Rinnai V94eN Natural Gas Tankless Hot Water Heater, 9.8 GPM Brand Rinnai Color V94eN - Natural Gas/9.4 GPM Style Natural Gas, Outdoor Installation Power Source Gas Powered Item Dimensions LxWxH 17.5 x 30 x 13 inches Endless Hot Water: Enjoy unlimited hot water flow throughout the house; compact, durable, and easy to install; professional installation recommended Energy and Space Efficient: Space-saving design conserves energy as it heats only when necessary Optimal Water Pressure: High-performance up to 9.8 GPM hot water flow rate for a powerful, constant stream Enhanced scale detection lessens possibility of serious, long-term damage to unit Guaranteed to Last: 10-, 5-, and 1-year residential factory warranty for heat exchanger, labor, and parts, respectively