Vertical Through-The-Roof Applications; Use Of Restrictor Plates For Vertical Venting Applications - Majestic Chateau DVT38 Installation Instructions And Homeowner's Manual

STEP 5
Tape the inner and outer flue collars of the fireplace
using UL approved metal adhesive tape to ensure the
joints are sealed. Attach an appropriate length of vent
pipe to the fireplace. Follow with the installation of the
inner and outer elbow, tape elbow joints and secure
joints as described on Page 11.
STEP 6
Measure the horizontal length requirement including a
2" (50mm) overlap, ie from the elbow to the outside wall
face plus 2" (50mm) (or the distance required if install-
ing a second 90° elbow). (Fig. 24)
Always install horizontal venting on a
level plane.
STEP 7
Use appropriate length of pipe sections and install the
horizontal vent sections. You may need to cut 1' wall
section to size to be flush with the outside wall. The
sections which go through the wall are packaged with
the starter kit, and can be cut to suit if necessary. (Fig.
25)
Fig. 24 Horizontal length requirement.
Fig. 25 Through the wall.
20006081
X
FP1241a
FP1242a
Vermont Castings, Majestic Products Chateau™
Sealing firestop gaps with high temperature seal-
ant will restrict cold air being drawn in around
fireplace.
STEP 8
Guide the vent terminations 8" and 11" collars into their
respective vent pipes. Double check that the vent pipes
overlap the collars by 2" (50mm). Secure the termina-
tion to the wall with screws provided and caulk around
the wall plate to weatherproof. (Fig. 26) As an alterna-
tive to screwing the termination directly to the wall you
may also use expanding plugs or an approved exterior
construction adhesive.
Support horizontal pipes every 3' (91 cm)
with metal pipe straps.
Check fireplace to make sure it is levelled
and properly positioned.
Fig. 26 Secure termination to wall.
Vertical Through-the-Roof
Use of Restrictor Plate
for Vertical Venting Applications
The primary purpose for the vent restrictor is to regain
flame height under certain venting conditions as
outlined below.
NOTE: The joints of the inner pipe (flue pipe) must be
taped with 550°F or higher temperature metal adhesive
tape that meets the requirements of F.A.R. 25.853(a)
High temperature sealant milpack or stove cement of
550°F or higher could be used instead. The joints of
The outer pipe (fresh air pipe) must be taped with
315°F or higher temperature metal adhesive tape or
the use of high temperature milpack or stove cement
would be applicable. When using the unitized 30°, 45°
or 90° elbows, apply 1/4" bead of high temperature,
550°F or higher, sealant (milpack or stove cement) to
Applications
FP1243a
15