Top View; Front View; Side View - Lennox LF24 Manual

Unit heaters horizontal-60 hz
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DIMENSIONS − INCHES (MM)
NOTE − Single fan model shown, LF24−100−115−145−175 and −200.
LF24−230−250−300−345 and −400 models have two fans.
1
NOTE
− Two rivetnuts are furnished on
LF24−100−115 −145,−175 and −200 models.
− Four rivetnuts are furnished on
LF24−230−250−300−345 and −400 models.

FRONT VIEW

A
Model
No.
in.
LF24−100
LF24−115
20−3/16
LF24−145
LF24−175
23−1/8
LF24−200
LF24−230
LF24−250
41−1/8
1045
LF24−300
LF24−345
41−1/8
1045
LF24−400
LF24 − 100,000 to 400,000 Btuh / Page 6
1
Furnished on
LF24−345 and
Models Only.
A
ADJUSTABLE
LOUVERS
32−3/16
(817)
EXCHANGER
B
mm
in.
mm
512
11−1/2
292
588
11−1/2
292
3−11/16
97
3−11/16
97
*7−5/8
(194)
1/2
(13)
LF24−230,
LF24−250,
C
LF24−300,
LF24−400
1/2
(13)

TOP VIEW

31−5/16
(795)
AIR
FLOW
HEAT

SIDE VIEW

C
D
in.
mm
in.
19−1/16
484
11−3/4
22−1/16
560
8−1/2
40
1016
17−3/4
40
1016
17−1/2
B
3/8−16 RIVETNUTS
FOR UNIT SUSPENSION
D
E
FLUE
OUTLET
ELECTRICAL INLETS
F
COMBUSTION AIR
INDUCER
DIRECT
DRIVE FAN
GAS
VALVE
E
mm
in.
mm
in.
298
3−1/4
83
7−7/8
337
3−1/4
83
8−11/16
451
3−1/2
89
8−11/16
445
3−1/2
89
9−13/16
F
mm
200
220
220
248

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