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GB125 Concentric Vent
Design Manual
GB125 Concentric Vent Design Manual | 05 .2009
Technical specifications are subject to change without prior notice
Accessories for DO System
Select the appropriate roof jack or collar for the
application based on roof pitch and roof type. It is
recommended to consult a professional roofing contractor
to ensure structural damage to the building from leaks is
avoided.
Table 6
Part Number
Description
87094912
Roof collar flat roof H x DIA 3-1/2”x19-
1/2”(90x500mm) for DO-system
87094904
Roof collar flat roof H x DIA 9-1/2”x19-
1/2”(240x500mm) for DO-system
87094812
Roof jack 5-25° (12/1 to 12/6 pitch) for DO-
system
87094814
Roof jack 35-55° (12/8 to 12/18 pitch) for DO-
system
87094587
Concentric inspection Tee
87094556
Concentric Pipe DN80/125x500 19“ (500mm)
87094560
Concentric Pipe DN80/125x1000 39“ (1000mm)
87094600
Concentric Pipe DN80/125x2000 78“ (2000mm)
87094580
Concentric Elbow DN80/125x15 15 degrees
87094576
Concentric Elbow DN80/125x30 30 degrees
87094570
Concentric Elbow DN80/125x45 45 degrees
87094574
Concentric Elbow DN80/125x87 90 degrees
For more details consult the DO installation manual.