240012994 Rev. B [08/31/2020]
RETAIN THESE INSTRUCTIONS
FOR
FUTURE REFERENCE
These instructions must be axed
on or adjacent to the boiler.
CONDENSING
WALL MOUNTED GAS
BOILER
INSTALLATION
INSTRUCTIONS
PRODUCT LITERATURE
Lennox Industries Inc.
Dallas, Texas
WALL MOUNTED GAS-FIRED HOT WATER
BOILERS
These Gas-Fired Water boilers are low pressure, Design
Certied by CSA (Canadian Standards Association) for use
with Natural and Propane Gases. They are constructed
and hydrostatically tested for a 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 Heating Boilers.
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 qualied installer, service agency, or the gas
supplier.
GCWB95W-150
GCWB95W-205
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