Models part 100108571 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.
L30T61-303American Water Heaters water heaterL40S62-403American Water Heaters water heaterL50T61-403American Water Heaters water heaterN40S91-403American Water Heaters water heaterN40T91-403American Water Heaters water heaterN50T61-504American Water Heaters water heaterN50T91-403American Water Heaters water heater5-40-NXRT6State 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.