• Fuel Types: Available in Natural Gas (N) or Propane (P) configurations 2008 Rinnai Tankless Models • R94LS (REU-KB3234FFU): Flagship high-capacity residential unit earning Energy Star ratings in 2008, providing up to 9.4 GPM. • R75LS (REU-KB2530FFU): Mid-to-high range residential unit delivering up to 7.5 GPM, also an Energy Star recipient in 2008. • R50LSi: Smaller-capacity direct-vent indoor residential continuous-flow unit. • R85e (REU-V2532W): Outdoor builder’s specification model updated and specified through early 2008.