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DV425TR DIRECT VENT ROOM HEATER
02/01 Page 20 250-5533
SIMPSON DURA-VENT PARTS LIST
DURA-VENT GS Venting System Components
Catalog # Description
908B 6'' Black Vent (4''/6'')
907B 9'' Black Vent (4''/6'')
906B 12'' Black Vent (4''/6'')
906 12'' Galvanized Vent (4''/6'')
904B 24'' Black Vent (4''/6'')
904 24'' Galvanized Vent (4''/6'')
903B 36'' Black Vent (4''/6'')
903 36'' Galvanized Vent (4''/6'')
902B 48'' Black Vent (4''/6'')
902 48'' Galvanized Vent (4''/6'')
911B 12'' (11”–14 5/8”) Adjustable Vent Black
945B 45° Elbow Black
945 45° Elbow Galvanized
990B 90° Elbow Black
990 90° Elbow Galvanized
940 Round Ceiling Support/Wall Thimble
941 Cathedral Ceiling Support Box
943 Flashing 0/12 - 6/12
943S Flashing 7/12 - 12/12
923GCL Co-axial / Co-lineal Appliance Connector
923GK Chimney liner termination kit
953 Storm Collar
963 Firestop Spacer
988 Wall Strap
981 Snorkel Termination (36'')
982 Snorkel Termination (14'')
971 Horizontal Kit (Horizontal Termination Cap, One 90° Black Elbow, Wall Thimble,
24” Black Pipe, 11” - 14-5/8” Adjustable Vent
982 14" Snorkle
985 Horizontal Termination Cap (Highwind)
909B Retrofit Adjustable Chimney Connector Retrofit Chimney Connector Plate
950 VSS - Vinyl Siding Standoff/Shield
991 High Wind Vertical Termination Cap
3951 Round Ceiling Support/Wall Thimble Trim Kit, Polished Brass
3960 Cathedral Ceiling Support Trim Kit, Polished Brass
Simpson Dura-Vent offers a complete line of component parts for installation in both horizontal and vertical
applications. Many items are offered in decorative black, as well as a galvanized finish.
The galvanized pipe and fittings are used for concealed locations such as attics, or spaces where corrosion
is a factor, such as above the roofline.
Decorative brass and chrome trim kits are available for both wall thimbles and ceiling support boxes. Snorkel
terminations are available for applications which may require a vertical rise on the building exterior.
The following components on pages 20 and 21, have been approved for use with the DV425TR.