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REPAIR PARTS
AUTOMATIC WOOD BURNING CIRCULATOR HEATER
MODEL 2941 - INTERIOR
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of which is apparent: The chimney
provides a means for exhausting smoke
and flue gases resulting from combustion
of the fuel. Secondarily, though, the
chimney provides "Draft" which allows
oxygen to be continuously introduced
into the appliance, so that proper
combustion is possible. As of April 1,
1987, all heaters and furnaces
manufactured by United States Stove
Company should be installed using a
factory built chimney that meets the
"Type HT" requirement of UL 103 (when
a factory - built chimney is used).
IMPORTANT
*Size the chimney to the flue outlet on
the stove. (6" outlet = 6" I.D. chimney)
*Avoid using elbows except as
necessary (they reduce draft).
*Make sure all horizontal runs of con-
nector pipe go up hill (1/4" elevation for
each horizontal foot).
CHIMNEY CONNECTION
Two basic types of chimneys are ap-
proved for use with solid fuel: Factory-
built and masonry. Factory-built chimney
must comply with UL103HT standard.
Do not expect your stove or furnace to
create draft. Draft is not a function of the
appliance. Draft is purely a function of
the chimney. Modern stoves and
furnaces are much more air-tight and
efficient than those of the past and,
therefore require greater draft. A
minimum of .05, measured in water
column (gauges to measure chimney
draft are readily available at stove shops
and are economical to purchase or rent)
is required for proper drafting to prevent
back-puffing, smoke spillage, and to
maximize performance.
Chimneys perform two functions - one
FIG. 5
FIG. 6
Cathedral Ceiling - Chimney
Cap Mandatory
PIPE
FLOOR PROTECTOR
REFER TO CHIMNEY
MANUFACTURERS PARTS
AND INSTRUCTIONS
2 FT MIN.
10 FT.
3 FT.
MIN.
BAROMETRIC
DRAFT CONTROL
(OPTIONAL)
11 FT. MIN.
CHIMNEY CAP MANDATORY
PIPE
FLOOR PROTECTOR
REFER TO CHIMNEY
MANUFACTURERS PARTS
AND INSTRUCTIONS
2 FT MIN.
10 FT.
3 FT.
MIN.
BAROMETRIC
DRAFT CONTROL
(OPTIONAL)
11 FT. MIN.
CHIMNEY CAP MANDATORY
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DAMPER
DAMPER