7
VENT PARTS:
This replace have been tested and certied for use with SIMPSON DURAVENT TYPE GS PIPE FOR GAS STOVES.
SELKIRK DIRECT-TEMP SYSTEM SECURITY CHIMNEY’S “SECURE VENT DIRECT VENT SYSTEM” and SELKIRK
“METALBESTOS MDV VENT SYSTEM” kits are available for horizontal venting. When using Simpson Duravent, it is
recommended that, before installation, a bead of RTV High Temperature Silicone should be applied to each outer
vent joint, and Mil-Pac to each inner joint. When planning an installation, it will be necessary to select the proper
length of vent pipe for the particular requirements.
A MINIMUM VERTICAL LENGTH OF 24” (61 cm) TO THE FIRST 90° ELBOW IS REQUIRED. WITH THIS
MINIMUM VERTICAL RISE, HORIZONTAL RUNS OF FROM 1 FT (30.5 cm) to 3 FT (91.5 cm) ARE PERMITTED TO
REACH THE OUTSIDE VENT TERMINATION.
BEFORE BEGINNING THE INSTALLATION TAKE CARE TO ENSURE AN APPROPRIATE OUTSIDE LOCATION FOR THE
VENT TERMINATION CAN BE ACCOMMODATED. FOLLOW THE VENT LENGTH DIAGRAM PRECISELY.
VENTING TERMINALS CANNOT BE RECESSED INTO A WALL OR SIDING.
If extra elbows are being used, overall allowable length will be reduced by 3 ft (91.5 cm) per
additional elbow.
Simpson Duravent (SD), Selkirk (SEL), and Security Chimneys (SC), must state if galvanized or black wanted, PART NUMBERS:
SD SEL SC Description SD SEL SC Description
908 4DT-6 SV4L6 6” pipe length 911 11” to 14
5
/8” pipe, adjustable
907 4DT-9 9” pipe length 4DT-AJ 4” to 10” pipe , adjustable
906 4DT-12 SV4L12 12” pipe length SV4LA12 1” to 12” pipe , adjustable
904 4DT-24 SV4L24 24” pipe length 943 4DT-AF6 Flashing, 0/12 to 6/12 roof pitch
903 4DT-36 SV4L36 36” pipe length 943S 4DT-AF12 Flashing, 7/12 to 12/12 roof pitch
902 4DT-48 SV4L48 48” pipe length SV4FA Flashing, 1/12 to 7/12 roof pitch
945 4DT-EL45 SV4EBR45 45° elbow, black SV4FB Flashing, 8/12 to 12/12 roof pitch
990 4DT-EL90 SV4EBR90 90° elbow, black 943F SV4F Flat ashing
950 4DT-VS SV4VS Vinyl siding standoff/sheild 980 4DT-VC SV4CGV Vertical termination
942 4DT-WT SV4RSN Wall thimble 991 4DT-HVC High wind vertical termination
941 4DT-CSS SV4CSB Cathedral Support Box 984 4DT-HC SV4CHC Horizontal square termination
981 4DT-ST36 SV4STC36 36” Snorkel Termination 985 4DT-HHC High wind horizontal termination
953 4DT-SC SV4FC Storm collar 978 4DT-VKC SV0FAK Vertical termination kit
963 4DT-FS SV4BF Fire stop 970 4DT-HKA SV0SHK Horizontal termination kit
SD: Basic Kit, SEL: Kit A, SC: Standard Kit
988 4DT-WS/B SV4BM Wall strap/support/band
971 4DT-HKB SV0SHK2 Horizontal termination kit
SD: Kit A, SEL: Kit B, SC: Kit
Initial Installation
QUALIFIED INSTALLERS ONLY
PLANNING YOUR INSTALLATION:
When planning your installation, it will be necessary to select the proper length of vent pipe for your particular
requirements. It is important to note when passing through a wall, the maximum allowable wall thickness is
10 inches (25.4 cm), 1 inches (3.8 cm) clearance to combustibles must be maintained. Select the amount of
vertical rise desired for “vertical-to-horizontal” type installations. To determine the length of vent pipe required for
vertical installations, measure the distance from the appliance ue outlet to the ceiling, the ceiling thickness, the
vertical rise through the attic or second story, and allow for sufcient vent height above the rooine. For two story
applications, a re stop is required at each oor level. If an offset is needed in the attic, additional pipe and elbows
will be required. To connect the venting system to the appliance ue outlet, a twist-lock adapter is built into the
appliance at the factory. Refer to ‘Vent Conguration and Restrictor Settings’ for venting parameters.
Table 2: Vent Pipe Types with Part Numbers.
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