Nexgrill Deluxe 720-0864RA Owner's Manual page 21

Change Main Burner Valve Orifices
1. Remove the grates and flame tamers.
2. Remove the screw and the pin that hold the burner in
place. Set aside the screw and pin.
3. Remove the burner from the grill by lifting the burner out.
4. Use a 6 mm socket and wrench or 6 mm nut driver to
remove the brass orifice from the end of gas valve.
5. Replace with the Natural gas orifice.
IMPORTANT: Check that the orifice is properly installed
inside of the burner opening.
6. Position the igniters so they are 1/8" (3.2 mm) away
from each burner.
7. Reinsert the burner and reattach using the pin
previously removed. Repeat the procedure for each
main burner.
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