P/N# 240009135, Rev. C [06/2012]
RETAIN THESE INSTRUCTIONS FOR
FUTURE REFERENCE
These instructions must be affi xed on
or adjacent to the boiler.
GAS FIRED BOILER
INSTALLATION
INSTRUCTIONS
PRODUCT LITERATURE
Lennox Industries Inc.
Dallas, Texas
This boiler cannot be used with all types of
chimneys. Read these instructions carefully
before installing.
GAS-FIRED HOT WATER BOILERS
These Gas-Fired Water boilers are low pressure,
sectional cast iron boilers Design Certi
fi
ed by
CSA (Canadian Standards Association) for
use with Natural and Propane Gases. They
are constructed and hydrostatically tested for
maximum working pressure of 50 psi (pounds
per square inch) in accordance with A.S.M.E.
(American Society of Mechanical Engineers)
Boiler and Pressure Vessel Code Section IV
Standards for Cast Iron Heating Boilers.
C.S.A. Certifi ed
For Natural Gas Or Propane
Tested For 50 psi.
ASME
Working Pressure
WARNING
Improper installation, adjustment, alteration,
service, or maintenance could result in death
or serious injury. Refer to this manual for
assistance. For additional information consult
a quali
fi
ed installer, service agency, or the gas
supplier.
!
GWB8-042IE-2, GWB8-075IE-2
GWB8-112IE-2, GWB8-150IE-2
GWB8-187IE-2, GWB8-225IE-2