ORIFICE CHART - NATURAL
GAS (LP Gas Shown Below) The
following chart indicates main burner orifice selections for vent-free models
only. Do not deviate from this chart due to some models operating at different
pressures.
MODEL
ORIFICE PART
#
DRILL SIZE
MODEL
ORIFICE PART
#
DRILL SIZE
DRC 25
6094-6009
#47
DRC 12RST
6094-6012
#51
DRC 12
6094-6006
#43
DRC 20RST
6094-6007
#44
DRC 30RST
6094-6114
#37
DRC 12A
6094-6016
#55
DRC 40RST
6094-6148
1/8"
DRC 20A
6094-6011
#50
DRC 28A
6094.6008
#45
DRC 12T
6094-6012
#51
DRC 40A
6094-6005
#40
DRC 20T
6094-6007
#44
DRC 30T
6094-6114
#37
DRC 12B
6094-6016
#55
DRC 40T
6094-6148
1/8"
DRC 20B
6094-6011
#50
DRC 30B
6094-6007
#44
DRC 12CT
6094-6012
#51
DRC 40B
6094-6005
#40
DRC 20CT
6094-6007
#44
DRC 30CT
6094-6114
#37
DRC 12C
6094-6013
#52
DRC 40CT
6094-6148
1/8"
DRC 20C
6094-6008
#45
DRC 30C
6094-6004
#38
DRC 12E
6094-6012
#51
DRC 40C
6094-6002
#32
DRC 20E
6094-6007
#44
DRC 30E
6094-6114
#37
DRC 12AM
6094-6016
#55
DRC 40E
6094-6148
1/8"
DRC 20AM
6094-6011
#50
DRC 28AM
6094-6008
#45
DRC 12ES
6094-6011
#50
DRC 40AM
6094-6005
#40
DRC 20ES
6094-6006
#43
DRC 30ES
6094-6003
#35
DRC 12CM
6094-6016
#55
DRC 40ES
6094-6001
#30
DRC 20CM
6094-6011
#50
DRC 30CM
6094-6007
#44
DWC 10
6094-6017
#56
DRC 40CM
6094-6005
#40
DWC 18
6094-6013
#52
DWC 25
6094-6009
#47
DRC 12FM
6094-6013
#52
DRC 20FM
6094-6007
#44
DWC 10M
6094-6100
#56
DRC 30FM
6094-6004
#38
DWC 18M
6094-6095
#52
DRC 40FM
6094-6002
#32
DWC 25M
6094-6081
#47
DRC 12RM
6094-6012
#51
DWC 10FM
6094-6135
#54
DRC 20RM
6094-6007
#44
DWC 18FM
6094-6137
#49
DRC 30RM
6094-6114
#37
DWC 25FM
6094-6136
#43
DRC 40RM
6094-6148
1/8"
ORIFICE CHART - LP
GAS (Natural Gas Shown Above) The
following chart indicates main burner orifice selections for vent-free models
only. Do not deviate from this chart due to some models operating at different
pressures.
