Filter
Top Products
1 NOTE - 60C and 60D size units that require air volumes
over 1800 cfm (850 L/s) must have one of the following:
1. Single side return air with transition, to accommodate
20 x 25 x 1 in. (508 x 635 x 25 mm) air filter. Required to
maintain proper air velocity across the filter.
2. Single side return air with optional RAB Return Air Base
3. Bottom return air.
4. Return air from both sides.
5. Bottom and one side return air.
See Blower Performance Tables for additional information.
3-3/4 (95)-I_ 1
FLUE OUTLET
(Top)
SUPPLY AIR
OPENING
2 Flue outlet may be horizontal but furnace must be
vented vertically
3 Optional External Side Return Air Filter Kit is not for use
with the optional RAB Return Air Base.
1OPTIONAL
EXTERNAL
SIDE RETURN
AIR FILTER KIT
(Either Side)
23-3/4 (603)
I_1 25 (635) =
TOP VIEW
I I
/" ...........h r ........... h ::::::::h f ..............
,_ A -_
B _ 4-9/16 (14)
3 OPTIONAL
EXTERNAL
SIDE RETURN
AIR FILTER KIT
__ (Either Side)
__ 40
.... (1016)
,, i
AiR FLOW
!1
5/8 (16)
1 Bottom Return
Air Opening
FRONT VIEW
3-1/4 (83) Right
8-1/8 (206) Left
13-1/4 (337) Left
4-7/8 (124) Right
2-1/4 (57) Left -I_
TOP VIEW
28-1/2
(724)
r--
4-1/4
(108)
iE OUTLET
(Either Side)
ELECTRICAL INLET
(Either Side)
o GAS PIPING INLET
(Either Side)
ELECTRICAL INLET
OW (Either Side)
'
I
4 23
[102 (584)
14
1 OPTIONAL
RETURN CUTOUT (3_6)
L (Either Side)
1-15/16 (49)
23-1/2 v
(597)
1 Bottom Return
Air Opening
SIDE VIEW
A B C D
Model No.
in. mm in. mm in. mm in. mm
G50UH-24A-045,
G50UH-24A-070, 14-1/2 368 13-3/8 340 13 330 4-1/2 114
G50UH-36A-070
G50UH-36B-090, 17-1/2 446 16-3/8 416 16 406 6 152
G50UH-48B-090
G50UH-36C-110,
G50UH-48C-110, 21 533 19-7/8 504 19-1/2 495 7-3/4 197
G50UH-48C-135,
G50UH-60C-110
G50UH-60D-135, 24-1/2 622 23-3/8 546 23 584 9-1/2 241
G50UH-60D-155
9/16
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