Vermont Castings • Merrimack Large Insert Owner’s Manual_R15 • 11/18
5
3-90-30004671
SAFETY NOTICE: IF YOUR MERRIMACK IS NOT
PROPERLY INSTALLED, A HOUSE FIRE MAY RESULT. TO
REDUCE THE RISK OF FIRE, FOLLOW THE INSTALLATION
INSTRUCTIONS. CONTACT LOCAL BUILDING OR FIRE
OFFICIALS ABOUT RESTRICTIONS AND INSTALLATION
INSPECTION REQUIREMENTS IN YOUR AREA.
Requirements for Existing Fireplaces
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Codes may permit removal of the damper in order to make
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to its original condition if the insert is removed. Do not remove
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The Merrimack Large Insert is not approved for
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Requirements for Existing Chimneys
Chimney requirements differ for the U.S. and Canada.
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to the chimney in accordance with local codes and the
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Chimney Height / U.S. and Canada
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DO NOT CONNECT YOUR MERRIMACK LARGE INSERT
TO A CHIMNEY FLUE SERVING ANOTHER APPLIANCE.
Installation
In the U.S. (ANSI/NFPA 211, 1988), when installed in a
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liner.
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to the chimney cavity.
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General Considerations / U.S.
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Vermont Castings Group strongly recommends that
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insert to the chimney top to increase overall performance
and to ease and reduce yearly maintenance.
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should have a
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tiles
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cm
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2' Min.
2' Min.
3'
Min.
0 To 10'
3'
Min.
0 To 10'
Reference
Point
Figure 2
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