Installation Guide

55
NG/LP Orifice Chart for Surface and Oven Burners
COS-GRP366 (36")
Burner Placement
NG Orifice
Size (mm)
LP Orifice
Size (mm)
Rating
(BTU)
Rapid Front Left 1.79 1.16 15,000
Auxiliary 1.07 Front Middle 0.74 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
Semi Rapid Rear Middle 1.36 0.90 9,000
Rapid Rear Right 1.57 1.00 12,000
Broil Oven Top 1.42 0.94 10,000
Bake Oven Bottom 2.13 1.40 22,000
6,000 BTU
NG: 1.07
LP: 0.74
9,000 BTU
NG: 1.36
LP: 0.90
20,000 BTU
NG: 1.36 x 2 (outer)
0.73 (center)
LP: 0.89 x 2 (outer)
0.53 (center)
12,000 BTU
NG: 1.57
LP: 1.00
15,000 BTU
NG: 1.79
LP: 1.16
9,000 BTU
NG: 1.36
LP: 0.90