minutes and then turn it back on. If the pilot isn t the issue then replacing the gas valve should correct the problem. The last step of the rv water heater troubleshooting process is to turn off the lp system to check for a spark.

If the valve is the cause then a professional will likely need to repair this. You may find that getting an exact match to the one you have difficult. A bad gas valve will not allow any gas to go to the burner or pilot light. Okay but what if you get through each of these steps and still can t figure out what s wrong.

It could be the gas pilot valve. Go to the article gas water heater thermocouple issues for information on this common repair. The gas pilot valve is the piece that supplies fire to the gas. The other less common problem would be the gas valve.