Rinnai Demand Duo™ R-Series Hybrid Water Heating System Indoor, Propane Gas, 199,000 BTU, Gallon

When you need a smart, simple replacement for an old-style, traditional tank, the new Demand Duo™ R-Series Commercial Hybrid Water Heating System is the ideal choice. The R-Series vents into existing 6" B-Vent, so you save installation time and costs. What’s more, you increase customer satisfaction with a system that delivers reliable performance, longer service life, and a lower total cost of ownership. Features: * 80% Thermal Efficiency * Warranty 6yrs on tank/ 5 years on all parts * Indoor Only