【Note】Please read the compatibility carefully before Ordering this item, refer to the description in the listing. 100112328 water heater thermocouple may look the same, but there may be slight differences in size and shape. 【Solve Problems】replace the 100112328 thermocouple can solve: water heater indicator light does not light up, water heater does not heat up and damaged thermocouple, after replacing it, your water heater will be back to normal operation. 【Widely Used】 Compatible with Reliance, Whirlpool, A.O. Smith, Kenmore, State, American Water Heater. Replaces old A.O. Smith # 6911197, 9007872005, 100094024.Does not fit Reliance C3 FAIR and C3 FVIR water heaters. 【Compatible with Whirlpool Water Heater】N30T61-303, N40T61-403, N40T62-403, N50T61-403, N50T62-403, N50T91-403, N40T61-353, N40S61-403, N40T121-403, 40S6-40NG, 40T6 -34NG-400, 40T10-40NG-400, 50T6-40NG-400. 【Compatible with America Water Heater 】 N30S61-303, N30T61-303, N40S61-403, N40T61-343, N40T62-403, N40S91-403, N40T91-403, N40T121-403, N50T61-403, N50T61-504, N50T91- 403, n50t122-403, bfg6140t403no 【Compatible with A.O.Smith Water Heater】GS6-300, GCV-300, GPX-300, GVK-300, XCZ-300. 【The How-To Steps】① Shut off the gas supply. ② Unhook everything from the gas valve. ③ Remove the burner assembly. ④ Remove the thermocouple from the pilot assembly. ⑤ Install the new thermocouple. ⑥ Put everything back into its place. ⑦ Turn on gas supply and check for leaks. It only takes 15-30 minutes to easily complete the replacement operation. Save your time and money. thermopile for water heater thermocouple for water heater 100112330 thermopile 100112330 thermocouple