Brochure

52
Burkay
®
HW
Gas Models
Up To 82% Thermal Efficiency
Circulating Water Heaters and Hydronic
Heating Boilers
100% All Non-Ferrous Waterways
n
All waterways 100% copper, brass or bronze... resists thermal shock and corrosion buildup
Low Profile Diverter
n
Special design allows maximum installation flexibility
Copper Wall Combustion Chamber
n
Coils of tightly wound copper tubing form a unique and highly efficient combustion chamber
n
Optimum energy transfer achieved with integral extruded fin copper-finned tubes
Meets the thermal efficiency and standby loss requirements of the U.S. Department of Energy
and current edition of ASHRAE/IESNA90.1
5-Year Heat Exchanger Limited Warranty
(Domestic hot water supply)
10-Year Heat Exchanger Limited Warranty
(Hydronic heating applications - 300-670 models only)
TEMP
MODEL INPUT OUTPUT RISE VENT HT. DIA. DPT SHIP
NO. BTU/HOUR BTU/HOUR ºF-GPH DIA. WEIGHT
40 100 140
HW-120M 120,000 99,840 300 120 86 6 49-3/8 20-3/4 26-11/16 120
HW-160M 160,000 128,320 385 154 110 7 50-1/8 20-3/4 26-11/16 154
HW-200M 199,000 162,185 487 195 139 7 53-1/4 20-3/4 26-11/16 165
HW-225M 225,000* 180,900 543 217 155 7 60 20-3/4 26-11/16 175
HW-300 300,000 247,200 742 297 212 8 65 25-1/4 29-5/8 240
HW-399 399,000 322,790 969 388 277 10 57-1/8 27 31-1/2 291
HW-420 420,000 344,400 1034 413 295 10 57-1/8 27 31-1/2 291
HW-520 520,000 429,000 1288 515 368 10 68-5/16 27 36-1/2 361
HW-670 660,000 543,800 1632 656 466 12 67 27 38-1/4 361
All dimensions in inches
HW BURKAY MODELS
*Available in natural gas only
Famous Burkay
®
reliability. Because of their lightweight and compact design, they may be easily transported on a
two-wheel dolly replacing large boilers in a much smaller space. Burkay
®
models are for indoor use in installations
requiring higher inputs...up to 670,000 BTU. They can be manifolded for unlimited fire power.
AOSCA80000 R July 2014 Commercial Catalog_108078_ResidentialFul#7A635.qxd 7/16/14 4:30 PM Page 52