Models part 100109434 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.
FPD40271AO Smith water heater8-30-1ALS8State Stove water heater8-30-1AT17State Stove water heater8-30-2ALS8State Stove water heater8-30-2AT17State Stove water heater8-40-1AT47State Stove water heater8-40-2ALS8State Stove water heater8-40-2AT47State Stove water heater8-50-1ALS8State Stove water heater8-50-2ALS8State Stove water heaterEach model's page names where its part numbers come from and the date they were checked. Amazon buttons open a search for the part number; we may earn a commission.