1018454-D
Page 26
STEP 1.
Cut hole within stud space behind heater in the back wall 8-1/4” high by 12-5/8” wide. The lower edge of the
hole to be 45-3/4” above the floor plate or 47” from the floor (with standard 2”x4” floor base) as shown in
Figure 12-A (below)
.
STEP 2.
Install plaster ground frame for rear register in hole and nail frame to stud as shown in
Figure 12-B (below)
.
STEP 3.
REAR REGISTER INSTALLATION: Cut and remove embossed plates in inner and outer casing. Follow
instructions for installation of regular furnace.
STEP 4.
After furnace is installed, attach rear register grille as shown in
Figures 13-B & 13-C (on page 27)
by insertion
over plaster ground and attach with sheet metal screws, provided.
STEP 5.
Damper as shown in
Figure 13-C (on page 27)
can be adjusted from full open for maximum heat to
fully closed.
40542-A REAR REGISTER KIT
(Optional Accessory)
Installation Instructions for Gravity Vented Wall Furnaces
FIG. 12-A
ROUGH-IN DIMENSIONS FOR
REAR REGISTER
STUD
PLASTER
STUD
PLASTER
HOLE
FOR BACK
REGISTER
OPENING
7/8” FROM
EACH STUD
PLASTER
14-3/8”
8
¼”
12
⅝
”
45-3/4”
PLATE
FIG. 12-B
PLACING FRAME FOR
REAR REGISTER
PLASTER
NAIL
TO STUD
STUD
PLASTER
PLATE
PLASTER
STUD
FIG. 12-C
40542-A REAR REGISTER KIT
- W25/35 Series
(Used on Single Wall Models Only)
Part Description
Ref. No.
Part No
.
Damper
69 40375
Damper Spring
70
40377
Frame Assembly
71
40365
Register Chain
72
40379
Bell, Pull
73
85003
Register Assembly
74
40355
Installation Instructions
- -
84504
74
71
73
72
69
70