Compatible with Whirlpool Water Heater Parts-Model: 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 American Water Heater Model: 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 AO Smith Series: GS6-300, GCV-300, GPX-300, GVK-300, XCZ-300. Compatible with Reliance Water Heater Model: 630 lort/lors 301, 630 loct/locs 401, 640 lort/lors 301, 640 loct/lbcs 401, 650 lort 301, 640gort 300. Compatible with Kenmore Model:153330230, 153330250, 153330270, 153330290, 153331150, 153331492, 153331592, 153331620, 153331630, 153331640, 153331651, 153331661, 153331670, 153331682, 153331830, 153331840, 153331851, 153331861, 153331882, 153332421, 153336930, 153336931, 153336940, 153336941, 153556300, 153556400, 153556500, 153559400, 153559500, 153572400, 153572500, 153573400, 153576300,153576310,153576320, 153576400, 153576410, 153576420, 153576500,153576510, 153579400, 153579410,153579420, 153579500, 153579510. Easy Installation: 100112330 Nat Gas Pilot installation is very simple, only a few simple steps, you can easily solve your problem. Turn off the gas and pull the entire burner assembly. Remove the 2 screws on the mounting plate, and remove the old thermocouple and spark igniter. Unfold gently, go through the burner door (be careful of wiring), and then reinstall the plate to the existing burner. It only takes 15-30 minutes to easily complete the replacement operation. The 100112330 Nat Gas pilot components are made of high-quality raw materials and undergo rigorous testing by the supplier before leaving the factory to ensure longer durability. It can perfectly solve the problem that the indicator light of the water heater does not light up all the time, and the water heater does not heat due to the damage of the thermocouple.