The Biasi Riva is a wall mounted, standard efficiency boiler perfectly suited for systems utilizing traditional baseboard heating elements.  To reduce fuel consumption, the Riva operates “on-demand”, only firing when there is a call of heat or domestic hot water.  This boiler also modulates to perfectly match the heating or domestic load.


  • 84.5% Efficient
  • ASME Certified Heat Exchanger
  • CSA Approved
  • Output Modulates from 37,000 BTU to 101,000 BTU
  • Versatile Venting Solutions
  • Wall-Mounted


  • Ten Years for Primary Heat Exchanger, Two Years All Remaining Components