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GAS PRESSURE REFERENCE
GAS PRESSURE
Pressure Value
Gas supply line pressure
Natural gas and liquid propane maximum 14" wc
Natural gas minimum 7" wc
Liquid propane minimum 11" wc
Natural gas manifold pressure 5" wc
Liquid propane manifold pressure 10" wc
ORIFICE QUICK REFERENCE CHART
Part Description Part Number Orifice Size
Part Number Stamped Size
Burner valve, 18K, Nat. 827463
Simmer 817308 62 .79 mm
Main 819770 67 .67 mm
Burner valve, 18K, LP 828043
Simmer 816465 43 .43 mm
Main 816465 43 .43 mm
Burner valve, 12K, Nat. 827462
Simmer 816788 50 .50 mm
Main 816731 57 .57 mm
Burner valve, 12K, LP 827486
Simmer 816538 33 .33 mm
Main 817372 38 .38 mm
Burner valve, 9.2K, Nat. 827466
Simmer 816788 50 .50 mm
Main 816610 54 .54 mm
Burner valve, 9.2K, LP 828132
Simmer 816538 33 .33 mm
Main 816823 34 .34 mm
Orifice holder, 20K, Nat. 826443
Simmer 817193 79 .79 mm
Main 824936 205 2.05 mm
Orifice holder, 20K, LP 826444
Simmer 817192 47 .79 mm
Main 824937 132 2.05 mm
Orifice holder, 18K, Nat. 823061
Simmer 817193 79 .79 mm
Main 824936 205 2.05 mm
Orifice holder, 18K, LP 823074
Simmer 817192 47 .47 mm
Main 824937 132 1.35 mm
Orifice holder, 12K, Nat. 819299
Simmer 816749 65 .65 mm
Main 816750 159 1.59 mm
Orifice holder, 12K, LP 824288
Simmer 817192 47 .47 mm
Main 819768 105 1.05 mm
Orifice holder, 9.2K, Nat. 819297
Simmer 816749 65 .65 mm
Main 816664 140 1.40 mm
Orifice holder, 9.2K, LP 819298
Simmer 817371 41 .41 mm
Main 817370 93 .93 mm
Note: Natural gas units installed over 9,900 ft may require a high altitude conversion kit.
CG Contemporary Gas Cooktop Service Manual
Technical Data
TECHNICAL DATA
service.subzero.com
828389 REV. A 06/2018
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