Models part 9000509 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.
HJ6402JRSMaytag water heaterHJ6521JRT2FMaytag water heaterSCI20SOMTState water heater1-30-1KOS8State Stove water heater1-40-1HMS7State Stove water heater1-40-2HMS7State Stove water heater1-50-2HMT7State Stove water heater5-6-10MS7State Stove water heater5-10-10MS7State Stove water heater5-20-10LS8State Stove water heater5-20-10MS7State Stove water heater5-20-20LS8State Stove water heater5-30-1KLS8State Stove water heater5-30-1KRT8-2State Stove water heater5-30-1ORS8State Stove water heater5-30-1ORT8State Stove water heater5-30-2KLS8State Stove water heater5-30-2KRS8State Stove water heater5-30-2KRT8State Stove water heater5-30-2KRT8-2State Stove water heater5-30-2ORT8State Stove water heater5-30-2ORT8-2State Stove water heater5-30-10LS8State Stove water heater5-30-20MS7State Stove water heater5-40-1KLS8State Stove water heater5-40-1KRS8State Stove water heater5-40-1KRT8State Stove water heater5-40-1KRT8-2State Stove water heater5-40-1ORS8State Stove water heater5-40-1ORT8State Stove water heater5-40-2KLS8State Stove water heater5-40-2KRT8-2State Stove water heater5-40-2ORS8State Stove water heater5-40-20LS8State Stove water heater5-40-20MS7State Stove water heater5-40-20RT8-2State Stove water heater5-50-1KLS8State Stove water heater5-52-1KRS8State Stove water heater5-52-1KRT8State Stove water heater5-52-1ORS8State Stove water heater5-52-1ORT8State Stove water heater5-52-1ORT8-2State Stove water heater5-52-2KRT8State Stove water heater5-52-2KRT8-2State Stove water heater5-52-2ORS8State Stove water heater5-52-2SRS8State Stove water heater5-66-2KRT8State Stove water heater5-66-2ORT8State Stove water heater5-82-1KRT8State Stove water heater5-82-1ORT8State Stove water heater5-82-2KRT8State Stove water heater5-82-2ORT8State Stove water heater5-120-1KRT8State Stove water heater5-120-1ORT8State Stove water heater5-120-2KRT8State Stove water heater5-120-2ORT8State Stove water heater8-30-1ALS8State Stove water heater8-30-2ALS8State Stove water heater8-40-2ALS8State Stove water heater8-50-1ALS8State Stove water heaterShowing 60 of 89 models. Search your model number to check yours.
From 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.