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Vent Requirements
The GZ550 DV Acadia Gas Fireplace is approved for
use with direct vent components produced by the
following manufacturers:
• Simpson Dura-Vent Corporation, 5/8 and 4/6 pipe
• Security Vent Ltd. International, 5/8 and 4/6 pipe
• Amerivent Corporation, 4/6 pipe
Use vent components from a single vent manu-
facturer. Do not combine parts from different
manufacturers in a single installation.
The vent termination must fall within the shaded area
designated in the diagrams in Figures 12 - 14.
Venting Guidelines
The minimum height for a vertical termination
cap must be no less than 7' from the top of the
unit. The maximum height must not exceed 35'.
The minimum vent height above the roof or
adjacent walls is specified by major building
codes. Use the Gas Vent Rule as a general guide.
See Fig.10. requirements of the approval listing
and the manufacturer’s instructions.
Clearance (airspace) between Vent and Combustibles:
Top - 2” (51 mm) Sides/Bottom - 1” (25 mm)
Wall Cutout Dimensions:
4/6 Pipe - 10” x 10” 5/8 Pipe - 11” x 11”
Any horizontal run must rise 1/4” per foot.
Install venting in accordance with the vent
manufacturers’ instructions. Never modify any
venting component, or use any damaged venting
product.
THE GAS APPLIANCE AND VENT SYSTEM MUST BE
VENTED DIRECTLY TO THE OUTSIDE OF THE BUILDING.
DO NOT CONNECT VENT TO A CHIMNEY SERVING A
SOLID FUEL OR ANOTHER GAS
APPLIANCE.
Joint Sealing Requirement: Apply
a 1/8” bead of high-temperature
(750°F) sealant to the male
section of the inner vent pipe.
See Fig. 9.
The cement should seal the
inner pipe from the outer
pipe.
Figure 9. Seal each inner joint before joining pipe .
Figure 11. Typical minimum horizontal vent
configuration - 5/8 Simpson DuraVent. Do not use 4/
6 pipe in this configuration.
45° Elbow
6” Vent Section
Wall Support
Wall Termination
IN DESIGNING THE VENT SYSTEM, DO NOT
COUNT THE 45° ELBOW CONNECTED TO THE
VENT COLLAR AS AN ELBOW.
Figure 10. Gas Vent Height Rule: Vertical vent
termination height above roof.
Flat to 6/12 1’0” 0.3M
Over 7/12 to 9/12 2’0” 0.6M
Over 10/12 to 12/12 4’0” 1.2M
Over 13/12 to 16/12 6’0” 1.8M
Over 17/12 to 21/12 8’0” 2.4M
Minimum
Height from Roof
ROOF SLOPE
H
2 ft.
min.
Horizontal Overhang
Vertical Wall
12
Roof Pitch
is X / 12
X
Termination
Cap
2 ft.
min.
Lowest Discharge
Opening
H = minimum height from roof
to lowest discharge opening
Do not recess the vent terminal into a wall or siding.
Inspect the vent system annually for blockage and
deterioration.
Installation of any components not manufactured
or approved by Jøtul or failure to meet all clear-
ance requirements will void all warranties and
may result in property damage, bodily injury, or
loss of life.