Water Heater Gas Control Valve Troubleshooting

Before you determine that the gas control valve is faulty check the other components.

Water heater gas control valve troubleshooting.

Make sure that the pilot control valve of the heater is turned off before you start repairing. Replace and repair the parts of the water heater with caution. A stuck valve could release gas into the air without regulation or the valve could cause the unit not to fire up at all. Because gas is involved problems with gas valves are a major safety concern.

Troubleshooting the gas control valve will help you determine whether the valve is faulty or whether there is a problem with the thermostat heat limiter the pilot or even the gas burner. Use soapy water to check for leaks. Never use a lighter or any kind of flame to check for gas leaks. This will make it safe to troubleshoot.

When replacing the thermopile you must replace the entire pilot assembly. Make sure the dial on the water heater gas valve is set to off. Turn off the gas supply by turning the gas pilot control valve to the pilot setting on the water s gas valve. Before you start any kind of troubleshooting you should make sure the power to the heater is turned off.

Turn the gas valve to the pilot setting and shut off the water to the heater. A gas control valve is one of the most important parts on a gas water heater. Proper gas valve adjustment can save your home from a devastating fire. Turn the shut off valve on the gas line to the on position parallel with the gas line.

Continue reading below our video of the day. 2 replace pilot assembly insufficient power to the gas control valve thermostat. Check all wiring connections. 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.

Secure the water supply to the heater and drain the heater. If problem persist you will need to replace the thermopile. 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. Unfortunately gas control valves can fail ad leave your water heater useless.

If so and the boiler or furnace isn t firing up then you need a new gas valve. So we all can see what it is made of inside i do not recommend you try to rebuild. Always refer to the user manual for troubleshooting tips it can solve the problem more often than not. Do not turn off the water unless the water heater s power and gas are turned off.

4 replace gas valve if the temperature has exceeded the limit the gas valve will need to be replaced.