Turn the knob or lever clockwise to shut off the gas supply running into the grill. Remember " righty-tighty, lefty-loosey " to close and open valves.
[header] How to clean a gas grill [title] Turn off the gas supply to the grill. [step] You do not want to have dangerous gasses build up during the cleaning process that can lead to injury. [substeps] Locate the gas supply valve on the propane tank for lp grills and where the grill connects to the house for lng supplied grills.