New! RRO Generation 2 – Coming soon

• DOE Heating Capacity 80,000 to 182,000
• Chimney vented
• Integrated boiler control
• Cast iron heat exchanger
• Tankless coil available
• Metal section connectors
• Designed for ease of service
• Lifetime limited warranty

* Boilers are shipped with smaller nozzle installed in the burner. Larger nozzle and corresponding rating label included and shipped loose.

NOTE: Nozzle size is not the same as GPH burner capacity, see specification sheet in O & I manual for specific nozzle size & specs.

RRO Generation 1 – Being phased out due to 2020 DOE requirements

• DOE Heating Capacity 80,000 to 179,000
• Chimney vented
• Integrated boiler control
• Cast iron heat exchanger
• Tankless coil available
• Metal section connectors
• Designed for ease of service
• Lifetime limited warranty