Full Product Manual

1018454-EPage 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