Augsut 01, 2016
7039-174C
11
Discovery I
3 ft. (91cm)
Minimum
Less than 10 ft. (305cm)
2 ft. (61cm)
3 ft. (91cm)
Minimum
10 ft. (305cm) To Nearest Roofline
2 ft. (61cm)
Pitched Roof
Figure 11.1
Figure 11.2
10 ft. (305cm) or more
3 ft. (91cm) Minimum
Less than 10 ft. (305cm)
2 ft. (61cm) Minimum
3 ft. (91cm) Minimum
Wall or Parapet
Flat Roof
C. 2-10-3 Rule
These are safety requirements and are not meant to
assure proper flue draft.
This appliance is made with a 6 inch (152mm) diameter
chimney connector as the flue collar on the appli-
ance.
• Changing the diameter of the chimney can affect draft
and cause poor performance.
• It is not recommended to use offsets and elbows at
altitudes above 4000 feet above sea level and or when
there are other factors that affect flue draft.
B. Chimney Termination Requirements
Follow manufacturer’s instructions for clearance, securing
flashing and terminating the chimney.
Fig. 11.1 & 11.2
•
Must have an approved and Listed cap
•
Must not be located where it will become plugged by
snow or other material
• Must terminate at least 3 feet (91cm) above the roof
and
at least 2 feet (61cm) above any portion of the
roof within 10 feet (305cm).
• Must be located away from trees or other structures
NOTICE:
• Chimney performance may vary.
• Trees, buildings, roof lines and wind conditions affect
performance.
• Chimney height may need adjustment if smoking or
overdraft occurs.
NOTICE:
Locating the appliance in a basement or in a
location of considerable air movement can cause intermittent
smoke spillage from appliance. Do not locate appliance near
• Frequently open doors
• Central heat outlets or returns