2017 Rinnai Tankless Models • RU Series (Super-High-Efficiency Condensing) • RU80i (RU80iN / RU80iP): Delivered up to 8.0 GPM with a max input of 152,000 to 157,000 BTU/h, built for indoor installation. • RU98i / RU199i (RU98iN / RU98iP): High-capacity residential units providing up to 9.8–11 GPM with a maximum input of 199,000 BTU/h. • RUR98i (RUR98iN / RUR98iP): Luxury condensing models featuring a built-in recirculation pump and thermal bypass valve for faster hot water delivery. • V Series & RE Series (Non-Condensing / High-Efficiency) • V75i / V75e: Mid-range models designed for smaller-to-medium residential homes needing continuous hot water flow. • V53De: Compact outdoor units designed for smaller hot water loads or localized demands. • RE Series (RE140, RE160, RE180, RE199): Standard non-condensing wall-mounted units configured for various flow rates and indoor/outdoor placements.