Magnafire Chimney Specifics
A) Flue connecting pipe must not be less than 6 inches in
diameter and of 24 gauge or heavier.
B) Connecting pipe joints are to be secured with screws
(preferred) or pop rivets. Suggested location for
fasteners is at the 12/4/8 o’clock positions. Refractory
cement may be used at stove and chimney collar to
secure these connections. Keep in mind that
disassembly may be periodically needed, so that the
chimney and connecting pipe may be cleaned and
inspected.
C) Masonry Chimney Connections - A minimum of 12
inches of solid masonry is required around a 5/8 inch
thimble if the pipe passes through a combustible wall. It
is also acceptable to use a UL listed prefabricated wall
pass through. If such a pass through is used, all the
components comprising a complete pass through kit
must be included, as per manufacturer’s
recommendations.
D) Masonry Fireplace Chimney Connections - In some
situations, a code compliant chimney originally used for
a masonry 3replace may be used.
e chimney must be
lined with the needs of the heating appliance in mind,
including minimum and maximum sizes.
e lining will
comply with one of the following:
• Clay <ue lining complying with the requirements of
ASTM C315 or equivalent.
• Listed chimney lining systems complying with UL
1777.
• Factory-built chimneys or chimney units listed for
installation within masonry chimneys.
• Other approved materials that will resist corrosion,
erosion, softening, or cracking from <ue gases and
condensate at temperatures up to 1,800º F. (982º C)
Insulated liners work best for maintaining good draft. In addition
to the requirements found in the previous paragraphs, it is
important to be aware that all clearances must be met, including
those from the chimney connector to combustibles. Do not forget
to include <oor protection in your plans. (See Clearances and
Floor Protection) Since many 3replaces have exposed wooden
mantels and trim, pay special a,ention to the clearances
necessary to these materials. If your 3replace chimney is behind
a combustible wall, you must use an approved wall pass-through
system to gain access to the masonry chimney.
e chimney
connector must enter the chimney at a place where it is lined,
and the 3replace must be made inoperable. For example, you
might remove the damper, replacing it with a secure, airtight,
noncombustible seal (removable for inspection); this also satis3es
the requirement that no room air must be allowed to enter the
chimney.
-11-
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Summary of Contents for SF250 Tribute
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