ページ1に含まれる内容の要旨
Commercial Gas Boilers
MODELS
DW-720
through
UP TO 82% EFFICIENT HOT WATER SUPPLY BOILERS
DW-1810
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
ページ2に含まれる内容の要旨
Commercial Gas Boilers OTHER DURA-MAX® FEATURES l l MANUAL RESET, HIGH LIMIT ASME-RATED PRESSURE RELIEF VALVE 125# l l l SAFETY FLOW SWITCH REDUNDANT GAS VALVE MINIMUM CLEARANCES TO COMBUSTIBLES - ALL MODELS DURA-MAX® OPTIONS Inches CM q CSD-1 q NEW YORK CODE TOP 12 30.5 q CALIFORNIA CODE WATERSIDE 18 45.7 q PANEL MOUNTED INLET/OUTLET DIAL q THERMOMETERS AND PRESSURE GAUGE BLANK SIDE 6 15.5 q MOTORIZED MODULATING FIRE q DUAL STAGE FIRING REAR 6 15.5 q RIGHT HAND GAS AND/OR WATER CONNEC
ページ3に含まれる内容の要旨
Commercial Gas Boilers INPUT/OUTPUT, FLOW RATE (GALLONS AND LITRES PER MINUTE) AND PRESSURE DROP 20°F/11°C DELTA T 30°F/17°C DELTA T 40°F/22°C DELTA T MODEL BTU/HR. BTU/HR. MAXIMUM FLOW PRESSURE DROP MAXIMUM FLOW PRESSURE DROP MAXIMUM FLOW PRESSURE DROP NUMBER INPUT OUTPUT GPM LPM FEET METERS GPM LPM FEET METERS DW-720 720,000 583,200 59 223 3.5 1.1 39 149 1.7 0.5 29 111 1.0 0.3 DW-840 840,000 680,400 69 260 4.8 1.5 46 173 2.1 0.6 34 130 1.5 0.5 DW-960 960,000 777,600 79 297 6.8 2.1 52 198 3.3
ページ4に含まれる内容の要旨
Commercial Gas Boilers SUGGESTED SPECIFICATION The hot water supply boiler(s) shall be A. O. Smith Dura-Max® model DW ______ with an input rating of ______ BTU/hr and a recovery rating of ________________ BTU/hr at 100°F temperature rise. The boiler(s) shall be design-tested and certified to the ANSI Z21.13 standard, approved by CSA International and shall carry the ASME “H” Symbol. The wet section shall be design-registered in accordance with the requirements of the ASME Code and shall carry
