Hearth and Home Technologies A42CH EN - Manual (Page 7)

Heatilator • A36C & A42C • 28396 Rev Y • 10/06 7
C. Typical Fireplace System
The Heatilator fi replace system consists of the following:
• Fireplace/integral grate/refractory/outside air system
• Chimney termination cap
• Chimney
system
• Hearth extension
Termination cap
Chimney penetrates roof
preferably without affecting
roof rafters
Offset/Return (with hanger straps)
Framing headed off
in ceiling joists
Enclosed space above
and around fireplace
Mantel and surround
Decorative facing
and trim
Hearth extension
Factory-built fireplace
Protective metal
hearth strip(s)
Outside
combustion air
Combustible
framing/header
on top of
V-shaped
standoffs
(spacers)
Chimney system
Ceiling firestop
on floor of attic
Support straps
on rafter supports
chimney (not shown)
Non-combustible
roof flashing maintains
minimum clearance
around chimney
Additional lateral
support for chimney
above roof (or enclosed
in chase) if needed
Attic insulation shield (not shown) must
be used here to keep insulation away
from chimney if attic is insulated
Storm Collar
Figure 2.2 Typical Fireplace System
Note:Junction box should be installed during
initial setup to avoid major reconstruction.
Optional components include:
• Glass doors
• Chimney air kit
• Fan
kit