1
107362-01 - 8/17
Price - $5.00
9700609
As an ENERGY STAR
®
Partner, U.S. Boiler Company has determined that the ASPEN™ Series meets the ENERGY
STAR
®
guidelines for energy efciency established by the United States Environmental Protection Agency (EPA).
INSTALLATION, OPERATING AND
SERVICE INSTRUCTIONS FOR
ASPEN™
CONDENSING HIGH EFFICIENCY
DIRECT VENT
GAS - FIRED HOT WATER BOILER
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.
Space Heating Models:
• ASPN-085
• ASPN-110
• ASPN-155
• ASPN-205
• ASPN-270
Combi Domestic Hot Water
and Space Heating Model:
• ASPNC-155
TO THE INSTALLER: Afx these instructions adjacent to boiler.
TO THE CONSUMER: Retain these instructions for future reference.
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