Rinnai CHS19980RIN Demand Duo Hybrid Water Heating System 199,000 BTU, 80 Gallon
$2,968.81
Rinnai CHS19980RIN is a Demand Duo hybrid commercial water heater that pairs a 119-gallon storage tank with a 199,000 BTU tankless module for natural gas operation, delivering high first-hour output for peak demand. The unit vents to a 6 in. B-Vent and includes a Duo Smart digital controller with recirculation control and Wi-Fi capability.
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Product Description
Rinnai CHS19980RIN is a Demand Duo hybrid commercial water heater that pairs a 119-gallon storage tank with a 199,000 BTU tankless module for natural gas operation, delivering high first-hour output for peak demand. The unit vents to a 6 in. B-Vent and includes a Duo Smart digital controller with recirculation control and Wi-Fi capability. Installation features include a factory-installed gas dirt leg, electrical access, and a 360° gas swivel flex line.
- 199,000 BTU tankless module combined with a 119-gallon storage tank for high peak-hour delivery
- Duo Smart digital controller with recirculation control; Wi-Fi capable for monitoring
- 6 in. B-Vent exhaust, factory-installed gas dirt leg, and 36 in. 360° gas swivel flex line
Product Highlights
Hybrid tank-tankless configuration provides high first-hour delivery while reducing thermal stress on the storage tank.
Product Information
Standard Information
- Brand: RINNAI
- Manufacturer Part Number: CHS19980RIN
Technical Specifications
- Brand: Rinnai
- Manufacturer Part Number: CHS19980RIN
- Alternate Part Number: RCHS19980RIN
- Series: Demand Duo R-Series
- Product Type: Hybrid tank-tankless commercial water heater
- Fuel: Natural gas
- Tank Capacity: 119 gallon
- Maximum Input: 199,000 BTU/h
- Minimum Input: 21,500 BTU/h
- Thermal Efficiency: 80%
- Uniform Energy Factor (UEF): 0.81
- First Hour Delivery: Up to 276 gallons @ 100°F
- Vent Connector: 6 in. B-Vent
- Recirculation Capable: Yes
- Wi-Fi Capable: Yes
- Controller: Duo Smart digital controller (temperature precision and recirculation control)
- Gas Connection: 3/4 in. male threaded gas connection; 36 in. 360° gas swivel flex line
- Factory-installed Features: Gas dirt leg; electrical access
- Ignition Type: Direct electronic ignition
- Voltage: 120 V AC, single phase
- Maximum Water Pressure: 150 PSI
- Weight: 320 lb
- Recovery Rate: 193 GPH at 100°F rise
- Certifications: AHRI certified; CSA listed; Energy Star listed
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Free shipping
Shipping is free on every order to the contiguous United States. Orders are processed within 0–1 business day; estimated delivery is 3–5 business days. Large items ship by freight with curbside delivery, and the carrier will call you to schedule. Shipping Policy
30-day free returns
Return unused, uninstalled items in original packaging within 30 days of delivery. Return shipping is free and there is no restocking fee. Refunds are issued to your original payment method within 5 business days of receiving the return. Refund and Returns Policy
Warranty
New products covered by the manufacturer’s limited warranty where applicable. Warranty Policy
Need help?
Call +1 916-488-9100 or email contact@markevosale.com (Mon–Fri, 9 AM–5 PM Pacific).
Gas appliances must be installed by a licensed professional in accordance with local codes. See Installation & Safety.
California Prop 65 WARNING: This product can expose you to chemicals including carbon monoxide, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Related products
Rinnai CHS199100CUIN Demand Duo Hybrid Water Heating System 199,000 BTU
The RINNAI CHS199100CUIN is a commercial-grade hybrid tankless water heater in the H-Series Demand Duo line, designed for facilities that require continuous, on-demand hot water with built-in redundancy. Running on natural gas, it delivers a maximum output of 199,000 BTU/h and a minimum modulation down to 15,000 BTU/h, giving installers a wide firing range to match varying load demands.
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