Combi Boilers

Comfort You Can Count On
Rinnai condensing boilers are user-friendly and dependable for heating your home and your water. Each model continually adjusts to maximize efficiency and optimize performance — providing comfort you can count on.

Flexible Options
Choose between heat-only boilers or combination boilers, offering both heating and hot water all in one unit. All boiler series support natural gas or propane.

Easy Installation
Each model offers reduced space requirements compared to traditional boilers, allowing for quick installations in existing homes and new construction.

Smarter is Better
Rinnai boilers include on-board display for easy navigation. Additionally, an outdoor reset sensor continually adjusts to changing temperatures.

The Best of Both Worlds
The perfect combination of reliability, technology and performance in one compact unit, a Rinnai I-Series condensing boiler can serve your home heating needs alone or can be combined with a tankless water heater for a dual-purpose home and water heating system.

Simultaneous delivery of hot water and home heating without disruption
Servo-based bypass control for precision domestic hot water (DHW) temperature control
Multiple heating zones possible

The Rinnai I-Series Boilers offer both heat-only and combination models with simultaneous delivery of heat and hot water in one unit. The perfect combination of reliability, technology, and performance in one compact unit. The high-output Rinnai I-Series consists of heat-only and combination models that consistently provide simultaneous delivery of hot water and home heating without interruption.

  • Dual Zone Heating
  • Hot Water Temperature Control
  • Built-in Recirculation for Combination Models
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