1,250 - 4,000 MBH


Torus boilers and water heaters bring next level performance in a small compact footprint to today's applications.

The RBI tradition of high quality, performance equipment in a user-friendly design continues with Torus.

Incorporating all industry-proven components including HeatNet 3.0 touchscreen cascade control and our Tru-Flow fuel/ air coupling system and capacities to 4000 MBH Torus has the solution for all commercial installations.

Ease of Service
Torus just may be the easiest piece of equipment ever to service. A unique burner door system provides easy access to both the burner and heat exchanger tube bundle. All burner doors come with a slide and hinge mechanism that easily slides outwards offering full access to the combustion chamber for annual inspection and service.
Features and Benefits:
  • 1250 - 4000 MBH
  • +96.5% AHRI Certified Boiler Efficiency
  • 4 Pass Double-Row Heat Exchanger (160 psi/ASME (H & HLW) Stamp)
  • 316L Stainless Steel
  • Variable Volume, Full Flow and Primary/Secondary
  • Full Modulation (5:1 water heater / 5:1 boiler)
  • HeatNet 3.0 Integrated Control Platform
  • Touchscreen Programming and Diagnostics
  • Modbus, LonWorks and BACnet BMS Integration
  • Low NOx and CO
  • Easy Maintenance and Installation
  • Category II and IV (up to 160')
  • PVC/CPVC, Polypropylene and Stainless Steel Vent Approved