Models part 100108660 fits
Protects the tank from rust. Makers suggest checking it every few years. Find your model number below before you order; the list is sorted by brand.
FCG100245AO Smith water heaterGCV40-200AO Smith water heaterGCVH40L-201AO Smith water heaterGVR50-200AO Smith water heaterXCV40-201AO Smith water heaterXCV50-200AO Smith water heaterXCV50-201AO Smith water heaterXCVL40-200AO Smith water heaterXVR50-200AO Smith water heaterXVR50-201AO Smith water heater8-30-1ARS8State Stove water heater8-30-1ART8State Stove water heater8-30-2ARS8State Stove water heater8-30-2ART8State Stove water heater8-40-1ARS8State Stove water heater8-40-1ART8State Stove water heater8-40-2ARS8State Stove water heater8-40-2ART8State Stove water heater8-40-NARS7State Stove water heater8-52-1ARS8State Stove water heater8-52-1ART8State Stove water heater8-52-2ARS8State Stove water heater8-52-2ART8State Stove water heater8-82-1ART8State Stove water heater8-82-2ART8State Stove water heater8-120-1ART8State Stove water heater8-120-2ART8State Stove water heaterFrom the Sears PartsDirect parts lists of the models above, checked November 2026. Amazon buttons open a search for the part number; we may earn a commission.