Another thing you should check is the gas water heater thermocouple this is the more likely candidate for issues with your gas valve.
Troubleshooting gas control valve water heater.
Burns and scalding can occur.
Do not turn off the water unless the water heater s power and gas are turned off.
This will make it safe to troubleshoot.
If problem persist you will need to replace the thermopile.
Make sure that the pilot control valve of the heater is turned off before you start repairing.
Turn the gas valve to the pilot setting and shut off the water to the heater.
Www handymanpf com i tear apart a gas hot water heater valve thermostat.
Turn off the gas supply by turning the gas pilot control valve to the pilot setting on the water s gas valve.
2 replace pilot assembly insufficient power to the gas control valve thermostat.
Replace and repair the parts of the water heater with caution.
Secure the water supply to the heater and drain the heater.
Because gas is involved problems with gas valves are a major safety concern.
The gas valve will not work properly when the thermocouple is defective.
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.
Often blamed on sediment in the tank the 4 flashes is one of the most common problems with the honeywell gas valve.
I have a propane gas water heater 50 gallon the water is cold we tried to relight the pilot but it failed we tried three times is it easy to remove the gas valve and install new one or do we need a plumber to repair that gas valve or may be the gas line to the burner everything is sealed or is better to replace the water heater it is.
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.
Before you determine that the gas control valve is faulty check the other components.
When replacing the thermopile you must replace the entire pilot assembly.
Take a look at the article water heater gas valve if you think your gas valve has gone bad.
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.
Gas control valve troubleshooting.
4 replace gas valve if the temperature has exceeded the limit the gas valve will need to be replaced.
Learn how to troubleshoot any issues that might come up when trying to fix your properties gas water heaters.
So we all can see what it is made of inside i do not recommend you try to rebuild.
For more information on a o.