Enviro 828 DV.INS. - Manual (Page 13)

These models have been tested and certified for use with SIMPSON DURAVENT DIRECT VENT TYPE "GS" PIPE FOR GAS
STOVE. Kits are available for vertical venting or horizontal venting. It is recommended that a bead of RTV High Temperature
Silicone be applied to each vent joint before installation.
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.
VENTING TERMINALS CANNOT BE RECESSED INTO A WALL OR SIDING. FOLLOW THE VENTING SHOWN IN PRECISELY.
These models have been tested and certified for use with SIMPSON DURAVENT DIRECT VENT TYPE "GS" PIPE
FOR GAS STOVES. 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.
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
PLANNING YOUR INSTALLATION
There are two basic types of Direct Vent System installations. The two types of installations are:
Simpson Duravent Parts
Number Description 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 14-5/8" Pipe , Adjustable, Black
945 (B) 45 ° Elbow, (Black)
943S Flashing, 7/12 to 12/12 Roof Pitch
953 Storm Collar
990 (B) 90 ° Elbow, (Black)
940 Round Support / Wall Thimble Cover
941 Cathedral Ceiling Support Box
943 Flashing, 0/12 to 6/12 Roof Pitch
963 Ceiling Firestop
988 Wall Strap
984 Horizontal Square Termination
985 High Wind Horizontal Termination
980 Vertical Termination
991 High Wind Vertical Termination
950 Vinyl Siding Standoff
942 Wall Thimble
971 Horizontal Termination Kit A
Add suffix (B) for optional black parts as listed.
Vertical Termination Horizontal Termination
13