Installation Of Side Wall Venting; Mqhbzdv36363/4236/4736 - Marquis MQHBZDV3636 Instruction Manual

“zero clearance” direct vent gas fireplace
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1. Establish the minimum distance from the bottom of fireplace to centre of vent.
Cut a hole through the wall allowing for a 11" x 11" (inside diameter) in com-
bustible walls for wall thimble or an 8" diameter hole in a non-combustible
wall (See Figure 1-2-3).
2. Note clearance to combustible as stated on pages
3. Select the approximate vent length, precise measurements are not needed as
your flex pipe can be expanded to twice its shipped length for ease of installa-
tion.
4. To install wall thimble centre over 11" x 11" (inch) framing from both sides of
wall and secure. Route flex vent pipe through wall thimble (See Figure 1).
5. Before joining pipes, apply a bead of high temperature sealant (Mill Pac) to
end of pipe. First attach the four inch (4") flue pipe to the vent termination
with sealant, and secure with 4 screws provided. At this time make sure the
spacer springs are attached to the (4") flex pipe as required. Then attach the
seven inch (7") pipe by the same method.
6. Mount vent termination and seal to wall using caulking around the wall thim-
ble to weather proof. After installing the vent termination, double check to
make sure the pipe extends properly through wall thimble and into vent termi-
nation.
7. Before joining pipes to fireplace flue, apply a bead of high temperature
sealant (Mill Pac) to end of pipe. First attach the four inch (4") flue pipe to
fireplace with Mill Pac sealant to the flue pipe and secure with 4 screws pro-
vided. At this time verify that the spacer springs are attached properly to the
(4") flex pipe as required. Then attach the seven inch (7") pipe by the same
method.
8. Support horizontal pipes every two (2) feet (61 cm) with metal strap bands.
Re-check fireplace to make sure it is levelled and properly positioned and
secured.
9. Support vertical pipes to maintain a minimum of 1" or greater clearance to
combustibles with metal strapping bands.
10. If finishing the outside wall with vinyl or wood siding it is recommended that
a Siding Shield be installed, Part Number ZDVSSLR.
Note: Wall Thimble cover combustible wall up to 11" thick.
Note: Venting termination must not be recessed into wall or siding.
MQHBZDV4736
Minimum clearance to combustibles on venting
Vertical 1" with Kingsman Vent System
1 1/4" with Simpson Duravent Systems
Top of Horizontal Pipe 1 1/2"
Top of 90 degree bend in Minimum Enclosures of 50 1/2-56
1/2" is 2 1/2" with insulation Sleeve
Top of 90 degree bend in enclosure over 56 1/2" -60" is 4
1/2" without insulation sleeve.
Top of 90 degree bend in enclosures over 60" is 2 1/2" with-
out insulation sleeve.
Louvered Unit Shown

Installation Of Side Wall Venting

1/4" RISE PER
FOOT
FIG. 3
48
MQHBZDV3636
Minimum clearance to combustibles on venting is 1" with
the following exceptions as follows:
Top of horizontal 1 1/2".
Top of 90 degree elbow in an enclosure 42-43" is 3 1/2".
Top of 90 degree elbow in an enclosure over 43" is 2 1/2".
MQHBZDV4236/MQRB4236
Minimum clearance to combustibles on venting is 1"
with the following exceptions: Top of horizontal 1 1/2".
Top of 90 degree elbow in enclosures under 45" to 46"
is 5".Top of 90 degree elbow in an enclosure over 46" is
2 1/2".
FIG. 2
FIG. 1
Note: Wall Thimbles cover com-
bustible wall up to 11" thick.
1/4" RISE PER
FOOT
Note: Wall Thimbles cover
combustible wall up to 11"
thick.
1/4" RISE PER
FOOT

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