10002823/0
DVR33
19
Vermont Castings, Majestic Products
V
ERTICAL
T
HROUGH
-T
HE
-R
OOF
I
NSTALLATION
1. Locate your replace.
2. Plumb to centre of the 4" (100 mm) ue collar from the
ceiling above and mark the position.
3. Cut an opening equal to 9-3/8" x 9-3/8" (240 mm x 240
mm).
4. Proceed to plumb for additional openings through the
roof. In all cases, the opening must provide a minimum of
1" (25 mm) clearance to the vent pipe, i.e., the hole must
be at least 9-3/8" x 9-3/8" (240 mm x 240 mm).
5. Place the replace into position and secure it to the oor.
6. Place restop(s) #7DVFS and Attic Insulation Shield
#7DVAIS (if required) into position and secure with
screws or nails. (Fig. 34)
7. Install roof support (Fig. 32) and roof ashing making
sure the upper ange of the ashing is under the shingles.
Fig. 33.
8. Install appropriate pipe sections until the ue is above the
ashing. (See Fig. 33).
9. Install the storm collar and seal around the pipe.
10. Add additional vent lengths to achieve the require termi-
nation height. Fig. 31.
11. Apply high temperature sealant to 4" (100 mm) and 7"
(175 mm) collars of vertical vent termination and install
onto the venting.
If there is a room above ceiling level, restop
spacer must be installed on both the bottom and
the top side of the ceiling joists. If an attic is
above ceiling level a 7DVAIS (Attic Insulation
Shield) must be installed.
The enlarged ends of the vent section always
face downward,
Fig. 34
CFM100
