Demand Duo Commercial Hybrid Water Heating System
The Rinnai Demand Duo Commercial Hybrid Water Heating System delivers hot water performance that meets peak demand. The unit combines the continuous supply technology of tankless with an energy-efficient 119-gallon storage tank.
ENERGY STAR certified with 96% thermal efficiency for 199,000 BTU. An integrated temperature controller provides 98 to 185 degrees F. Available with multiple venting options.