You plumb it to the cold water supply line. Once it is filled with water, simply plug the 3-prong grounded pigtail (included) into a 110-120V outlet. With only an 11 amp current draw, no special wiring is required.
Uses include: Commercial, Industrial, Institutional, and Residential such as: Office Buildings, Stores, Malls, Warehouses, Bathroom Sinks, Kitchen Sinks, Laundry Areas, Cabins/Cottages, Restaurants, Gas Stations, Schools, and Hotels/Motels. Technical Data: Single Phase: 60/50Hz; Voltage: 120V; Wattage: 1300W; Amps: 11.3A; Nominal water volume: 3.96G/15L; Maximum operating pressure: 150 psi/10 Bar; Maximum adjustable temperature: 140 F/60 C; Recovery time: 27 minutes; Water connections: 1/2 Male NPT; Standby heat loss: 0.39kW/day; Weight empty: 19.8 lb/9 kg. The item "Stiebel Eltron 4 Gallon Water Heater" is in sale since Wednesday, August 17, 2016.This item is in the category "Home & Garden\Home Improvement\Heating, Cooling & Air\Water Heaters\Tankless Water Heaters". The seller is "sirr0und" and is located in New York, NY. This item can be shipped to United States.