Heatilator • I60 US-CAN • 4013-202 Rev F • 11/07
22
Slanted Roofs
Flat Roofs
Chimney must
extend 3 ft (.9 m)
above the roof
Chimney must extend 2 ft (.6 m)
above any portion of the roof
within 10 ft (3 m) of the chimney
Chimney must
extend 3 ft (.9 m)
above the roof
Chimney must extend 2 ft (.6 m)
above any portion of the roof
within 10 ft (3 m) of the chimney
Figure 6.1 Termination Requirements
A Gas
Termination
Wood or Fuel Oil Termination
B
6 in.
(152 mm) min.
20 in.
(508 mm) min.
Gas, Wood or Fuel
Oil Termination
8 ft
(2.44 m)
(min. for B-Vent)
20 in.
(508 mm)
(min. for direct vent)
to
Perpendicular
Wall
18 in.
(457 mm)
A
Gas
Termination
B
Termination Caps Staggered Height
Gas, Wood or Fuel
Oil Termination
Wood
20 in. min.
*
(508 mm)
Termination Caps Same Height
* If using decorative cap cover(s), this distance may
need to be increased. Refer to the installation instruc-
tions supplied with the decorative cap cover.
8 ft
(2.44 m)
(min. for B-Vent)
20 in.
(508 mm)
(min. for direct vent)
to
Perpendicular
Wall
Figure 6.2 Multiple Chimneys
6
6
Complete the Enclosure
A. Chimney Termination
Chimney Termination Requirements (See Figures 6.1 and 6.2)
• Must have a cap approved and listed for this
fi
replace system
• Must not be located where it will become plugged by snow or other material
• Must terminate at least 3 ft (914 mm) above the roof
and
at least 2 ft (610 mm) above any portion of the roof within 10 ft
(3.05 m)
• Must be located away from trees or other structures