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August 13, 2009
7034-106F
Page 17
Mt. Vernon Pellet Stove (AE)
Fire Risk.
Inspection of Chimney:
• Masonry chimney must be in good condition.
• Meets minimum standard of NFPA
11
• Factory-built chimney must be a minimum 6 inch (15mm)
UL10 HT.
WARNING
F. Masonry
G. Alternate Masonry
Non-combustible Hearth Pad
Airtight clean-out door
Sheathing
Flashing
1 in. (5mm) clearance
1 in. (5mm) clearance
with firestop
6 in. (15mm)
minimum
Fireclay Flue Liner
with airspace
Concrete Cap
in. (51mm) minimum to
combustible material
Figure 17.1
Figure 17.2
Non-combustible Hearth Pad
Airtight
Clean-out Door
Clean-out cover
Sheathing
1 in. (5mm) clearance
Flashing
Fireclay flue
liner with airspace
Concrete Cap
1 in. (5mm) clearance
with firestop
6 in. (15mm)
minimum
in. (76mm) minimum to
combustible material