Water Heater Ripple Fold Back Element, Screw-In, 240-Volt, 5500-Watt

5500w, 240v, water heater screw in ripple foldback element, ultra low watt density, 50w per sqin, minimum tank diameter 15", gasket included, 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, best when water has high mineral content, withstands dry firing, heats in lime & sand build up that would burn out ordinary elements, highest grade nickel & chromium incoloy, ul listed. Element is 15 inches high.