Camco 2500W 240V 9"H Water Heater Universal Flange Element. It has a high watt density of 150+ watts per square inch and a minimum tank diameter of 10". This element fits most models of American, A.O. Smith, Bradford White, Craftmaster, General Electric, GS Wood, Kenmore, Lochinvar, Maytag, Mor-Flo, Reliance, Rheem, Richmond, Ruud, Sears, State, & Whirlpool heaters. It is UL listed and comes with detailed instructions and a 1 year warranty.