Electric water heater tune-up kit provides a quick and easy way to repair the most common items on an electric wather heater. The tune up kit helps prolong the life of your water heater by renewing the key electric components of your water heater. Our tune-up kits have serveral assortments to provide your many choice for your replacement work. ?ONE YEAR WARRANTY?Z Turn-up Kit Includes (2) 4500W 240V COPPER Water Heater Element, Insert Length: 13-9/16". 3500W@208V. Fit Most Brands of Water Heater = 30 Gallons. ?ONE YEAR WARRANTY?Includes (1) Upper Water Heater Thermostat, (1) Lower Water Heater Thermostat, 120V ~ 480V ?Interchangeable?Therm-O-Disc Type Thermostat, Can interchange with APCOM type. ?More Durable?Extra Longer Life of Heating Element with Chromed Coating on the Heating Area ?Versatile Fits?The Tune-up Kits in Plumber's pack Fits Most Water Heaters with Dual Elements - Rheem, A.O Smith, Whirlpool, GE, Richmond, Ruud, BRADFORD WHITE; CRAFTMASTER; GENERAL ELECTRIC; GS WOOD; KENMORE; LOCHINVAR; RELIANCE; RICHMOND; STATE; MOR-FLO; APCOM etc