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Revised November 2009
AOSDG25300
Domestic Hot Water Boilers
UP TO 82% EFFICIENT HOT WATER SUPPLY BOILERS
The Dura-Max® series offers excellent performance and low-profile design flexibility for both
new construction and retrofit applications. A double-row, integral-finned copper tube heat
exchanger provides exceptional heat transfer efficiency. Each unit features a small footprint
with a built-in draft diverter for extra clearance to simplify installation. Reliable, quiet, drawer-
mounted stainless steel burners resist corrosion, improve access for easy maintenance.
FEATURES
100% ALL NON-FERROUS HEAT EXCHANGER WATERWAYS
of individual tubes
GASKETLESS WET SECTION
positioned away from and outside the combustion chamber
DRAWER-MOUNTED, STAINLESS STEEL DURA-MAX® BURNERS
COMPACT, LOW-PROFILE DESIGN
INTERMITTENT ELECTRONIC IGNITION
FACTORY-MOUNTED BRONZE-FITTED PUMP
reduces standby heat loss
MAXIMUM HYDROSTATIC WORKING PRESSURE: 160 PSI
MEETS CURRENT EDITION ASHRAE/IESNA 90.1
FIVE-YEAR HEAT EXCHANGER LIMITED WARRANTY
MODELS
DW-720
through
DW-1810
July 2011R
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