Models part H06E-36 fits
If the pilot won't stay lit, this is the usual suspect. Find your model number below before you order; the list is sorted by brand.
FCG75251AO Smith water heaterFCG100245AO Smith water heater21V30Rheem water heater5-50-NORT8-2State Stove water heater5-50-NORT8-32State 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.