Model: RU90eN
Ext CTWH 180k Btu 9.0gpm max w/Valve
4.4 from 14 ratings
Super High Efficiency Plus 9.0 GPM 180,000 BTU Natural Gas Exterior Tankless Water Heater
  • Professional installation required; call 84-GO-Rinnai for assistance.
  • ENERGY STAR® Qualified with an Energy Factor of 0.96 / Uniform Energy Factor of 0.92
  • Equipped with Rinnai Circ-Logic™ - Pair with an external pump to reduce wait time for hot water via scheduled or on-demand recirculation