Camco 2500W 240V Screw-in Folding Ultra Low Watt Density Water Heater Element is suitable for problem water areas (hard water, lime, etc.) Premium Ultra LWD Lime Life Element is backed by a 5 year warranty. Super fast LWD and special metal surface (high performance nickel-chrome stainless steel alloy) reduce the chance of lime buildup. Resists dry filing, perfect for water problems and locations with hydration Screw-in elements fit most America, AO Smith, Bradford White, Craftmaster (before 1991), GE, GS Wood (specific models), Kenmore, Lochinvar, Maytag, Mor-Flo, Reliance, Rheem, Richmond, Rudd, Sears, State, Whirlpool, and all water heaters manufactured after 1994. The replacement element must be the same voltage and wattage as the element being replaced. Do not exceed the name plate over the water heater.