Lennox LF25 Series

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A
C
B
ADJUSTABLE
LOUVERS
TOP VIEW
ELECTRICAL INLETS
FLUE OUTLET
(4) 3/8-16 MOUNTING NUTS
FOR UNIT SUSPENSION
FRONT VIEW
AIR
FLOW
SIDE VIEW
COMBUSTION AIR
INDUCER
DIRECT DRIVE FAN
GAS VALVE
HEAT
EXCHANGER
16 (406)
1/2 (13)
31-7/8 (810)
10-5/8
(270)
5-3/8
(137)
10-1/2
(267)
1/2 (13)
35-1/4
(895)
3
(76)
2-5/8 (67)
3-1/8 (79)
LF25-250 / 400 DIMENSIONS - Inches (mm)
Model
No.
A B C
in. mm in. mm in. mm
LF25-250
LF25-300
37-5/8 956 36-1/2 927 15-7/8 403
LF25-350
LF25-400
47 1194 45-3/4 1162 20-1/2 521