Nexgrill EVOLUTION INFRARED PLUS 720-0882AE Owner's Manual page 22

Adjust High/Low Flame Setting Screw
When converting from LP to Natural gas, you will need
to adjust the high flame setting screw for ideal burner
flame height.
1. Remove each control knob for the main burners
and side burner
2. Use a flat-blade screwdriver to turn the high flame
setscrew clockwise approximate 90º.
3. Check that burner operates at the new high flame
setting. It may be necessary to adjust the screw
setting slightly more to get the ideal burner flame
height.
4. Replace the control knob and turn off the burner.
5. Repeat steps 3 through 6 for each burner if needed.
6. Replace the flame tamers and grates after the burners
have been cooled.
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