Rheem PROE20 1 RH POU Electric Water Heater 120V AC, 19.9 gal, 2,000 W, Single Phase, 25.25 in Ht, 20 gph @ 40°F 2XB69 05 ohm Counts 9999 Current 05 ohm Counts 9999 Current Measurement Range 0 unmarked Ambient Air Temperature For Operation 40 70°C Overvoltage Category class I IEC 60536 Vibration Resistance 5 gn 2 500 Hz)IEC 60068 2 6 Nema Degree Of Protection NEMA 13 NEMA 4X Device Presentation basic element Ik Degree Of Protection IK06 IEC 50102 Product Certifications GL LROS (Lloyds register of shipping) UL Listed DNV CSA BV Mechanical Durability 500000 cycles Device Short Name ZB4 Product Or Component Type head for non illuminated push button Ip Degree Of Protection IP66 IEC 60529 IP67 IP69 IP69K 25 in Height to Cold Inlet 5 in Height to Hot Outlet 22 000 W Included Valves Temperature and Pressure Relief Recovery Rate @ Rise 9 gph @ 90 Degrees F Operating Voltage 120V AC Automatic Thermostat Yes Maximum Recovery Flow Rate 20 gph @ 40 Degrees F Element Material Stainless Steel Thermal Efficiency Not Rated Hot Outlet Type NPT Current 16