11
Use a roof flashing and
storm collar whenever passing
through the roof
Use a firestop whenever
passing through a ceiling
Use a support box
on exposed vent
36 ft. max.
24 ft.
12 ft.
0 ft
0 ft 20 ft.max
3 hole intake
restrictor for
12 feet or
higher vertical
Special Note for all Rigid Pipe Vent installations
Depending on the configuration starting at the rear of the fireplace either a 60
°
or 30
°
elbow will be required
to
allow proper alignment of subsequent piping:
*60
°
required for horizontal direction first
*30
°
required for vertical direction first
•
Up to four elbows (45º or 90º)
may be used
• Elbow combinations can be either
horizontal or vertical in any
combination that does not exceed
the four elbow limit.
• All venting configurations that fall
into the hatch area must have the 3
hole ring intake restrictor.
(See page 12 for detail)
•For all vertical venting a Simpson
Duravent P/N 58VA-VCH
termination is required. When using
CFH rigid venting a ATV58 adapter
is needed.
•
Verticle Flexible Chimney
installation must adhere to the same
specifications indicated in the
installation chart. Converting to an
approved rigid vent pipe/ flashing
system is required when passing
through any roof. Approved non-
combustible supports must be
installed. Firestops are required
when passing through floors and
ceiling as dictated by local codes.
Vertical Venting Installations
2 feet maximum horizontal venting
when utilizing zero (0) vertical rise.
