Lennox G26 Series User Manual

Page 3
SPECIFICATIONS
Model No. G26Q3/4-100 G26Q4/5-100 G26Q3/4-125 G26Q4/5-125
Input Btuh (kW) 100,000 (29.3) 125,000 (36.6)
Output Btuh (kW) 91,000 (26.7) 93,000 (27.2) 115,000 (33.7) 116,000 (34.0)
A.F.U.E. 92.0% 92.0% 91.0% 92.0%
California Seasonal Efficiency 86.6% 85.8% 87.5% 87.0%
Exhaust pipe connection (PVC) diameter in. (mm) 2 (51)
Intake pipe connection (PVC) diameter in. (mm) 3 (76)
Condensate drain connection (PVC) in. (mm) 1/2 (12.7)
Temperature rise range  F (C) 50−80 (28−44) 40−70 (22−39) 55−85 (31−47) 50−80 (28−44)
High static certified by (A.G.A./C.G.A.)  in. wg. (Pa) .50 (125)
Gas Piping Size I.P.S.
in. 1/2
Gas
Piping
Size
I
.
P
.
S
.
Natural or LPG/propane
mm 12.7
Blower wheel nominal
in. 10 x 10 11-1/2 x 9 10 x 10 11-1/2 x 9
Blower
wheel
nominal
diameter x width
mm 254 x 254 292 x 229 254 x 254 292 x 229
Blower motor output  hp (W) 1/2 (373) 3/4 (560) 1/2 (373) 3/4 (560)
Nominal coolin
g
Tons 2 to 4 3-1/2 to 5 2 to 4 3-1/2 to 5
Nominal
cooling
that can be added
kW 7.0 to 14.1 12.3 to 17.6 7.0 to 14.1 12.3 to 17.6
Shipping weight  lbs. (kg) 1 package 186 (84) 198 (90) 218 (99) 218 (99)
Electrical characteristics 120 volts  60 hertz  1 phase (all models) (less than 12 amps)
 Optional Accessories (Must Be Ordered Extra) 
LPG/Propane kit (optional) 65K27 (all models)
Filter and Filter Rack Kits
No. & sizeoffilters − in. (mm)
Single (44J21) Ten Pack (66K62)
(1) 20 x 25 x 1 (508 x 635 x 25)
Concentric Vent/Intake Air/Roof Termination Kit (optional)
33K97  2 inch (51 mm)
60L46 − 3 inch (76 mm)
Vent/Intake Air Roof
2 inch (51 mm) 15F75
Vent/Intake
Air
Roof
Termination Kit (optional)  vent size
3 inch (76 mm) 44J41
Vent/Intake Air Wall
Termination Kit (optional) vent size
2 inch (51 mm)
15F74 (ring kit)  22G44 (close couple)  30G28 (WTK close couple)
30G79 (WTKX close couple with extension riser)
Termination Kit (optional)  vent size
3 inch (76 mm) 44J40 (close couple)  81J20 (WTK close couple)
Twinnin
g
Kits
Non-continuous low speed 64H88 (all models)
Twinning
Kits
(optional)
Continuous low speed 35J93 (all models)
Continuous Low Speed Blower Switch (optional) 44J06 (−1 and −2 models) Not used with Twinning Kits
Annual Fuel Utilization Efficiency based on U.S. DOE test procedures and FTC labeling regulations. Isolated combustion system rating for non-weatherized furnaces.
Polyurethane frame type filter.
Determine from venting tables proper intake and exhaust pipe size and termination kit required.
NOTE − 2 inch x 3 inch (51 mm x 76 mm) adaptor is furnished with -100 and -125 furnaces for exhaust pipe connection.

Lennox G26 Series Specifications

General

Brand	Lennox
Model	G26 Series
Category	Furnace
Language	English