Brinkmann Porcelain 4 Burner Gas Grill Owner's Manual page 12

Note: Observe flame height when lit: Flame
should be a Blue/Yellow color between
1"–2" when burner is on "HIGH".
TURNING OFF THE GRILL:
1. Turn off the cylinder valve.
2. Turn all burner control knobs to the "OFF" position.
Note: Turn off LP cylinder first to prevent gas from being left in the system under pressure.
CAUTION:
• The cylinder valve should always be in the off,
or closed, position when the grill is not in use.
11
To turn off the cylinder valve,
turn knob clockwise until it stops.