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: 6.812 INCHES NOMINAL ELEMENT RADIATION SPECTRUM: NONINFRARED ELEMENT CONNECTION STYLE: 3 TERMINAL SCREW HEAT QUANTITY: 1 LENGTH: 6.812 INCHES NOMINAL MAXIMUM WATTAGE RATING IN WATTS: 1000.0 SINGLE VOLTAGE ELEMENT QUANTITY: 1 NOMINAL THREAD SIZE: 1.000 INCHES MOUNTING FACILITY 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 ALLOY SHEATH THREAD SERIES DESIGNATOR: NPSM MOUNTING FACILITY