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.

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

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)

990 (B) 90° Elbow, (Black)

940Round Support / Wall Thimble Cover

941Cathedral Ceiling Support Box

943

Flashing, 0/12 to 6/12 Roof Pitch

943S

Flashing, 7/12 to 12/12 Roof Pitch

953

Storm Collar

963

Ceiling Firestop

988

Wall Strap

984Horizontal Square Termination

985High 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.

PLANNING YOUR INSTALLATION

There are three basic types of Direct Vent System installations. The three types of installations are:

Vertical Termination

Horizontal Termination

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Enviro EG 33 Planning Your Installation, Vertical Termination, Venting Terminals Cannot be Recessed Into a Wall or Siding