All Refrigerants
Rinnai CHS199100HiN Demand Duo H-Series Hybrid Water Heating System Indoor, Natural Gas, BTU, 119 Gallon
Rinnai CHS199100RECiN Demand Duo R-Series Hybrid Water Heating System
Rinnai CHS19980HCXIN Demand Duo Hybrid Water Heating System 199,000 BTU, 80 Gallon
Rinnai CHS19980RECIN Demand Duo R-Series Hybrid Water Heating System, 80 Gallon
Rinnai CHS19980RIN Demand Duo Hybrid Water Heating System 199,000 BTU, 80 Gallon
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.
