2009 Rinnai Tankless Lineup • R75LS (R75LSi / R75LSe): A mid-range non-condensing unit delivering up to 7.5 GPM, available in indoor (i) and outdoor (e) configurations for natural gas (N) or propane (P). • R94LS (R94LSi / R94LSe): A larger capacity non-condensing unit providing up to 9.4–9.8 GPM max flow for heavier household hot water demands. • V-Series & Early Condensing Units: 2009 marked the transition year where Rinnai expanded non-condensing V-series variants (like the V53 and predecessor V-series) and rolled out their first generation of residential condensing units.