Rinnai’s Demand Duo R-Series Commercial Hybrid Water Heating System
May 19, 2021 | By Logan Caswell
The system features part-tank and part-tankless design.
Rinnai’s non-condensing Demand Duo R-Series commercial hybrid water heating system connects to existing 6-in. B-Vent for quick replacements of standard-efficiency atmospheric tanks. The system features part-tank and part-tankless design. Sold in 80- or 119-gallon tank options, a 36-in. Swivel-Flex Gas Line creates efficiencies and reduces install time with a pre-installed electrical junction box and duplex outlet. The digital controller allows management of building recirculation without having to purchase an additional aquastat.