Owner`s manual
February 20, 2011
7039-131I
Page 15
2100 Millennium Wood Stove (ACC)
Thimble
Site constructed for masonry chimney installation:
Components
• A minimum length of 12 inches [305mm] (longer for
thicker walls) of solid insulated factory-built chimney
length constructed to UL 103 Type HT 6 inch (152mm)
inside diameter. Chimney needs to extend a minimum
of 2 inches (51mm) from the interior wall and a mini-
mum of 1 inch (25mm) from the exterior wall.
• Wall spacer, trim collar and wall band to t solid pack
chimney selected.
• Minimum 8 inch (203mm) diameter clay liner section (if
not already present in chimney) and refractory mortar.
Air Clearances
• Masonry chimney clearance must meet NFPA 211 mini-
mum requirement of 2 inches (51mm) to sheet metal
supports and combustibles.
• Minimum of 1 inch (25mm) clearance around the chim-
ney connector.
• Top of wall opening is a minimum of 13-1/2 inches
(343mm) from ceiling or 4-1/2 inches (114mm) below
minimum clearance specied by chimney connector
manufacturer. NFPA 211 minimum vertical clearance of
18 inches (457mm) from chimney connector and ceil-
ing or minimum recommended by chimney connector
manufacturer. Figure 15.1.
Instructions:
1. Open inside wall at proper height for the chimney con-
nector to entry the masonry chimney. Figure 15.1
2. Entry hole to masonry chimney must be lined with an 8
inch (203mm) minimum diameter clay liner, or equiva-
lent, secured with refractory mortar.
3. Construct a 17 inch x 17 inch (432mm x 432mm) out-
side dimension frame from 2 x 2 framing lumber to
t into wall opening. Inside opening of frame should
be no less than 14 inch x 14 inch (356mm x 356mm).
Figure 15.1.
4. Attach the wall spacer to the chimney side of the
frame.
5. Nail the frame into the wall opening. The spacer should
be on the chimney side.
6. Insert the section of the solid insulated chimney into
the outer wall of the masonry chimney.
7. Tightly secure the length of the solid insulated chimney
with the wall band to the masonry chimney.
8. Insert a section of chimney connector into the chimney.
Make sure it does not protrude past the edge of the
clay chimney liner inside the chimney.
9. Seal the end of the chimney connector to the clay liner
with refractory mortar.
10.
Install trim collar around the sold pack chimney section
.
Figure 15.1
Trim Collar
Chimney Section
with 2 inch
(51mm)
Clearance to
Combustibles
Chimney
Connector
Fire Clay Flue
Liner
with Airspace
Masonry
Chimney
Wall Band to
Secure Chimney
Section
Wood Studs Used
for Framing - Spaced
2 inch (51mm)
clearance from
Masonry Chimney
Wall Spacer
Solid Pack Chimney with Metal Supports as a Thimble
Figure 15.2
Fire Risk.
Do NOT pack insulation or other combustibles between
spacers.
• ALWAYS maintain specied clearances around vent-
ing and spacers.
• Install spacers as specied.
Failure to keep insulation or other material away from
vent pipe may cause re.
WARNING