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Top 10 Best Ao Smith Water Heater Replacement Parts Reviews & Comparison | Updated

Visit our site to find reviews on ao smith water heater replacement parts. We have the top best ao smith water heater replacement parts comparison 2026 and you can make an informed decision!

That’s why we’ve taken 84830 reviews from top experts and organized them according to our rankings for you. 

Bestseller No. 1
EWH-01 Electric Water Heater Tune-Up Kit, Includes Two Water Heater Thermostats, Two Water Heater Heating Elements - 4500W 240V, T-O-D Style Thermostat, Water Heater Replacement Parts
  • 【ONE YEAR WARRANTY】Z Turn-up Kit Includes (2) 4500W 240V COPPER Water Heater Element, Insert Length: 13-9/16". 3500W@208V. Fit Most Brands of Water Heater >= 30 Gallons.
  • 【ONE YEAR WARRANTY】Includes (1) Upper Water Heater Thermostat, (1) Lower Water Heater Thermostat, 120V ~ 480V
  • 【Interchangeable】Therm-O-Disc Type Thermostat, Can interchange with APCOM type.
  • 【More Durable】Extra Longer Life of Heating Element with Chromed Coating on the Heating Area
  • 【Versatile Fits】The Tune-up Kits in Plumber's pack Fits Most Water Heaters with Dual Elements - Rheem, A.O Smith, Whirlpool, GE, Richmond, Ruud, BRADFORD WHITE; CRAFTMASTER; GENERAL ELECTRIC; GS WOOD; KENMORE; LOCHINVAR; RELIANCE; RICHMOND; STATE; MOR-FLO; APCOM etc
Bestseller No. 2
Bestseller No. 3
9003542 Pilot Assembly Replacement for Natural Gas Water Heater, Compatible with Reliance, A.O.Smith, Kenmore, State GS and GSX, Replaces 100109295,9003542005(12-month warranty)
  • 【NEW Upgraded Replacement】- This 9003542 is a new upgraded water heater pilot assembly. Made of premium material. It's designed for Natural gas water heaters and has a temperature setting of 190 degrees, have stable and durable performance.
  • 【High Quality Replacement Part】- 9003542 NAT gas pilot assembly include 22" gas pilot tube, 22-1/2" thermocouple, 21-1/2" ignitor. It's a perfect replacement for your natural gas water heater, make your water heater work normally again.
  • 【Perfect compatibility】- This pilot assembly compatible with Reliance, A.O.Smith, Kenmore, State GS and GSX natural gas water heaters, replaces part number 100109295, 183824-190, 9003530, 9003542005 and AP4867015, can perfect compatible with the specified water heater models, such as 6-30-Yors, 6-30-Yors-d, 6-30-Yort-d FCV, GCV, GVR, XCV and XVR serials; please check the complete models we listed below.
  • 【About Installation】- Prepare tools: screwdriver, pliers; Before you replace the NAT gas water heater pilot assembly, you should cut the gas supply, and take necessary protection measures. Please notice that do not bend the gas pilot tube repeatedly to avoid break it.
  • 【12-month Warranty】- Our 9003542 pilot assembly is made of premium material and have a super long service life. So we are very confident to provide you a 12-month warranty. If you have any problem with our product, please feel free to contact us through amazon, we will provide you a satisfactory solution within 12 hours.
Bestseller No. 4
Reliance Water Heater Natural Gas Control Valve 100112336 Thermostat Compatible with A.O. Smith, Reliance, State, and American Branded Water Heaters
  • Note : This is a gas control valve and should be installed by a professional and not by homeowner as that potentially voids any warranty by not including professional installation.
  • This product adds a great value
  • This product is manufactured in China
Bestseller No. 5
Upgraded 100108283 Water Heater Element, For AO Smith Electric Water Heaters, 4500W 240V Screw-In, Replace 100108284 9000092015 9000092045 Heating Element, With New Gasket,2 pack
  • ✅[Perfect Replacement] 100108283 heater element meet original factory standards. We have tested it tens of thousands of times and it works well, more durable than the old version. Our product is your best choice.
