USC Sleeve
Standard Grille
STANDARD GRILLE – Ships with USC sleeve
Expanded aluminum grille designed for use with USC
sleeve.
REPLACEMENT GRILLE – Ships with US/UE chassis
High-tech plastic for use on existing sleeves without any
grille.
IMPORTANT:
When installing into an existing sleeve, consult
Installation Section of your Installation/Operation Manual
to determine whether or not the grille needs to be
replaced and/or a baffle adapter should be used.
Installation Accessories (27” sleeve models only)
DK / Drain Kit
Installed at the back of the unit and allows
for attachment to permanent condensate
disposal system, if disposal is necessary
or desired.
SB / Sub Base
Used as a base for the unit when
it is desired to place the cord and
receptacle within the installation, or
simply as a base for the unit when
mounted low in the wall.
BAK / Baffle Adapter Kit
Necessary when installing in a sleeve
deeper than 16 3/4" deep, such as
Fedders B sleeve (19 3/4" deep).
IDK / Internal Drain Kit
New construction applications where
a condensate drain system has been
built into the wall interior.
16 3/4"
Fedders B
19 3/4”
IMPORTANT:
Operating the air
conditioner with incorrect
rear grille or without
Baffle Adapter Kit (on
19 3/4” deep sleeve) will
recirculate discharge air
and cause compressor
overload to trip.
CORRECT Vertical Louvers
INCORRECT Horizontal Louvers
WSD Sleeve
Standard Grille - Ships
with sleeve. Galvanized
steel weather panel also
ships with sleeve.
Model
Height
Width
Depth
Depth
with
Front
Minimum
Extension
Into Room
Minimum
Extension
Outside
Thru-the-wall
Finished Hole
Height
Width
Max. Depth
WALLMASTER
WSD Sleeve
16 3/4"
27"
16 3/4"
23"
7 1/2"
9/16"
17 1/4" 27 1/4"
15 5/16"
Chassis
15 3/4" 26 1/2"
21"
22”
–
–
–
–
–
UNI-FIT
USC Sleeve
15 1/2" 25 7/8" 16 3/4" 20 1/2"
–
1/2"
15 3/4" 26 1/8"
16 1/4"
US Chassis
14 3/8"
24"
20 1/8"
3 3/4"
–
–
–
–
UE Chassis
14 3/8" 24 5/8"
19 5/8"
3 1/2"
–
–
–
–
IMPORTANT: Sleeves are sold and shipped separately to accommodate new construction and replacement requirements
Uni-Fit
®
26” Sleeve Exterior Grilles
Sleeve/Chassis Dimensions
WallMaster
®
27” Sleeve Exterior Grilles
Sleeve shown with
Replacement Grille
WSD Sleeve
Optional Architectural Grille- AG
IMPORTANT:
US chassis w/front fully installed into USC sleeve
extends into room 3 3/8”. UE chassis w/front fully
installed into USC sleeve extends into room 2 7/8”.
US= 3 3/8”, UE= 2 7/8”
