Owners Manual
NATURAL GAS (NG) TO LIQUEFIED PETROLEUM (LP) GAS CONVERSION
INSTALLATION AND SERVICING MUST BE PERFORMED BY A QUALIFIED INSTALLER. SAVE THIS
MANUAL FOR THE LOCAL INSPECTOR’S USE. READ AND SAVE THESE INSTRUCTIONS FOR FUTURE
REFERENCE.
WARNING!: This conversion kit must be installed by a qualified service technician in
accordance with the manufacturer's instructions and all applicable codes and requirements of the
authority having jurisdiction. Failure to follow instructions may result in fire, explosion or
production of carbon monoxide causing property damage, personal injury or loss of life. The
qualified service agency is responsible for the proper installation of this kit. The installation is not
proper and complete until the operation of the converted appliance is checked as specified in the
manufacturer's instructions supplied with this kit.
WARNING!: Before proceeding with the conversion, shut off the gas supply before
disconnecting electrical power to the range. Be sure power supplies are off before installing the
conversion kit. Failure to do so could cause serious bodily injury.
Determine the combination of top burners that are featured on your cooktop. Identify the parts
you need from this kit to complete the LP conversion. To order the LP Conversion Kit for your
cooktop model, please visit cosmoappliances.com.
INSTALLATION INSTRUCTIONS
17
Changing the Burner Nozzles
Lift up the burners and unscrew the nozzles
using an adjustable 7mm wrench, then replace
with nozzles designed for the gas supply you are
converting to.
IMPORTANT!: Save the nozzles/orifices
removed from the cooktop for future use.
Burner BTU & Orifice Sizes (From NG to LP)
COS-GRT304
Left Front, 18,000 BTU: 1.08 mm
Left Rear, 4,200 BTU: 0.65 mm
Right Front, 13,000 BTU: 0.90 mm
Right Rear, 8,500 BTU: 0.83 mm
COS-GRT366
Left Front, 18,000 BTU: 1.08 mm
Left Rear, 13,000 BTU: 0.90 mm
Mid Front, 8,500 BTU: 0.83 mm
Mid Rear, 8,500 BTU: 0.83 mm
Right Front, 13,000 BTU: 0.90 mm
Right Rear, 4,200 BTU: 0.65 mm
COS-GRT486G
Left Front, 12,000 BTU: 1.0 mm
Left Rear, 12,000 BTU: 1.0 mm
Griddle, 15,000 BTU: 1.16 mm
Mid Front, 18,000 BTU: 1.22 mm / 1.24 mm
Mid Rear, 12,000 BTU: 1.0 mm
Right Front, 12,000 BTU: 1.0 mm
Right Rear, 12,000 BTU: 1.0 mm