Plastering (Figure 4)
In new construction use only plain (not perforated) gypsum lath
around furnace and vent pipe so that plaster "Keys" will not project
into wall space.
Use wood strips nailed to inside of studs and top of bottom plate.
These must be removed before installation of furnace. Lath and
plaster against top projection of Header Plate.
Do not allow wall finish materials to project into furnace recess..
HEADER ASSEMBLY
Figure 19
Installing Furnace
1.
Clear the recess of all debris, and remove any wood plaster-
grounds.
2.
Stand the furnace on floor in front of wall opening.
3.
Insert furnace flue into rectangular opening in header plate and
raise furnace carefully (see Figure 20).
4.
Swing bottom of furnace into wall opening with back of legs
flush with rear of floor plate.
5.
Secure furnace support legs to the floor plate.
23813-1-0807
FINISHING INSTRUCTIONS
66 1/4"
(1683mm)
WALL
OPENING
Figure 20
IMPORTANT — Avoid securing too tightly and disturbing the
inner casing. Do not try to force furnace into a wall opening
which is smaller than specified dimension.
OUTER CASING
1. Align 1 3/4" slot on casing bracket with bottom screw hole on
inner casing. Attach casing bracket to inner casing with one (1)
10 x 1/2" screws for each casing bracket. Do not completely
tighten screws at this time.
Figure 21
Page 13