The Rinnai I-Series condensing boiler simultaneously delivers domestic hot water and central heating to serve home heating needs. With dual zone heating, hot water temperature control and built-in recirculation for combination models, the I-Series condensing boiler is a perfect blend of reliability, technology and performance in one compact unit, the company notes.
Product Focus: Boilers
Rinnai Dual zone heating
![Rinnai Dual zone heating](http://www.pmengineer.com/ext/resources/Issues/2022/03-March/pme0322_Products_Rinnai-slide6.jpg?1646678080)