CHS199100HiN CHS199-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 producing abundant hot water for peak commercial hours.

  • 97% Thermal Efficiency
  • 15,000 BTU (minimum)
    199,000 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 producing abundant hot water for peak commercial hours.

Supply Connections

Connection Connection Size
Gas 3/4" MNPT / (19 mm)
Cold Inlet 1-1/2" MNPT / (38 mm)
Hot Outlet 1-1/2" MNPT / (38 mm)
Product Weight 431 lb / (195 kg)
Gas Type Natural Gas
Recirculation Capable 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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100000684 Demand Duo H-Series Installation and Operation Manual
PDF 8 MB
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Commercial Demand Duo Product Brochure - CHS100/CHS199-H/CHS130-H/CU
PDF 5 MB
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Commercial Water Heating Solutions - RE/REP/CU/RSC
PDF 4 MB
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Commercial WH Solutions Brochure Installers - English
PDF 6 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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Rinnai Demand Duo™ 2 Brochure
PDF 800 KB
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100000690-Demand Duo H Series Specification sheet
PDF 2 MB
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TB-183 H-Series Pump Change
PDF 533 KB
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TB-187 Demand Duo Compatibility with Rinnai BMS Gateway
PDF 625 KB
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100000632 Hybrid Water Heating Critical Install Guidelines
PDF 2 MB
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