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AO Smith®
AO Smith® Burkay® 100123142 HW-520 Circulating Water Heater, Natural Gas Fuel, 520000 Btu/hr Input, 1 in NPT Gas Connection
AO Smith®

AO Smith® Burkay® 100123142 HW-520 Circulating Water Heater, Natural Gas Fuel, 520000 Btu/hr Input, 1 in NPT Gas Connection

BrandAO Smith®
MFR Part No100123142
TSCO Part Number102058

Warranty Length

  • Limited

Features

  • Unique copper coil combustion chamber captures and maintains heat, delivering efficient hot water
  • Compact, horizontal heat exchanger design encircles the burner with a combustion chamber that is a 360° wall of copper fin tubes for maximum efficiency
  • Slow opening redundant gas valves ensure smooth light-off without flame roll-out or pilot outage
  • Patented thermal balancer delays pump shut off at end of heating cycle to remove usable heat from the heat exchanger and reduces scale formation
  • Proven pilot ignition system provides flame failure response in under one (1) second
  • Redundant high limit controls and gas valves assure safe shutoff in the event of overheating or flame failure

Standard Approvals

  • ASME Certified