Hot Water Heater Gas Valve Failure

Here s what you need to know about replacing your water heater s gas control valve.

Hot water heater gas valve failure.

Before you can replace your water heater gas valve you need to purchase a new one. A bad gas valve in a honeywell appliance such as a water heater or furnace that is powered by natural gas can go bad and affect the performance of the unit. Any issue in any of these components will cause or facilitate sooting. A stuck valve could release gas into the air without regulation or the valve could cause the unit not to fire up at all.

Shutting off the gas. Water dripping from your pressure relief valve is a good sign it means that the valve is working properly and your heater is not overheating. Check the gas supply ignition insulation of the electrode the thermostat the ground wire of the gas valve and grounding in general. How to diagnose and repair a faulty atmospherically vented gas fired water heater.

Water heater problems that may be caused by the gas control valve include a faulty hot water heater thermostat faulty gas valve pilot light that won t light and tripped heat limiter. 5 replace gas valve this indicates a sensor failure and the gas control valve must be replaced. 7 replace gas valve overall failure of the gas valve and will usually require replacement. If the pilot isn t the issue then replacing the gas valve should correct the problem.

If the valve is the cause then a professional will likely need to repair this. Water heaters can explode if the pressure is not relieved so if there is water leaking then it means that the pressure in your tank is exceeding the point where it can be relieved. Example tank is a john wood 40 gallo. If you get this code and have lukewarm water and the pilot is still on try turning up the temperature.

Common problems and how to fix them. You may find that getting an exact match to the one you have difficult. It could be the gas pilot valve. Because gas is involved problems with gas valves are a major safety concern.

The gas pilot valve is the piece that supplies fire to the gas. The pilot is the most common reason for a lack of hot water. You can easily clean the components align them correctly tighten loose components ensure proper grounding and adequate gas supply. 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.