I-SERIES Condensing Gas Boiler

High Output Delivery of Domestic Hot Water and Central Heating

The perfect combination of reliability, technology, and performance in one compact unit. The Rinnai I-Series condensing gas boiler product lineup consists of heat-only and combi models that consistently provide simultaneous delivery of hot water and home heating without interruption.

VIEW MODELS

EFFICIENT HEAT OUTPUT

Whether providing home heating or simultaneous domestic hot water you can expect consistent and even heat that enhances your comfort while lowering utility costs.

OPERATIONAL PERFORMANCE

Integrated bypass mixing valve provides precise temperature control eliminating the need for thermostatic mixing valves.

DUAL HEATING DELIVERY

Integrated pump relays allow for either two-zone heating or domestic hot water recirculation for combi models.

HIGH AFUE ENERGY RATING

High turn down ratio and outdoor reset help optimize home heating performance delivering energy efficiency up to 95% AFUE.

EASE OF SERVICEABILITY

Integrated troubleshooting and diagnostic features with modular and compact design allows ease of serviceability while minimizing downtime.

USER-FRIENDLY CONTROLS

Easy and simplified parameter settings for commissioning, setup and use.

i060SN

  • Heat-Only
  • Convertible
  • Indoor Only
CONTACT PRO FOR PRICING

i060CN

  • Combination
  • Convertible
  • Indoor Only
CONTACT PRO FOR PRICING

i090SN

  • Heat-Only
  • Convertible
  • Indoor Only
CONTACT PRO FOR PRICING

i090CN

  • Combination
  • Convertible
  • Indoor Only
CONTACT PRO FOR PRICING

i120SN

  • Heat-Only
  • Convertible
  • Indoor Only
CONTACT PRO FOR PRICING

i120CN

  • Combination
  • Convertible
  • Indoor Only
CONTACT PRO FOR PRICING

i150SN

  • Heat-Only
  • Convertible
  • Indoor Only
CONTACT PRO FOR PRICING

HAVE A QUESTION ABOUT HOME HEATING?

A Rinnai PRO is trained to answer your questions and provide you service or an installation quote that meets your needs.
Connect with a PRO today!

I am seeking *
I am also interested in...
Energy Source *
CONTACT SUPPORT

Speak with a Customer Care agent to ask a question or give us feedback

Contact
CONSUMER FINANCING

With flexible options there’s a program to fit every customer’s budget.

LEARN MORE
REBATES AVAILABLE

Find utility, state, and federal rebates for energy-saving Rinnai gas appliances.

Get Rebates