Gas Control Or Valve Failure

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