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 I-Series condensing boiler](http://www.pmmag.com/ext/resources/Issues/2022/05-May/PM-0522-ProdFocus-img6.jpg?1651852651)
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