Installation Guide

56
COS-GRP486G (48")
Burner
NG/LP Orifice Chart for Surface and Oven Burners
Placement
NG Orifice
Size (mm)
LP Orifice
Size (mm)
Rating
(BTU)
Auxiliary 1.07 Front Left 0.74 6,000
Double
Ring
Front Middle Left
1.36 x 2
0.73 (center)
0.89 x 2
0.53 (center)
20,000
Auxiliary 1.07 0.74 Front Middle Right 6,000
Double
Ring
Front Right
1.36 x 2
0.73 (center)
0.89 x 2
0.53 (center)
20,000
Semi Rapid Rear Left 1.36 0.90 9,000
Rapid 1.57 Rear Middle Left 1.00 12,000
Semi Rapid 1.36 Rear Middle Right 0.90 9,000
Rapid Rear Right 1.57 1.00 12,000
Broil Main Oven Top 1.42 0.94 10,000
Bake 2.13 Main Oven Bottom 1.40 22,000
Bake 1.68 Sub Oven Bottom 1.09 14,000
20,000 BTU
NG: 1.36 x 2 (outer)
0.73 (center)
LP: 0.89 x 2 (outer)
0.53 (center)
6,000 BTU
NG: 1.07
LP: 0.74
9,000 BTU
NG: 1.36
LP: 0.90
12,000 BTU
NG: 1.57
LP: 1.00
20,000 BTU
NG: 1.36 x 2 (outer)
0.73 (center)
LP: 0.89 x 2 (outer)
0.53 (center)
6,000 BTU
NG: 1.07
LP: 0.74
9,000 BTU
NG: 1.36
LP: 0.90
12,000 BTU
NG: 1.57
LP: 1.00