Service and Replacement Covered: All mechanical components and parts. Service and Replacement Not Covered: Interior linings, door glass, handles, hinges, clocks, shelves, portable or countertop units, meat probe assemblies, turntables and parts, rotisseries. Magnetron Tube limited to $75.00. Covered Parts and Circuit Board replacement limited to a maximum amount of $100.00. Replacement of Microwave Unit limited to a maximum amount of $150.00.