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Heatilator • Caliber CNXT Series • 4047-132 Rev U • 11/08 15
Noncombustible roof
flashing maintains minimum
clearance around pipe
(SECTION 10)
Ceiling Firestop
on floor of attic
(SECTION 8)
Vent Pipe
(SECTIONS 7, 8, 10)
Framing/Header
(SECTION 5)
Gas Line
(SECTION 11)
Framing Headed off
in Ceiling Joists
(SECTION 8)
Mantel & Mantel Leg
(SECTION 13)
Surround
Hearth Extension
(not required)
Optional
Wall Switch
(SECTION 14)
Vertical Termination Cap
(SECTION 10)
Storm Collar
(SECTION 10)
Attic insulation shield (not shown) must be used here to
keep insulation away from vent pipe if attic is insulated.
(SECTION 8)
Vent pipe penetrates roof,
preferably without affecting
roof rafters
(SECTION 8)
A. Typical Appliance System
NOTICE: Illustrations and photos refl ect typical installations and are for design purposes only. Illustrations/diagrams are not
drawn to scale. Actual product may vary from pictures in manual
Figure 4.1 Typical System
4
4
Getting Started
Installer Guide
Horizontal
Termination
Cap
(SECTION )
Note: Dual venting confi gurations
ARE NOT allowed. Appliance
MUST be vented EITHER vertically
OR horizontally.