Models part 100108421 fits
Reads or limits temperature. A failed one can stop the heat or let it run too hot. Find your model number below before you order; the list is sorted by brand.
ESTT40AO Smith water heaterES630DOMSState water heaterES640DOMNSState water heaterES652DOCTState water heaterSCV40DHMSState 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.
