Avenger Series

The Avenger is a two-pass counter flow fire tube commercial boiler for hydronic heating and hot water supply. It features thermal efficiencies of up to 98% and turndown ratios of up to 25:1.

Standard Features

  • Models range from 1 million BTU/hr up to 4 million BTU/hr
  • 160 PSI working pressure
  • Fully welded construction with stainless steel pressure vessel, tubes, tube sheets and combustion chamber
  • Modulating burner with up to 25:1 turn-down
  • ASME “H” and “HLW” stamped heat exchanger
  • Operating pressure as low as 12 PSI
  • Natural or propane gas operation
  • Radial fired knitted fiber stainless steel burner
  • Variable frequency drive (VFD) modulation
  • Modbus RTU standard, Protocol Translator available for other communication needs
  • Low NOx operation
  • Sealed combustion
  • Return water temperatures as low as 40°F
  • Inherent O2 trim
  • 1 to 1 air/gas ratio control for proper combustion across entire modulation range
  • Rear Connections; water, gas, vent and electric
  • Local/Remote switch for building management, remote modulation and set-point control
  • SOLA Controller featuring cascade controls- lead lag up to 8 boilers on a single system

Flow switch, pressure relief valve, low gas pressure switch and flame failure contacts are standard on every Avenger