The Home Depot and Lowe's sell water heater parts to homeowners and professional installers alike. These two retail outlets provide shoppers in both retail brick-and-mortar stores as well as online with a variety of parts and tools to help keep water heaters running at peak efficiency.
The Home Depot offers shoppers the option to purchase needed parts online and pick them up in a local store. Parts can be shipped to a store for free. Lowe's also provides free pickup at store locations, and the retailer's website boasts many reviews of water heater parts from buyers to help shoppers make informed decisions.