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5.
Attach enough vent pipe so that when installed in wall opening
the vent pipe will extend above the ceiling plate by at least 6"
(152 mm).
6. Insert header plate with attached 4" oval, double wall vent pipe
into wall opening.
6" MINIMUM
(152mm)
HEADER ASSEMBLY
BOTTOM OF
NAILING FLANGE
62 3/8"
(1584mm)
Page 12
ROUGH-IN INSTRUCTIONS
TOP OF FLOOR PLATE
Figure 18
7. Position header plate at height shown in Figure 18.
8. Locate rear edge of nailing flange at the back of the 2" x 4"
stud which will center the vent collar in the wall.
9. Locate the angled edge of header plate flush with the top of
the wall opening.
10. Secure header plate to the wall studs with four (4) #10 x 1"
screws provided or nails.
23800-5-0909
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