904 E. Pearson Street
Milwaukee, Wisconsin 53202
(414) 276-4822


The RBI Futera Fusion and the Reillo Array boiler are both condensing watertube boilers and offer guaranteed efficiency.
RBI Futera Fusion
  • Finned copper tube heat exchanger, ASME 160 psi max WP, 4-pass design
  • Rugged solid stainless steel secondary heat exchanger with extremely low pressure drop
  • Modulating temperature control mixing valve accurate to +/- 1 degree F
  • 4:1 Turndown, Full Modulation, Low NOx
  • Up to 99% Efficiency
RBI Futera Fusion
Reillo Array
  • Efficiency up to 99%
  • Turndown ratio up to 40:1
  • Patented heat exchanger geometry eliminating the need for internal baffles.
  • All water, gas, and venting connections on top
  • Small installed footprint
  • Extremely simple to service and maintain
Reillo Array