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