2015 Rinnai Tankless Water Heater Additions & Lineup • Ultra Series Condensing Expansion (New in 2015): Rinnai added four mid- and lower-range BTU models for indoor and outdoor setups targeting smaller single-family or multifamily homes: • RUCS65 / RUS65: Indoor (RUCS) and outdoor (RUS) units featuring a maximum capacity of 130,000 BTU and a high energy efficiency factor. • RUCS75 / RUS75: Indoor (RUCS) and outdoor (RUS) units featuring a maximum capacity of 160,000 BTU. • Value Series (Compact & Budget-Friendly): • V75e / V65 Models: Designed for smaller hot water demands with straightforward concentric venting options. • Luxury Series (High Output): • RL94i: Highlighted as a top non-condensing high-output unit featuring Circ-Logic technology to customize recirculation schedules based on household usage. • Hybrid Solutions: • RH180 Hybrid: Combined a tankless water heating mechanism with a 40-gallon storage tank