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SIMPSON DURA-VENT
NEE #
GS Pipe
Description
Coating
Inside
Diameter
Outside
Diameter
Pipe Length
SD-911
Adjustable
Galvanized
4
6 5/8
11 14 5/8
SD-911B
Adjustable
Black
4
6 5/8
11 14 5/8
SD-912
Adjustable
Galvanized
4
6 5/8
12 17
SD-912B
Adjustable
Black
4
6 5/8
12 17
SD-917
Adjustable
Galvanized
4
6 5/8
17 24
SD-917B
Adjustable
Black
4
6 5/8
17 24
SD-902
Direct Vent
Galvanized
4
6 5/8
48
SD-902B
Direct Vent
Black
4
6 5/8
48
SD-903
Direct Vent
Galvanized
4
6 5/8
36
SD-903B
Direct Vent
Black
4
6 5/8
36
SD-904
Direct Vent
Galvanized
4
6 5/8
24
SD-904B
Direct Vent
Black
4
6 5/8
24
SD-906
Direct Vent
Galvanized
4
6 5/8
12
SD-906B
Direct Vent
Black
4
6 5/8
12
SD-907
Direct Vent
Galvanized
4
6 5/8
9
SD-907B
Direct Vent
Black
4
6 5/8
9
SD-908
Direct Vent
Galvanized
4
6 5/8
6
SD-908B
Direct Vent
Black
4
6 5/8
6
Cathedral Ceiling Support Box
NEE #
Description
Coating
Inside
Dia.
Length
SD-941
For 4 x 6 5/8 Pipe
Black
6 7/8
10 5/8 L x 10 5/8 W x 14 H
Simpson Dura-Vent Adjustable GS Pipe Length features a fully unitized
twist-lock construction.
Use of sealant at the joint connections of the inner and outer pipe is optional,
unless specified by the appliance manufacturer.
n For installations through cathedral style ceilings.
n Painted black, 14 tall, trim included.
n Optional Designer Series Trim Kits are available.
Wall Straps
Used for supporting pipe and provides 1 clearance to attachment point. Recommend installing Wall Straps at 4-foot intervals on vertical runs.
NEE #
Description
Inside
Diameter
SD-988
For 4 x 6 5/8 Pipe
6 5/8
Chimney Liner
Termination Kit
NEE #
Description
SD-923GK
Termination Kit for co-linear installations. Includes Termination
Connector and Flashing.
Direct Vent GS 4 x 6 5/8 Termination Caps, Flex, and Co-Linear
Flex Connectors are sold separately.
Termination Kits
971P
978
NEE #
Description
SD-971
Horizontal Terminal Kit A for 4 x 6 5/8 Direct Vent. Includes 90 black elbow, wall thimble cover, square termination cap, 24 black pipe, 11 -14 5/8 adjustable black pipe.
SD-971P
Horizontal Terminal Kit A for 4 x 6 5/8 Direct Vent.
Includes 90 black elbow, wall thimble, wall thimble cover,
square termination cap, 24 black pipe, 11 -14 5/8 adjustable black pipe.
SD-978
Vertical Termination Kit for 4 x 6 5/8 Direct Vent. Includes
0/12-6/12 pitch adjustable flashing, storm collar, low profile
termination cap.
971
GS Pipe Lengths
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