These models have been tested and certified for use with SIMPSON DURAVENT DIRECT VENT TYPE "GS" PIPE FOR GAS STOVES. SECURITY VENTING SYSTEMS (SECURE VENT) Kits are available for vertical venting or horizontal venting. It is recommended that a bead of RTV High Temperature Silicone be applied to each outer vent joint and milpac to each inner joint before installation.
This model has also been tested for horizontal venting installations when using SHERWOOD INDUSTRIES LTD. horizontal venting kit PART # EG
SHERWOOD INDUSTRIES LTD PARTS: |
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1 | Horizontal direct vent termination cap | 4 | Spring spacers |
1 | Flue collar adapter 5” tall (4 T20 Torx) | 3 | Decorative brass rings |
1 | Wall thimble | 1 | 4oz tube RTV silicone |
1 | Inside finish trim collar | 1 | 4oz can charcoal gray spray paint |
1 | 5’ length of 4” double walled flex pipe | 20 | 9/16” tech screw |
2 | 24” sections 6 5/8’ straight pipe | 8 | 1 1/2” wood screws |
1 | 6 5/8” 90° elbow | 1 | Vinyl siding deflector |
A MINIMUM VERTICAL LENGTH OF 24" TO THE FIRST 90 DEGREE ELBOW IS REQUIRED. WITH THIS MINIMUM
VERTICAL RISE, HORIZONTAL RUNS OF FROM ONE TO FOUR FEET 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. per additional elbow
Simpson Duravent Parts
Number Description
908B 6" Pipe Length, Black
907B 9" Pipe Length, Black
906 (B) 12" Pipe Length, (Black)
904 (B) 24" Pipe Length, (Black)
903 (B) 36" Pipe Length, (Black)
902 (B) 48" Pipe Length, (Black)
911 (B) 11" to
945 (B) 45° Elbow, (Black)
990 (B) 90° Elbow, (Black)
940Round Support / Wall Thimble Cover
941Cathedral Ceiling Support Box
943Flashing, 0/12 to 6/12 Roof Pitch
Add suffix (B) for optional black parts as listed.
NumberDescription
943S Flashing, 7/12 to 12/12 Roof Pitch
953Storm Collar
963Ceiling Firestop
988 | Wall Strap |
984Horizontal Square Termination
985High Wind Horizontal Termination
980Vertical Termination
991High Wind Vertical Termination
950Vinyl Siding Standoff
942 | Wall Thimble |
971 | Horizontal Termination Kit A |
PLANNING YOUR INSTALLATION
There are two basic types of Direct Vent System installations. The two types of installations are:
Vertical Termination | Horizontal Termination |
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