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GB100W NATURAL OR PROPANE BOILER
INSTALLATION AND OPERATING INSTRUCTIONS
Direct all questions to your Smith Cast Iron Boiler
distributor or write to the Customer Service Department,
260 North Elm Street, Westfield, MA 01085. Always
include the model and serial numbers from the rating
plate of the boiler in question.
The owner should maintain a record of all service work
performed with the date and a description of the work
done. Include the name of the service organization for
future reference.
Where required by the authority having jurisdiction, the
installation must conform to the Standard for Controls
and Safety Devices for Automatically Fired Boilers,
ANSI/ ASME CSD-1.
The installation must conform to the requirements of
the authority having jurisdiction or, in the absence of
such requirements, to the National Fuel Gas Code,
ANSI Z223.1/NFPA 54-latest revision. In Canada,
installation must be in accordance with the requirements
of CAN/CGA B149.1 or 2 Installation Code for Gas
Burning Appliances and Equipment.
BOILER RATINGS AND CAPACITIES
Before undertaking the installation of the GB100W
check the boiler rating plate to ensure that the boiler is
the proper size for the job. The “Net I=B=R Ratings”
specify the equivalent amount of direct cast iron
radiation that the boiler can handle under normal
conditions. Also ensure that the boiler has been set up
for the type of gas available at the installation site.
Other important considerations are the availability of
an adequate electrical supply, fresh air for combustion
and a suitable chimney or vent system.
NOTES:
1. For altitudes above 2000 ft,
610 m
, ratings should
be reduced at the rate of 4% for each 1000 ft,
305
m
above sea level, 10% in Canada.
2. If ordering a boiler for use with LP gas add a P to
the model number, ie PGB100.
BOILER LOCATION
WARNING: This boiler is for installation on non-
combustible floors only! A special base
supplied by the manufacturer must be used to
install this boiler on a combustible floor. Failure
to comply with this warning can result in
property damage, severe personal injury or
death!
1. Locate the boiler in an area that provides good
access to the unit. Keep in mind that servicing may
require the removal of jacket panels. Accessibility
clearances must take precedence over fire
protection clearances.
2. An optimum site will be level, central to the piping
system, close to a chimney and have adequate
fresh air for combustion.
3. Ensure that the floor is structurally sound and will
support the weight of the boiler. This boiler is
designed for non combustible floors only! A special
base supplied by Smith Cast Iron Boilers must be
used if the boiler is to be installed on a combustible
floor. NEVER USE A SUBSTITUTE BASE ON A
COMBUSTIBLE FLOOR! Never install this boiler on
carpeting!
4. DO NOT install this boiler in a location that would
subject any of the gas ignition components to direct
contact with water or excessive moisture during
operation or servicing.
5. DO NOT place this boiler in a location that would
restrict the introduction of combustion air into the
boiler. NEVER store objects on or around the boiler.
WARNING: Never store combustible materials,
gasoline or any product containing flammable
vapors or liquids in the vicinity of the boiler.
Failure to comply with this warning can result in
extensive property damage, severe personal
injury or death!