Troubleshooting a Gas Grill Valve Problem

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Gas grills typically use a separate tank of propane as a source of gas used to generate the grill's heat. You can replace this tank when it's empty. It connects to the flow regulator system of the grill when it's working properly. Manage the flow of propane with several different valves, including a manual valve at the base of the tank that you use to start the gas flow and automatic valves that the grill controls for safety reasons.

Leaks in Valves

  • Leaks in the gas tubes or valves are one of the most common problems for gas grills. Grills left outside are often exposed to many different types of weather elements, and the valves and tubing on the propane tank are often the first to develop cracks or wear out. When this happens, you will find that your burners produce only small flames or do not function properly at all.

    The difficulty is pinpointing the problem. Create a solution of very soapy water, and use a brush to wipe it on all your connections, especially the valves. Watch for any bubbles that develop, which often indicate a leak that is pushing against the soap film and allows you to find the spots where the propane seems to be leaking. Replace these valves and the associated tubing.

Valve Performance Problems

  • If your propane tank is not empty and the safety valve is shutting down automatically, your grill thinks there is a leak or a similar problem in the system. This valve cannot be overridden: instead check your entire system, including the propane tank itself, for any leaks. Turn the propane tank fully off, and use the soap test to find any possible leaks. Test the grill burner valves by opening and shutting them, which should also reset the safety valve. Disconnect the hose from the propane tank. Make sure there are no problems with it, reconnect it and try to use the grill again, turning the propane valve on only partially.

    Clean the burner valves if they do not seem to be working properly and everything else is in order since grease and dirt buildup can sometimes be a problem for these valves. If your valves seem to be working correctly, try switching to a different propane tank to see if the tank itself is faulty. The regulator, or the part of the valve that controls the gas flow, may also be faulty. You can also test this by switching to a new regulator valve to see if performance improves. If everything else seems in order, the regulator may have been permanently stuck in a warning position that restricts the flow of gas.

References

  • Photo Credit YAKUMO DIGITAL CAMERA image by b1sch from Fotolia.com
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