How to Troubleshoot a Propane Grill Regulator

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How to Troubleshoot a Propane Grill Regulator. Propane grill regulators control the flow of propane gas to the grill's cooking burners. These regulators often become fouled or clogged and must be cleaned or repaired. Troubleshooting the regulator's issue is an easy project that requires little time or effort. Following are tips on how to troubleshoot a propane grill regulator.

Inspect the propane grill regulator for any obvious obstructions. Leaves, dirt and insects are common culprits of clogged regulators.

Clear the center vent hole on the regulator by lightly tapping the unit. Remove any debris that results from this process. A burst of air may also clear the vent chamber of any debris.

Remove the O-ring connecting the regulator to the hose and inspect for damage. Replace the O-ring if there is any sign of wear or damage that may allow propane gas to escape.

Pour a small amount of soapy water over the regulator and hose. Inspect for any leaks. Repair any leaks immediately and replace any damaged hoses.

Listen to the propane tank gas regulator for any unusual noises. A rubber diaphragm within the unit vibrates on hot days or when the propane tank is over filled, causing a humming sound and possibly limited gas flow.

Tips & Warnings

  • Twist the brass regulator nut left or right when there is any humming noise to ensure a better flow of propane gas.
  • Use a bottle of compressed air to clear any internal obstructions in the regulator. Place the small canister hose through the regulator housing and blast the area with air.
  • Wear eye protection and use caution when working with propane gas.
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