Models part 100109624 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.
ECJ40AO Smith water heaterECLN40AO Smith water heaterECRS50AO Smith water heaterECRT52AO Smith water heaterECS50AO Smith water heaterECT55AO Smith water heaterESM20AO Smith water heaterESTT40AO Smith water heaterFPCR50260EAO Smith water heaterFPD40271AO Smith water heaterGCV50-100AO Smith water heaterGCVT40LAO Smith water heaterGPSH50100AO Smith water heaterES620SOMTState water heaterES640DOMNSState water heaterSCI20SOMTState water heaterSCV40DHMSState water heater1-30-2HMS7State Stove water heater1-40-1HMS7State Stove water heater1-40-2HMS7State Stove water heater1-50-1HMT7State Stove water heater1-50-2HMT7State Stove water heater5-17-10MS7State Stove water heater5-20-10LS8State Stove water heater5-20-20LS8State Stove water heater5-30-1KLS8State Stove water heater5-30-2KLS8State Stove water heater5-30-10LS8State Stove water heater5-30-10MS7State Stove water heater5-30-10T17State Stove water heater5-30-20LS8State Stove water heater5-30-20MS7State Stove water heater5-30-20T17State Stove water heater5-40-1KLS8State Stove water heater5-40-2KLS8State Stove water heater5-40-2OT47State Stove water heater5-40-10LS8State Stove water heater5-40-10MS7State Stove water heater5-40-10T47State Stove water heater5-40-20LS8State Stove water heater5-40-20MS7State Stove water heater5-50-1KLS8State Stove water heater5-50-2KLS8State Stove water heater5-50-10LS8State Stove water heater5-50-20LS8State 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.