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10 Best water heater parts of 2026

Save up to 35% off
  • Best Choice

    1

    AO Smith 100112342 - K,FINAL BURNER ASSY,NAT,16",#37 ORIFICE
    A. O. Smith

    AO Smith 100112342 - K,FINAL BURNER ASSY,NAT,16",#37 ORIFICE

    19% Off
    9.7
    Exceptional
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  • Value for Money

    2

    Reliance Water Heater Natural Gas Control Valve 100112336 Thermostat Compatible with A.O. Smith, Reliance, State, and American Branded Water Heaters
    Reliance

    Reliance Water Heater Natural Gas Control Valve 100112336 Thermostat Compatible with A.O. Smith, Reliance, State, and American Branded Water Heaters

    • size:Pack of 1
    • style:Indoor Installation
    • wattage:2000 watts
    • material:N/A
    • color:N/A
    9.6
    Exceptional
    Our Rating

  • 3

    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
    DROMIX

    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

    9.5
    Excellent
    Our Rating

  • 4

    EWH-02 Electric Water Heater Tune-Up Kit By NISHCON, Fit for Most Brands Water Heaters Includes Upper & Lower Heater Thermostat and Protective Covers, Water Heater Heating Elements
    NISHCON

    EWH-02 Electric Water Heater Tune-Up Kit By NISHCON, Fit for Most Brands Water Heaters Includes Upper & Lower Heater Thermostat and Protective Covers, Water Heater Heating Elements

    9.4
    Excellent

  • 5

    Upgraded SP20075 SP20305A Pilot and Igniter Assembly Kit Compatible with Richmond Water Heater Pilot Assembly, for PROTECH, GE, Rheem Natural Gas Water Heater Parts, Includes Burner Door Gasket
    Enruieer

    Upgraded SP20075 SP20305A Pilot and Igniter Assembly Kit Compatible with Richmond Water Heater Pilot Assembly, for PROTECH, GE, Rheem Natural Gas Water Heater Parts, Includes Burner Door Gasket

    9.1
    Excellent
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  • 6

    NISHCON EWH-01 Electric Water Heater Tune-Up Kit, Water Heater Parts Fit for Most Electric Water Heaters, Includes 2× Heater Elements - 4500W 240V (3500W@208V), Upper & Lower Heater Thermostat
    NISHCON

    NISHCON EWH-01 Electric Water Heater Tune-Up Kit, Water Heater Parts Fit for Most Electric Water Heaters, Includes 2× Heater Elements - 4500W 240V (3500W@208V), Upper & Lower Heater Thermostat

    9.0
    Excellent

  • 7

    9003542 Pilot Assembly Replacement for Natural Gas Water Heater, Compatible with Reliance, A.O.Smith, Kenmore, State GS and GSX, Replaces 100109295,9003542005,18324-190
    Lamudo

    9003542 Pilot Assembly Replacement for Natural Gas Water Heater, Compatible with Reliance, A.O.Smith, Kenmore, State GS and GSX, Replaces 100109295,9003542005,18324-190

    8.8
    Very Good
    Our Rating

  • 8

    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
    Pulaim

    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

    35% Off
    • size:5.9 x 4.7 x 0.5 inches
    • style:Water heater pilot assembly
    • wattage:N/A
    • material:High quality materials
    • color:N/A
    8.7
    Very Good
    Our Rating

  • 9

    Hoeine Pilot Assembly for Water Heater Parts Compatible with Rheem Ruud Richmond SP21058 SP20824 SP20754 SP20800 | NG/LP Universal Burner Ignition Replacement Kit with Thermopile & Sparker
    Hoeine

    Hoeine Pilot Assembly for Water Heater Parts Compatible with Rheem Ruud Richmond SP21058 SP20824 SP20754 SP20800 | NG/LP Universal Burner Ignition Replacement Kit with Thermopile & Sparker

    11% Off
    8.6
    Very Good

  • 10

    44" Flexible Magnesium Anode Rod, Hot Water Heater Anode Rod Replace for GE, Rheem, Reliance, Richmond, Kenmore Water Heater Including 1-1/16" Hex Socket Tool and Teflon Tape
    yrjns

    44" Flexible Magnesium Anode Rod, Hot Water Heater Anode Rod Replace for GE, Rheem, Reliance, Richmond, Kenmore Water Heater Including 1-1/16" Hex Socket Tool and Teflon Tape

    8.5
    Good