Screw In Style Water Heater Element, Low-Watt Density/ MOUNTING METHOD STYLE: 9 SCREW PLUG OR BUSHING TYPE MOUNTING FACILITY BODY STYLE: 31 TUBULAR, SCREW TYPE TERMINAL QUANTITY: 2 EFFECTIVE HEATING LENGTH: 9.438 INCHES NOMINAL ELEMENT RADIATION SPECTRUM: NONINFRARED ELEMENT CONNECTION STYLE: 3 TERMINAL SCREW MOUNTING FACILITY LENGTH: 0.875 INCHES NOMINAL HEAT QUANTITY: 1 WATT DENSITY RATING: 75.0 PER SQUARE INCH SINGLE VOLTAGE LENGTH: 9.438 INCHES NOMINAL MAXIMUM WATTAGE RATING IN WATTS: 2500.0 SINGLE VOLTAGE ELEMENT QUANTITY: 1 NOMINAL THREAD SIZE: 1.500 INCHES MOUNTING FACILITY THREAD QUANTITY: 32.0 PER INCH SCREW THREAD QUANTITY: 11.5 PER INCH MOUNTING FACILITY VOLTAGE IN VOLTS AND CURRENT TYPE: 240.0 AC SINGLE VOLTAGE PHASE: SINGLE SINGLE VOLTAGE FREQUENCY IN HERTZ: 60.0 MATERIAL: COPPER SHEATH THREAD SERIES DESIGNATOR: UNF SCREW THREAD SERIES DESIGNATOR: NPT MOUNTING FACILITY