Vent clearances and framing, Warning – Hearth and Home Technologies GATEWAY User Manual
Page 19

Heat & Glo • Gateway • 288-900 Rev. W • 10/08
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B. Install Support Brackets
For Horizontal Runs - The PV-Flex vent system must
be supported at least every 5 feet to assure proper clear-
ances to combustibles is maintained.
To install support brackets for horizontal runs:
• Place the pipe supports around the vent pipe.
• Nail the pipe supports to the framing members.
8 FT.
(2.4 mm)
1 INCH
MIN.
(25.4 mm)
4 INCH
ELBOW
FLUE
OUTLET
4 INCH PIPE
B-VENT
WALL STUD
WALL BRACKET
Figure 6.2 Installing Support Brackets
FLOOR
JOISTS
PLUMBERS STRAP
1 in. MIN.
1 in. MIN.
1 in. MIN.
FLOOR
1-1/2 in.
MIN.
PV-FLEX
Figure 6.1 Supporting PV-fl ex
For Vertical Runs - The vent system (B-Vent and PV-Flex)
must be supported every eight 8 feet to maintain clearanc-
es to combustibles 1 inch on all sides.
To install support brackets for vertical runs:
• Attach wall brackets to the vent pipe and secure the wall
bracket to the framing members with nails or screws.
Fire Hazard
Keep loose materials or blown insulation from
touching the vent pipe.
• National building codes recommend using
attic shield to keep loose materials/ blown
insulation from contacting vent.
• Hearth & Home Technologies requires the use
of an attic shield.
A. Pipe Clearances to Combustibles
6
6
Vent Clearances and Framing
Fire Risk.
Explosion Risk.
Maintain vent clearance to combustibles as
specifi ed.
• Do not pack air space with insulation or other
materials.
• National building codes recommend using
attic shield to keep loose materials/insulation
from contacting vent.
WARNING
Failure to keep insulation or other materials away from vent
pipe may cause fi re.
WARNING