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4
Getting Started
A. Typical Appliance System
NOTICE: Illustrations and photos reflect typical installations and are for design purposes only. Illustrations/diagrams are not
drawn to scale. Actual product may vary from pictures in manual
Noncombustible roof
flashing maintains minimum
clearance around pipe
Listed B-Vent Pipe
Ceiling Firestop
on floor of attic
Framing/Header
(SECTION 5)
Gas Line
(SECTION 11)
Figure 4.1
Typical System
14
Installer Guide
Vertical Termination Cap
Storm Collar
Vent pipe penetrates roof,
preferably without affecting
roof rafters
Attic insulation shield (not shown) must be used here to
keep insulation away from vent pipe if attic is insulated.
Heatilator • BCBV36 • 4008-033 • Rev P • 8/12
Framing Headed off
in Ceiling Joists
(SECTION 8)
Optional
Wall Switch
Mantel & Mantel Leg
(SECTION 13)
Surround
Hearth Extension
(not required)
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