Rheem EGSP20 Point-Of-Use Electric Commercial Water Heater, 19.9 Gallon, 240v, 4KwRheem Point of Use Electric Commercial Water Heaters are designed to provide hot water at the consumption point, eliminating costly temperature loss in long piping runs. Well suited for a wide variety of applications, Point-of-Use heaters are small enough for installation in limited spaces under counters, mop sinks, cabinets, or any remote area where modest quantities of hot water are required. They are ideally suited for applications in retail stores, public restrooms, office washrooms, kitchen and mop or bar sinks.Rheem EGSP20 Point-Of-Use Electric Commercial Water Heater, 19.9 Gallon, 240v, 4Kw Features: 19.9 gallon model 240 Volts 4Kw 1 Phase Long life tank design Long life heating elements Efficient design Automatic temperature control Temperature limiting control Temperature and pressure relief valve These models meet the minimum energy factor requirements of ASHR Standard 90.1b-2001 (Part of the Federally mandated Energy Policy Act (EPact)).Also exceeds energy efficiency codes of all states including California Energy Commission (CEC). These products are design certified by Underwriters Laboratories (UL) to meet UL standard 174 as electric storage tank water heaters.All models are North Carolina Code compliant. CERTIFIED FOR A 150 PSI MAXIMUM WORKING PRESSURE.