CHS320100HViN CHS320-H Model Series

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
  • 30,400 BTU (minimum)
    320,000 BTU (maximum)
  • Warranty
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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.

Supply Connections

Connection Connection Size
Gas 1-1/2" MNPT / (38 mm)
Cold Inlet 1-1/2" MNPT / (38 mm)
Hot Outlet 1-1/2" MNPT / (38 mm)
Product Weight 530 lb / (240 kg)
Gas Type Natural Gas
Recirculation Capable Yes
Residential ENERGY STAR® Yes
Wi-Fi Capable Yes
SCAQMD Approved Ultra Low NOx

Warranty information is available in the Installation & Owner Manual.

Browse product manuals, spec sheets, and other documentation below.

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100000686- H-Series Demand Duo 2 Installation and Operation Manual
PDF 7 MB
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Commercial WH Solutions Brochure_Installers
PDF 6 MB
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Demand Duo Family Brochure
PDF 1 MB
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100000690-Demand Duo H Series Specification sheet
PDF 2 MB
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