Service manual

2
75-535.11
Table 2.1 - Natural Gas - 2001 to 4500 ft. Elevations - PD/BD, PDP/BDP, PSH/BSH, model series “D”, “H”,“I”, & ,“O”
Table 2.2 - Natural Gas - 4501 to 5500 ft. Elevations - PD/BD, PDP/BDP, PSH/BSH, model series “D”, “H”,“I”, & ,“O”
Model Model Size
Type 30 50 75 100 125 130 150 170 175 200 225 250 280 300 340 350 400
PD/BD, PDP/BDP 30 50 75 100 125 - 150 - 175 200 - 250 - 300 - 350 400
Kit Suffix -33 -121 -127 -22 -23 - -128 - -15 -26 - -112 - -87 - -129 -126
Drill Size 42 31 25 31 29 - 25 - 30 28 - 22 - 25 - 27 28
Orifices in Kit 1 1 1 2 2 - 2 - 3 3 - 3 - 4 - 5 6
PSH/BSH - - - - - 130 150 170 - - 225 - 280 - 340 - -
Kit Suffix - - - - - 504 508 15 - - 513 - 95 - 522 - -
Drill Size - - - - - 29 31 30 - - 25 - 27 - 28 - -
Orifices in Kit - - - - - 2 3 3 - - 3 - 4 - 5 - -
Pressure
Switch in Kit - - - - - YES YES NO - - YES - NO - YES - -
- - 75 100 125 - 150 - 175 200 225 250 - 300 - 350 400
Kit Suffix - - -120 -22 -14 - -94 - -15 -122 -50 -10 - -92 - -97 -93
Drill Size - - 24 31 28 - 31 - 30 27 24 28 - 24 - 30 27
Orifices in Kit - - 1 2 2 - 3 - 3 3 3 4 - 4 - 6 6
Indoor Duct Furnaces Weatherproof Duct Furnaces
DFG, DBG, DCG, IFG, IBG, ICG HFG, HBG, HCG, HDG, HPG, OFG, OBG, OCG, ODG, OPG
DFP, DBP, DCP, IFP, IBP, ICP HFP, HBP, HCP, HDP, HPP, OFP, OBP, OCP, ODP, OPP
HIGH ALTITUDE ORIFICE KIT SELECTION GUIDE
Model Model Size
Type 30 50 75 100 125 130 150 170 175 200 225 250 280 300 340 350 400
PD/BD, PDP/BDP 30 50 75 100 125 - 150 - 175 200 - 250 - 300 - 350 400
Kit Suffix -30 -121 -120 -22 -23 - -90 - -15 -26 - -125 - -92 - -88 -126
Drill Size 41 31 24 31 29 - 24 - 30 28 - 21 - 24 - 26 28
Orifices in Kit 1 1 1 2 2 - 2 - 3 3 - 3 - 4 - 5 6
PSH/BSH - - - - - 130 150 170 - - 225 - 280 - 340 - -
Kit Suffix - - - - - 14 94 15 - - 50 - 44 - 129 - -
Drill Size - - - - - 28 31 30 - - 24 - 26 - 27 - -
Orifices in Kit - - - - - 2 3 3 - - 3 - 4 - 5 - -
Pressure
Switch in Kit - - - - - NO NO NO - - NO - NO - NO - -
- - 75 100 125 - 150 - 175 200 225 250 300 350 400
Kit Suffix - - -3 -22 -14 - -94 - -7 -8 -9 -10 - -11 - -85 -13
Drill Size - - 23 31 28 - 31 - 29 26 23 28 - 23 - 29 26
Orifices in Kit - - 1 2 2 - 3 - 3 3 3 4 - 4 - 6 6
All conversion kits have the same base part number 3H33231, only the suffix of the part number changes by model size.
Does not include DFS, DBS, DCS, IFS, IBS, ICS.