Check the listing for details. 4500W 110V Instant Electric Tankless Hot Water Heater On Demand Whole House NEW. Color: White, Condition: New. Listed at 63.59 USD. Specifications: Condition: 100% Brand New Material: Tempered glass panel Heating Material: stainless steel Color: white, blue, gold Rated Voltage: AC 110V / 50 HZ Rated Power: 4500W Rated Current: 40.9A Rated Water Pressure: 0.6Mpa Waterproof Level: IPX4 Temperature: 30-55℃(water flow adjustable) Support Thermostat: Yes Style: Vertical Maximum temperature: 55 ° C Water heater lift: unlimited Over temperature protection: Yes, over temperature and automatic shutdown Power protection: Yes, automatic shutdown when water is turned off Wire diameter: ≥4mm Magnetic card table: 10 (40) A Mechanical watch: ≥5(20)A Air switch: ≥40A Suitable water pressure: 0.02-0.6Mpa Wire requirements ≥ 4 square copper core wire Hot Outlet Pipe Connector Diameter: Inner 0.7cm / 0.3inch; outer 2cm / 0.8inch.