Chimney Termination Requirements; 2-10-3 Rule - Heatilator ECO CHOICE ECO-ADV-WS22 Owner's Manual

ECO-ADV-WS22
B. Chimney Termination Requirements
Follow manufacturer's instructions for clearance, securing
flashing and terminating the chimney (Figure 34.1 & 34.2).
• 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.
3 ft (91 cm)
Minimum
Figure 34.1
Wall or Parapet
Figure 34.2
34
2 ft (61 cm)
10 ft (305 cm) To Nearest Roofline
10 ft. (305cm) or more
3 ft. (91cm) Minimum
7057-128K • October 24, 2018
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
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 appliance.
• 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.
Less than 10 ft (305 cm)
2 ft (61 cm)
Pitched Roof
3 ft. (91cm) Minimum
Flat Roof
3 ft (91 cm)
Minimum
Less than 10 ft. (305cm)
2 ft. (61cm) Minimum
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