This MC Enterprises Water Heater Element is 120V, 1400 Watt, and screws in. Specifications•Compatibility: Atwood GCH6-4E/ GCH6-6E/ GCH6-7E/ GC6A-7E/ G6A-6E/ G6A-7E/ G6A-8E/ GCH6A-7E Water Heaters•Wattage: 1400 Watt•Voltage Rating: 120 Volt•Tank Size: 9-1/4 Inch•Mounting Type: Screw-In•With Gasket: Yes 9-1/4 Inch Length 1400 Watt x 120 Volt With Gasket | MC Enterprises Water Heater Element, 120V