The Lochinvar & A.O. Smith 100109136 Plumbers Tune Up Kit 240V 4500W is a genuine maintenance kit designed to restore the performance of compatible electric water heaters. It typically includes essential replacement components, such as 240V 4500W heating elements and service parts, to help maintain efficient heating operation. The kit works by replacing worn or failed components, allo... https://www.partshnc.com/100109136-lochinvar-ao-smith-240v-4500w-plumbers-tuneup-kit