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Legacy Stoves coal boilers are designed for
burning coal with maximum e:ciency and
convenience in hand-9red boilers.
Be sure the boiler vessel is full of
water and pressurized before
starting a fire.
WOOD VS COAL
Note: Your Legacy Stoves SF170/SF270 boiler is
only approved for coal. EPA regulations prohibit
the use of these models for wood burning. You
must use an EPA approved appliance for burning
wood. Wood may be used in preparation for a
coal fire only.
e conditions required for burning the two fuels
e:ciently are considerably di<erent. With coal the
combustion air must be drawn up through the bed
of coal, whereas with wood the air should enter
through the dra; control mounted on the door and
the live coals should be held in the center of the 9re
to maintain a higher temperature for most e:cient
combustion. Wood is only to be used for start-up to
prepare the boiler for starting a coal 9re.
Adjusting Automatic Draft Controls
In order for your new heater to function, controls
must be properly adjusted.
regulated primarily by the automatic dra; control
on the bo=om door.
and closes the Eapper door [B]. Opening and closing
the Eapper door regulates the airEow to the 9rebox.
e maximum air Eow can be adjusted by turning
the adjusting bolt [C] counterclockwise for more air,
and clockwise for less. Make all such adjustments
only when the Eapper is in the closed position.
Operation and Maintenance
e heat output is
e electric motor [A] opens
Note: All adjustments of air flow using the air
adjustment bolt must be done when the flapper
air inlet is closed. Failure to do so could result in
motor damage.
e idle adjuster [D] controls the minimum amount
of air that enters the 9rebox when the Eapper door
is closed. Adjustment is made by turning the
adjuster vertical for zero air, or horizontal for
maximum air. It is best to start at a medium se=ing
as shown in the diagram that follows.
Automatic Draft Controls
Fuel Capacity – Wood or Coal
When starting a 9re with wood, the maximum
amount of wood loaded should be the amount of
wood needed to e:ciently start a coal 9re.
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is will
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