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10002823/0 DVR33 13
Vermont Castings, Majestic Products
REAR WALL VENT INSTALLATION
Step 1
Locate and cut the vent opening in the wall, Fig. 15
For combustible walls rst frame in opening, Fig. 15.
COMBUSTIBLE WALLS : Cut a 10-3/8"H x 9-3/8"W (265
mm x 240 mm) hole through the exterior wall and frame as
shown (Fig. 15).
NON-COMBUSTIBLE WALLS : Hole opening should be
7.5" (190 mm) in diameter.
Step 2
Measure wall thickness and cut zero clearance sleeve parts
to proper length (MAXIMUM 12" / 305 mm). Assemble
sleeve to its maximum opening (10-3/8" x 9-3/8") and attach to
restop with #8 sheet metal screws (supplied). Install restop
assembly (Fig. 16).
Zero clearance sleeve is only required for combustible walls.
Step 3
Measure the horizontal length requirement for the venting
including a 2" (50 mm) overlap, i.e. from the elbow to the
outside wall face plus 2” (50 mm)(or the distance required if
installing a second 90º elbow). (Fig. 14).
Step 4
Install the 4" (100 mm) vent to the appliance collar and secure
with 3 sheetmetal screws. Install the 7" (175 mm) vent pipe to
the appliance collar and secure with 3 sheetmetal screws. It is
not necessary to seal this connection. If a 45º elbow is being
used attach the elbow to the appliance in the same manner then
attach the venting to the elbow.
It is critical that there is no downward slope away
from the appliance when connecting the vent or
elbow.
Step 5
Guide the venting through the vent hole as you place the appli-
ance in its installed position. Guide the 4" (100 mm) and 7"
(175 mm) collars of the vent termination into the outer ends of
the venting, Fig. 17. Do not force the termination. If the vent
pipes do not align with the termination remove and realign the
venting at the appliance ue collars. Attach the termination
to the wall as outlined in the instruction sheet supplied with
the termination.
Fig.15
Fig. 16
Fig. 17