Page 1
LF24 Unit Dimensions
1/2
(13)
TOP VIEW
SIDE VIEW
ADJUSTABLE
LOUVERS
GAS
VALVE
HEAT
EXCHANGER
DIRECT
DRIVE FAN
FLUE
OUTLET
ELECTRICAL INLETS
3/8" x 16 MOUNTING NUTS
FOR UNIT SUSPENSION
AIR
FLOW
COMBUSTION AIR
INDUCER
END VIEW
A
B
C
E
F
G
NOTE LF24 models 100, 115, 145, 175 and
200 have a single fan. LF24 models 230, 250, 300,
345 and 400 have two fans.
D
*7-5/8
(194)
1/2
(13)
Additional
mounting nuts
furnished on
LF−230,
LF24−250,
LF24−300,
LF24−345 and
LF24−400 models
only.
H
NOTE Two mounting nuts are furnished on
LF24 models 100, 115, 145, 175 and 200. Four
mounting nuts are furnished on LF24 models
230, 250, 300, 345 and 400 models.
Unit
A B C D E F G H
in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm
LF24-100
LF24-115
LF24−145
31-5/16 795 32-3/16 817 20-3/16 512 11-1/2 292 19-1/16 484 11-3/4 298 3-1/4 83 7-7/8 200
LF24−175
LF24−200
31-5/16 795 32-3/16 817 23-1/8 588 11-1/2 292 22-1/16 560 8−1/2 216 3-1/4 83 8−11/16 220
LF24-230*
LF24−250*
LF24−300*
31-5/16 795 32-3/16 817 41-1/8 1045 3-11/16 97 40 1016 17-3/4 451 3-1/2 89 8-11/16 220
LF24-345*
LF24−400*
31-5/16 795 32-3/16 817 41-1/8 1045 3-11/16 97 40 1016 17-1/2 445 3-1/2 89 9-13/16 248
*Unit contains dual fans.
Shipping
The heater is completely assembled and is shipped with installation and operating instructions, warranty certificate and
flue transition. Check the unit for shipping damage. The receiving party should contact the last carrier immediately if any
shipping damage is found.
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