Owner`s manual
December 16, 2011
7037-135H
Page17
4300 Wood Stove Series (ACC)
R
Thimble
Siteconstructedformasonrychimneyinstallation:
Components
• A minimum length of 12 inches [305mm] (longer for
thicker walls) of solid insulated factory-built chimney
lengthconstructedtoUL103TypeHT6inch(152mm)
insidediameter.Chimneyneedstoextendaminimum
of 2 inches (51mm) from the interior wall and a mini-
mumof1inch(25mm)fromtheexteriorwall.
• Wallspacer,trimcollar andwallbandtot solidpack
chimneyselected.
• Minimum8inch(203mm)diameterclaylinersection(if
notalreadypresentinchimney)andrefractorymortar.
Air Clearances
•MasonrychimneyclearancemustmeetNFPA211mini-
mum requirement of 2 inches (51mm) to sheet metal
supportsandcombustibles.
•Minimumof1inch(25mm)clearancearoundthechim-
neyconnector.
•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.NFPA211minimumverticalclearanceof
18inches(457mm)from chimney connectorandceil-
ing or minimum recommended by chimney connector
manufacturer.Figure 17.1.
Instructions:
1. Openinsidewallatproperheightforthechimneycon-
nectortoentrythemasonrychimney. Figure 17.1.
2. Entryholetomasonrychimneymustbelinedwithan8
inch(203mm)minimumdiameterclayliner,orequiva-
lent,securedwithrefractorymortar.
3. Constructa17inchx17inch(432mmx432mm)out-
side dimension frame from 2 x 2 framing lumber to
tintowallopening. Insideopeningofframeshould
benolessthan14inchx14inch(356mmx356mm).
Figure 17.1.
4. Attach the wall spacer to the chimney side of the
frame.
5. Nailtheframeintothewallopening.Thespacershould
beonthechimneyside.
6. Insert the section of the solid insulated chimney into
theouterwallofthemasonrychimney.
7. Tightlysecurethelengthofthesolidinsulatedchimney
withthewallbandtothemasonrychimney.
8. Insertasectionofchimneyconnectorintothechimney.
Make sure it does not protrude past the edge of the
claychimneylinerinsidethechimney.
9. Sealtheendofthechimneyconnectortotheclayliner
withrefractorymortar.
10.
Installtrimcollararoundthesoldpackchimneysection
.
Figure 17.1
TrimCollar
ChimneySection
with2in.(51mm)
Clearanceto
Combustibles
Chimney
Connector
FireClayFlue
Liner
with Airspace
Masonry
Chimney
WallBandto
SecureChimney
Section
WoodStudsUsedfor
Framing-Spaced2in.
(51mm)clearancefrom
MasonryChimney
WallSpacer
Solid Pack Chimney with Metal Supports as a Thimble
Figure 17.2
Fire Risk.
DoNOTpackinsulationorothercombustiblesbetween
spacers.
• ALWAYSmaintainspeciedclearancesaroundvent-
ingandspacers.
• Installspacersasspecied.
Failuretokeepinsulationorothermaterialawayfrom
ventpipemaycausere.
WARNING
1.5”
1.0”
2.0”
2.0”
1.5”
14.0” ID
17.0” OD
ceiling
Minimum18.0”
NFPA 211
13.5” below ceiling to top
of opening
1.0”
8.0”
1.5 2x2 framing stud
2.0 min air clearance
1.0 min air clearance
4.5
or top of opening is a min.of
4.5” below min.clearance
specified by connector mfg.
Center of Hole
Thimble
C
L
C
L
Wall
Include depth
of hearth pad










