Hearth and Home Technologies B-Vent Gas Appliance CB4842MIR - Manual (Page 14)

Heatilator • Caliber Mesh BV Series • 4040-848 Rev G • 10/08 14
Noncombustible roof
flashing maintains minimum
clearance around pipe
Ceiling Firestop
on floor of attic
Listed B-Vent Pipe
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
Vertical Termination Cap
Storm Collar
Attic insulation shield (not shown) must be used here to
keep insulation away from vent pipe if attic is insulated.
Vent pipe penetrates roof,
preferably without affecting
roof rafters
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