92.1% AFUE
Heating input range 50,000-125,000 BTUH
Cooling capacity supported 1 1/2 - 5 ton
Downflow/horizontal right application flexibility
Electronic air cleaner connection (115V)
Humidifier connection (115V)
5 amp fused low voltage circuit protection
Time delay off for air conditioner SEER enhancement
Twinning Compatible
WARRANTY
Limited Lifetime warranty on heat exchanger, 5-years limited
warranty on covered components (see warranty certificate for
details)
HEAT EXCHANGER ASSEMBLY
Crimp-Tite™ crimped aluminized steel primary heat exchanger
for longer life and safe operation
Stainless steel secondary hat exchanger maximizes durability.
Ducane Gas Furnace
™
FITS-ALL 92
DOWNFLOW/HORIZONTAL-RIGHT
VENTING
Category IV appliance
Can be vented horizontally or vertically using 2” or 3”
Schedule 40 PVC, ABS, or CPVC (see installation manual
for details)
Approved for 2-pipe (direct vent) or single-pipe applications
Approved for installations with listed concentric vent kit
CONTROLS
Direct 115V Hot Surface Ignition system with LED diagnostic
for fast, accurate troubleshooting
Slow opening valve for quiet, smooth ignition
Electronic fan timer control
SAFETY
CSA certified for US and Canada
Safety limits prevent overheating
CABINET
Heavy-gauge, insulated cabinet provides strength and quiet comfort
Ducane diagnostic sleeve for fast, safe troubleshooting.
INDOOR AIR BLOWER
Three-speed PSC blower motor
THE DIFFERENCE IS QUALITY.
WWW.DUCANEHVAC.COM
™
Page 2
Ducane Gas Furnace
™
FITS-ALL 92
UNIT SPECIFICATIONS
CMPB050C3BCMPB075C3BCMPB100C4BCMPB125C5B
GASNATURAL (LP WITH CONVERSION KIT)
INPUT RATE (BTU per Hour)50,00075,000100,000125,000
AFUE (ISOLATED COMB. SYSTEM)92%
TEMPERATURE RISE35-65°F40-70°F
VOLTS/PHASE/HERTZ115/1/60
STATIC PRESSURE (certified max)0.50”W.C.
HEATING, AIR FLOW @ .20" STATIC (w/o FILTER)
COOLING, AIR FLOW @ .50" STATIC (w/o FILTER)
BLOWER MOTOR HORSEPOWER1/31/23/4
BLOWER WHEEL SIZE (dia x width)10 X 612 X 912 X 12
NUMBER OF HEAT EXCHANGERS2345
FLUE AND AIR INLET PIPE–DIAMETER
(schedule 40 PVC, ABS or CPVC used on all)
LIMIT CONTROL, SNAP DISC STYLE150°F170°F
GAS VALVE/IGNITION CONTROLINTEGRATED FURNACE CONTROL W/115V HSI SYSTEM
TRANSFORMER40 VA. 115 VAC PRIMARY, 24 VAC SECONDARY, FOOT-MOUNTED
MAXIMUM OUTLET TEMPERATURE180°F
SHIPPING WEIGHTS152158187217
NOTES: C= Counterflow (CMPB050C3)
1060CFM1280CFM1690CFM1940CFM
1205CFM1795CFM2115CFM
2”3”
AIR FLOW DATA
BLOWEREXTERNAL STATIC
MODEL NUMBERSPEED0.10.20.30.40.50.60.70.80.91.0
CMPB050C3B LOW1080106010301000965905840765655525
(10 X 6 WHEEL, 1/3 HP MOTOR)MED133012801225117511101040965875770630
CMPB075C3BLOW1080106010301000965905840765655525
(10 X 6 WHEEL, 1/3 HP MOTOR)MED133012801225117511101040965875770630
FLOOR BASE KIT FOR COUNTERFLOW20066503200665032006650120066502
NATURAL TO LP GAS CONVERSION KIT20490602
LP TO NATURAL GAS CONVERSION KIT20272002
NATURAL TO LP GAS CONVERSION KIT