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W415-0299 / J / 04.14.08
Use only Wolf Steel or Simpson Dura-Vent Model DV-GS,
Selkirk Direct Temp or American Metal Amerivent venting
components. Minimum and maximum vent lengths, for both
horizontal and vertical installations, and air terminal loca-
tions for either system are set out in this manual and must
be adhered to. For Simpson Dura-Vent, follow the installation
procedure provided with the venting components.
For vent systems that provide seals on the inner exhaust fl ue,
only the outer air intake joints must be sealed using a red high
temperature silicone (RTV). This same sealant maybe used
on both the inner exhaust and outer intake vent pipe joints
of all other approved vent systems except for the exhaust
vent pipe connection to the fi replace fl ue collar which must
be sealed using the black high temperature sealant Mill Pac.
High temperature sealant must be ordered separately.
When using Wolf Steel venting components, use only ap-
proved Wolf Steel rigid / fl exible components with the following
termination kits: WALL TERMINAL KIT GD422, or 1/12 TO
7/12 PITCH ROOF TERMINAL KIT GD410, 8/12 TO 12/12
ROOF TERMINAL KIT GD411, FLAT ROOF TERMINAL KIT
GD412 or PERISCOPE KIT GD401 (for wall penetration below
grade). With fl exible venting, in conjunction with the various
terminations, use either the 5 foot vent kit GD420 or the 10
foot vent kit GD430.
When using fl exible venting with a horizontal termination
directly off of the fi replace, the use of a 45º adaptor is
permitted to keep the vent height as low possible.
These vent kits allow for either horizontal or vertical venting of
the fi replace. The maximum allowable horizontal run is 20 feet.
The maximum allowable vertical vent length is 40 feet. The
maximum number of 5" vent connections is two horizontally
or three vertically (excluding the fi replace and the air terminal
connections) when using fl exible venting.
For optimum fl ame appearance and fi replace performance,
keep the vent length and number of elbows to a minimum.
The air terminal must remain unobstructed at all times.
Examine the air terminal at least once a year to verify that it
is unobstructed and undamaged.
Purge all gas lines with the glass door of the fi replace
open. Assure that a continuous gas fl ow is at the burner
before closing the door.
Under extreme vent confi gurations, allow several minutes (5-
15) for the fl ame to stabilize after ignition.
For optimum performance it is recommended that all hori-
zontal runs have a 1" rise per foot when using fl exible vent
components.
A terminal shall not terminate directly above a sidewalk or
paved driveway which is located between two single family
dwellings and serves both dwellings. Local codes or regula-
tions may require different clearances.
Do not allow the inside liner to bunch up on horizontal or
vertical runs and elbows. Keep it pulled tight. A 1¼" air
gap all around between the inner liner and outer liner is
required for safe operation. Use a fi restop when penetrat-
ing interior walls, fl oor or ceiling.
Horizontal runs may have a 0" rise per foot in all cases us-
ing SIMPSON DURA-VENT or WOLF STEEL LTD. RIGID
OR FLEXIBLE venting components when venting.
VENTING
VENTING LENGTHS
For Simpson Dura-Vent, Selkirk Direct Temp and American
Metal Amerivent, follow the installation procedure provided
with the venting components.
Wolf Steel, Simpson Dura-Vent, Selkirk Direct Temp and
American Metal Amerivent venting systems must not be
combined. Wolf Steel rigid and fl exible venting systems must
not be combined.
A starter adaptor must be used and may be purchased from
the corresponding supplier:
Supplier 5&8 ZC
Dura-Vent W175-0170
Amerivent 5DSC-N
Direct Temp 5DT/AA-N
Vent lengths that pass through unheated spaces (attics, ga-
rages, crawl spaces) should be insulated with the insulation
wrapped in a protective sleeve to minimize condensation.
For Simpson Dura-Vent, Selkirk Direct Temp and American
Metal Amerivent, follow the installation procedures found on
the website for your venting supplier:
VENTING SUPPLIER WEBSITE ADDRESS
Simpson Dura-Vent www.duravent.com
Selkirk Direct Temp www.selkirkcorp.com
American Metal Amerivent www.americanmetalproducts.com