The Stiebel Eltron SHC mini-tanks are designed to put the hot water right where you need it. All three popular sizes simply plug into a standard 120-volt outlet for easy installation. The small tank with its world-class insulation and the lowest standby losses in the industry saves you money all day, every day by reducing energy needs. With only an 11 amp current draw, no special wiring is required. The simple thermostat dial is conveniently located on the top to easy for temperature adjustment from 86-140 86140 f / 3060 c Standby energy loss @ 131F/ 55C 0.37 kWh/day 0.39 kW/ day 0.43-kilowatt hours Recovery time 18 minutes 27 minutes 45 minutes Internal tank material Glass-lined steel. Weight empty 15.9 lb/7.2 kg 19.8 lbs/ 9 kg 26.5 bl/ 12 kg Weight full 38.6 kg/ 17.5 kg 52.9 lb / 24 kg, 76.3 lb / 34.6 kg Dimensions (includes P&T) 18-11/16 H x 11 W x 10-5/8 D 19-3/4 H x 12-5/8 W x 12-1/2 D 20-1/2 H x 15-1/8 W x 15 D, Temperature range86–140 °F / 30–60 °C 86–140 °F / 30–60 °C 86–140 °F / 30–60 °C, Standby energy loss @ 131°F / 55°C0.37 kWh/day 0.39 kWh/day 0.43 kWh/day, Water connections½" NPT black steel.