EcoSMART Point-of-Use Electric Tankless Water Heater Designed for single point-of-use applications such as hand sinks in RVs, boats, restaurants, hotels, and medical offices requiring low flow rates not exceeding 1 GPM. Easy-to-install. Fits under a sink or sink cabinet. Heat exchanger made of stainless steel. Copper and brass heating element. 30A breaker required. Pipe fitting 1/2 NPT. Activation flow .25 gallon. Energy factor 0.98. UL and CSA certified. Dimensions 11 x 6.5 x 3.5 . Weight 3 lb. 1 year warranty. Capacity 1.0 gpm, Type Point-of-Use, Fuel Type Electric, Wattage 5,500W, Voltage 220V, Height 6-1/2 In., Width 11 In., Depth 3-1/2 In., For Mobile Home Use No, Uniform Energy Factor 0.98, Warranty 1 yr, Pkg Qty 1, Package Type Box