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

Page 19

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Heat & Glo • Gateway • 288-900 Rev. W • 10/08

19

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