1
105337-03 - 5/15
Price - $5.00
WARNING: Improper installation, adjustment, alteration, service or maintenance can cause property damage,
injury, or loss of life. For assistance or additional information, consult a qualied installer, service agency or the
gas supplier. This boiler requires a special venting system. Read these instructions carefully before installing.
9700609
As an ENERGY STAR
®
Partner, U.S. Boiler Company has determined that the K2™ Series meets the ENERGY
STAR
®
guidelines for energy efciency established by the United States Environmental Protection Agency (EPA).
OPERATING INSTRUCTIONS
FOR
K2™
CONDENSING HIGH EFFICIENCY
DIRECT VENT
GAS - FIRED HOT WATER BOILER