Troubleshooting a failed gas valve requires a few tools that most hvac technicians regularly have in their tool bags.
Gas control or valve failure.
It could be the gas pilot valve.
You may find that getting an exact match to the one you have difficult.
Step 1 check for coil burnout.
The following steps will show you how to troubleshoot gas control valve solenoids.
The gas valve will not work properly when the thermocouple is defective.
Gas control valve troubleshooting.
A stuck valve could release gas into the air without regulation or the valve could cause the unit not to fire up at all.
Unfortunately gas control valves can fail ad leave your water heater useless.
The gas pilot valve is the piece that supplies fire to the gas.
Because gas is involved problems with gas valves are a major safety concern.
Before you determine that the gas control valve is faulty check the other components.
Gas valve troubleshooting gas valves used in a modern state of the art residential gas furnaces are typically controlled via a state of the art electronic ignition control or a printed circuit board.
The first thing you need to do is shut off the gas to the hot water tank.
Coil burnout failure to open failure to close or solenoid valve noise.
If you get this code and have lukewarm water and the pilot is still on try turning up the temperature.
If solenoid valves are malfunctioning dangerous pressure might build up and cause damage.
Control valve failure the information on this web site is supplemental to the printed instructions that came with your water heater.
If the pilot isn t the issue then replacing the gas valve should correct the problem.
A gas control valve is one of the most important parts on a gas water heater.
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.
Shutting off the gas.
Gas valves can be found on gas furnaces gas fired steam boilers or hot water boilers and gas fired water heaters.
Before you can replace your water heater gas valve you need to purchase a new one.
If the valve is the cause then a professional will likely need to repair this.
5 replace gas valve this indicates a sensor failure and the gas control valve must be replaced.
Gas valve failure troubleshooting in residential furnace and commercial rtu.
Other types of gas valves include the standing pilot gas valve.
7 replace gas valve overall failure of the gas valve and will usually require replacement.
Troubleshooting the valve and looking for known common issues will give you peace of mind by ensuring the safe operation of your honeywell appliance.
There are four possible reasons for solenoid valves malfunction.
If the valve is working hot water shouldn t be an issue.
