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37
For Vertical Terminations -
To locate the vent and
install the vent sections:
Locate and mark the vent centerpoint on the under-
side of the roof, and drive a nail through the
centerpoint.
Make the outline of the roof hole around the
centerpoint nail.
The size of the roof hole framing dimensions
depend on the pitch of the roof. There
MUST BE
a
1-inch (25.4 mm) clearance from the vertical vent
pipe to combustible materials.
Mark the roof hole accordingly.
Cover the opening of the installed vent pipes.
Cut and frame the roof hole.
Use framing lumber the same size as the roof
rafters and install the frame securely. Flashing
anchored to the frame must withstand heavy winds.
Continue to install concentric vent sections up
through the roof hole and up past the roof line until
you reach the appropriate distance above the roof.
WARNING
MAJOR U.S. BUILDING CODES
SPECIFY MINIMUM CHIMNEY AND/OR
VENT HEIGHT ABOVE THE ROOF TOP.
THESE MINIMUM HEIGHTS ARE
NECESSARY IN THE INTEREST OF
SAFETY. SEE THE FOLLOWING
DIAGRAM FOR MINIMUM HEIGHTS,
PROVIDED THE TERMINATION CAP IS
AT LEAST TWO (2) FEET FROM A
VERTICAL WALL AND 2-FEET BELOW A
HORIZONTAL OVERHANG.
NOTE
This also pertains to vertical vent systems installed
on the outside of the building.
Содержание SL-550TR
Страница 8: ...5 Figure 1 Diagram of the SL 950TR ...
Страница 9: ...6 Figure 2 Diagram of the SL 750TR and SL 750TRS ...
Страница 10: ...7 Figure 3 Diagram of the SL 550TR and SL 550TRS ...
Страница 15: ...12 Figure 8 SL D Series Direct Vent Component Specifications 4 inch inner pipe 6 5 8 inch outer pipe ...