  • ✅[Comapatible] 100108283 heater element, Screw-In 4500W 240V, replaces 100108284 9000092015 heating element, fits for AO Smith Electric Water Heaters.
  • ✅[High Quality] The heating element is made of high quality materials that can withstand higher temperatures, resist corrosion and mineral buildup, and minimize failures and extend the life of your water heater.
  • ✅[Easy Installation] The structure of this element is a screw-in type, taking just minutes to perform routine maintenance.
  • ✅[After-sales service] We provide quality one-on-one after-sales service and repair 1 year, you can rest assured that after the purchase of the installation and use, if you have any questions, please feel free to contact us through the “Order History” - “Contact Seller”, we will be within 24 hours!
Bestseller No. 6
Upgrade 100112330 Water Heater Pilot Assembly, Replace 9007876 Thermopile, Compatible with 300 301 Series Whirlpool Water Heater Parts & A.O.Smith, American, State, Kenmore, Reliance
  • 【NOTE】Please make sure you have the correct part number before ordering. Parts may look the same, but there may be small variations in size and shape. Not Compatible with Propane Water Heater.
  • 【Perfect Compatibility】This 100112330 water heater pilot assembly compatible with Reliance, Whirlpool, A.O.Smith, Kenmore, State, American Water Heaters. Replaces part number 1100112330 9007876 9007877 etc. 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.
  • 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
Bestseller No. 9
EWH-03 Electric Water Heater Tune-Up Kit with Element Wrench, Includes Upper & Lower Heater Thermostat, 2x Heater Elements - 4500W 240V (3500W@208V), 1 x Element Wrench, Water Heater Replacement Parts
  • 【Contents】(2) Water Heater thermostats: one is upper and another is lower thermostat. 120V ~ 480V, Temperature Adjustment Range: 90F ~ 150F. Thermo-O-Disc(TOD) Style, can exchangeable with Apcom Style.
  • 【Contents】 (2) Copper Heating Elements with Gaskets: 4500W@240 (3800W@208V), Screw-in Type.
  • 【Contents】(1) Element wrench socket: One end size 1-1/2-inch hex removing all residential screw-in water heater elements. 5" Length providing the clearance needed for a correct connection and easy loosening.
  • 【Application】Plumber's TOD Style Thermostats Kit provides a quick tune-up to prelong the water heater's life. The Tune-up Kits in Plumber's pack has good compatibility, fitting Most Electric Water Heaters.
  • 【ONE YEAR WARRANTY】If you find any issue not limited on quality problems, please contact us in time to support or return/refund, we will try our best to solve it for you, please rest assured to buy.
Bestseller No. 10
Ganivsor Minivolt Thermopile 100112330 for Water Heater, Thermopile Replacement Part Compatible with Reliance, Whirlpool, AO Smith, Kenmore Water Heater Replace 9007876 9007877 300 301 Series
  • Compatibility: This 100112330 water heater pilot Minivolt Thermopile compatible with Reliance, Whirlpool, A.O.Smith, Kenmore, State, American Water Heaters. Replaces part number 1100112330 9007876 9007877 etc.
  • Fits for 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.
  • Fits for 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
  • Fits for AO Smith Series: GS6-300, GCV-300, GPX-300, GVK-300, XCZ-300
  • Fits for Reliance: 630 lort/lors 301, 630 loct/locs 401, 640 lort/lors 301, 640 loct/lbcs 401, 650 lort 301

With our guide, you can find the best ao smith water heater replacement parts available on the e-commerce market. We make use of Big Data and AI data to compile this list, so it is highly accurate.

The process of creating this content was challenging, but our team persevered through it to bring you the best possible results. We read user reviews and look at what buyers think about each product so that your buying experience will be satisfying.

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