P/N# 14683450, Rev. B [09/08]
RETAIN THESE INSTRUCTIONS FOR
FUTURE REFERENCE
These instructions must be
afxed on or adjacent to the boiler.
WARNING
Improper installation, adjustment,
alteration, service, or maintenance can
cause injury or property damage. Refer
to this manual. For assistance or additional
information consult a qualied installer,
service agency, or the gas supplier.
GWB9
GAS-FIRED, DIRECT VENT,
CONDENSING, HOT WATER
BOIlER
INSTALLATION
INSTRUCTIONS
PRODUCT LITERATURE
Lennox Industries Inc.
Dallas, Texas