Specifications - Lennox G24M SERIES Unit Information

Model No.
Input Btuh (kW)
Output Btuh (kW)
A.F.U.E.
R
California Seasonal Efficiency
Flue size connection diameter — in. (mm) round
Temperature rise range —
High static certified by A.G.A./C.G.A. — in wg.
(Pa)
Gas Piping Size I.P.S. Natural or LPG/propane
Blower wheel nominal Blower wheel nominal
diameter x width
Blower motor output — hp (W)
Nominal cooling Nominal cooling
that can be added
Shipping weight — lbs. (kg) 1 package
Electrical characteristics
LPG/propane kit
Twinning Kit
Up- - Flow/Horizontal Filter and Filter Rack Kits
No. & size of filters - - in. (mm)
c
Catalog No.
Down-flow
o
No. & Size of Filters — in.
Filter Kit
(mm)
Down-flow Combustible floor Base
Sidewall Power Venting Kit
Hanging Bracket Kit
R
Annual Fuel Utilization Efficiency based on U.S. DOE test procedures and according to FTC labeling regulations. Isolated combustion system rating f or non-weatherized
c furnaces.
o Polyurethane frame type filter is furnished with kit.
Filters are not furnished with kit and must be ordered extra.
F ( C)
E E
in.
mm
Tons
kW
H
Optional Accessories (Must Be Ordered Extra)
Single (
(1) 16 x 20 x 1 (406 x 508 x 25)
LB-79239A

SPECIFICATIONS

G24M4(X)-75
75,000 (22.0)
61,700 (18.1)
80.0%
76.3%
45 - 75 (25 - 42)
12 x 8
305 x 203
1/2 (373)
2, 2-1/2, 3, 3-1/2 or 4
7.0, 8.8, 10.6, 12.3 or 14.1
140 (64)
120 volts — 60 hertz — 1 phase (less than 12 amps) All models
LB-69845L
(38K84)
96J69
) Ten Pack ( )
32J02 66K64
LB-69843A
(2) 16 x 20 x 1 (406 x 508 x 25)
— 10 lbs. (4 kg)
(67J91)
79J15
LB-69957
3DJH 
G24M3/4(X)-100
100,000 (29.3)
82,000 (24.0)
80.1%
76.5%
4 (102)
.50 (125)
1/2 (13)
12.3, 14.1, 17.6 or 21.1
175 (79)
H
LB-69845K
(81J14)
— 5 lbs. (2 kg)
Single Ten Pack
(46J14)
(1) 20 x 20 x 1 (508 x 508 x 25)
— 3 lbs. (1 kg)
(32J01)
LB-79239B — 10 lbs. (4 kg)
(67J92)
— 25 lbs. (11 kg)
— 15 lbs. (8 kg)
(46J66)
G24M4/5(X)-100
80.0%
77.0%
35 - 65 (19 - 36)
12 x 9
305 x 229
3/4 (560)
3-1/2, 4, 5 or 6
175 (79)
(66K65)