4 Gallon Mini-Tank Electric Point of Use Water Heater. Provides Hot Water For Hand Washing Or Kitchen Applications, Mount Right Under Or Near Sink Directly On Wall, Bracket Included, 120Volt, 1300 Watt Heating Element. Connects to a standard 120V grounded receptacle. Supplied with 3 Prong Plug pigtail cord. Glass Lined Tank For Long Life. Adjustable Temperature Up To 140 Degrees Fahrenheit, Recovery Time is 27 Minutes. Installation Should Not Occur In An Area Exposed To Freezing Temperatures Of 36 Degree Fahrenheit Or Lower, Water Connections Are Black Steel 1/2" NPT. Installed Temperature and Pressure Relief Valve. If Water Pipes Are Of Copper Or Bronze Use Dielectric union Connections To Prevent fitting Corrosion which can cause premature tank or nipple failure. If this occurs the warranty is voided. ETL Listed For Compliance With CSA & UL Safety Standards in the USA and Canada. Certified Lead Free By Water Quality Association. Made in Germany.