The SureFlame is our line of commercial copper finned Boilers/Water Heaters available in models 420, 520 and 600 (MBTU/HR).

The SureFlame is an atmospheric Boiler/Water Heater delivering thermal efficiencies of up to 83%. The outer jacket is constructed of stainless steel and occupies a very small footprint. SureFlame offers a diagnostic light package for easy troubleshooting. The SmartFlame operating control mounted on the SureFlame boiler is a two-stage proportional set-point control. Controller provides, inlet/outlet temperature as well as delta temperature rise, three pre-set modes of operation, and many more functions.