Vermont Casting DVRSR - Manual (Page 9)

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*IMPORTANT* Minimum clearance between vent pipes
and combustible materials is one (1") inch (25 mm) on
bottom, sides and top.
Join pipes and secure joints with three (3) sheetmetal
screws. (See Fig. 9) Wipe off excess sealant.
GENERAL INFORMATION ON ASSEMBLING
THE VENT PIPES WITH CRIMPED ENDS
BEAD LOCATION
1" FROM CRIMPED END OF PIPE
1''
Screw Holes
Only Majestic venting components
specifically approved and labelled for
this fireplace may be used.
Fig. 9
Before joining elbows and pipes apply a bead of high
temperature sealant to crimped end of 4" and 7" elbow or
pipe. (Fig. 9)
Fig. 11
Note: It is not necessary to seal the vent pipe joints
for any straight out the wall rear vent appli-
cations.
Note: Vent Starter Kit Model 7DVRVT must be
used in straight out the wall rear vent appli-
cations.
Maximum Vent Length .......................... 20" (508mm)- Fig. 10
REAR VENTING APPLICATIONS
Combustible Walls. Cut a 10-3/8"H x 9-3/8"W (265mm
x 240mm) hole through the exterior wall and frame as
shown. Fig. 11.
Non-Combustible Walls: Hole opening must be 7.5"
(190mm) in diameter. To locate hole centre consult with
appropriate fireplace specifications, page 4.
REAR WALL INSTALLATIONS
STEP 1
Locate vent opening on wall. To locate hole centre consult
with appropriate fireplace specifications, page 4. Frame as
shown below.
(240mm)
9- 3/8 "
10- 3/8 "
(255mm)
7- 1/2 "
(190mm)
Vent Opening —
Noncombustible Wall
(framing detail)
Vent Opening —
Combustible Wall
Straight Out Thru the Wall Application
20"
(508mm)
REAR OF
UNIT
Fig. 10
Minimum clearance between vent pipes
and combustible materials is one (1")
inch (25 mm) on sides and bottom and
two (2") inch (50 mm) on top.
Measure wall thickness and cut adjustable zero clearance
sleeve parts to proper length (MAXIMUM 12"/305mm).
Adjust sleeve to maximum (10-3/8 x 9-3/8). and attach to
firestop with #8 sheet metal screws (supplied). (Fig. 12)
Install firestop assembly.
STEP 2
When vent termination exits through
foundation less than 20" (508mm) below
siding outcrop, the vent pipe must flush
up with the siding. A 7DVSS must also
be used.