Rinnai CHS19980RIN Demand Duo Hybrid 199000 BTU (80 Gal) RCHS19980RIN

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