Product Description
The Rinnai CHS199100HiN Demand Duo H-Series is a hybrid water heating system designed for indoor use. It combines a 119-gallon tank with a 199,000 BTU tankless unit, offering a reliable hot water supply with high performance and efficiency. This system uses natural gas and features direct electronic ignition.
- Hybrid design provides a first-hour delivery of up to 317 gallons at 100°F Δ T.
- Features a 97% thermal efficient CU199, compliant with Ultra Low NOX standards and ENERGY STAR.
- Tank-tankless design reduces thermal stress on the tank, extending its service life and minimizing downtime.
Product Highlights
This hybrid water heating system offers a reliable and efficient solution for commercial hot water needs, reducing cost of ownership and ensuring a longer service life.
Product Information
Standard Information
- Brand: RINNAI
- Manufacturer Part Number: CHS199100HiN
- Country of Origin: United States
Technical Specifications
- Brand: Rinnai
- Fuel Type: Natural Gas
- BTU Rating: 15,000 – 199,000
- Voltage: AC 120 Volts
- Pressure Rating: 150
- Model: CHS199100HiN
- SKU: 1118580
- Max Heating Input (Btu/h): 199,000
- Tank Capacity/First Hour Delivery (Gallons): 119 / 315
- Thermal Efficiency (or UEF): 97% (N/A)
- Product Type: Tankless Heater
- BTU (Min): 15000
- BTU (Max): 199000
- Width (Inches): 30.8
- Depth (Inches): 69.3
- Height (Inches): 34.5
- Efficiency: 97%
- Gas Type: Natural Gas
- Recirculation Capable: Yes
- Wi-Fi Capable: Yes
- SCAQMD Approved: Ultra Low NOx
- Uniform Energy Factor (UEF): 0.98
- Installation Type: Indoor
- ANSI: ANSI Z21.10.3
- Application: Commercial
- BTU: 199000
- CEC Compliant: For Sale in CA
- CSA Certified: Yes
- Capacity: 119 gal
- Collection: Demand Duo™
- Depth: 69-3/10 in
- Emission: Ultra-Low NOx
- Energy Star Compliant: Yes
- Height: 34-1/2 in
- MBH: 199
- NSF Certified: No
- Power Source: Gas
- Pressure – High: 150
- Temperature Range: 98 to 185 Deg F
- UL Listed: No
- UPC: 766156014192
- Vent Type: Concentric
- Volts: 120V
- WIFI Enabled: Yes
- Water Heater Capacity Range: Greater than 100 gal
- Water Heater Type: Hybrid
- Tank Capacity: 119 gallon
Why buy from Doctor Paintz
- Sold and shipped by Doctor Paintz – doctorpaintz.us
- Brand-new, factory-sealed stock – never reclaimed or refilled
- Trade pricing and bulk/pallet quantities for HVAC contractors
- US-based order support, tracked shipping on every order

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