CHS398100HViN CHS398-H Model Series

Demand Duo™ H-Series Hybrid Water Heating System

With Rinnai’s new Demand Duo H-Series, reliable hot water comes in a high-performance, high-efficiency package that also reduces cost of ownership. Rinnai’s hybrid technology is unlike anything else on the market, ensuring a longer service life than high-efficiency tanks, while also saving valuable commercial space. The tankless engines for the Demand Duo 2V are stacked vertically to deliver redundancy and eliminate "no hot water" events that affect profitability.

  • 97% Thermal Efficiency
  • Warranty 6yrs on tank/ 5 years on all parts
  • Up to twice the lifespan of most tanks
  • Never run out of hot water
  • Compact size to fit every space


iWarranty information is available in the Installation & Owner Manual.

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