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9 Best water heater replacement parts of 2026

Save up to 14% off
  • Best Choice

    1

    Corro-Protec Powered Anode Rod for Water Heater | 24-Hour Sulfur Smell Removal. Stops Corrosion & Reduces Sediment Buildup in Tank. 20-Year Warranty. WQA-Certified.
    Corro-Protec
    9.8
    Exceptional

    Corro-Protec Powered Anode Rod for Water Heater | 24-Hour Sulfur Smell Removal. Stops Corrosion & Reduces Sediment Buildup in Tank. 20-Year Warranty. WQA-Certified.

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  • Value for Money

    2

    HYDRO MASTER Tankless Water Heater Service Valve Kit with Pressure Relief Valve 3/4-Inch IPS Isolator Clean Brass
    HYDRO MASTER
    9.7
    Exceptional

    HYDRO MASTER Tankless Water Heater Service Valve Kit with Pressure Relief Valve 3/4-Inch IPS Isolator Clean Brass

  • 3

    EWH-00 Water Heater Thermostat, Electric Water Heater Thermostat For Double Element Heater, Include Upper And Lower Element Thermosatat, Water Heater Replacement Parts Fit For Most Water Heaters
    NISHCON
    9.4
    Excellent

    EWH-00 Water Heater Thermostat, Electric Water Heater Thermostat For Double Element Heater, Include Upper And Lower Element Thermosatat, Water Heater Replacement Parts Fit For Most Water Heaters

  • 4

    Rheem SP20867C Natural Gas Water Heater Control Valve Kit
    Rheem
    9.2
    Excellent

    Rheem SP20867C Natural Gas Water Heater Control Valve Kit

    14% Off
    • Compatibility List:XG40T06EN38U1, 6G40-38FN4, PRO+G40-38U RH62 EC1 -1, XG75T06EN76U1, PROG40-38U RH62 EC1 TT -1
    • Kit Components:gas valve and installation instructions
    • Replacement Status:Direct replacement for Rheem, Ruud and Richmond gas water heaters
    • Warranty:1-year limited warranty
    • Weight:2.63011478566 pounds

  • 5

    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
    yrjns
    9.1
    Excellent

    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

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  • 6

    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
    9.0
    Excellent

    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

  • 7

    Rheem SP20832E Natural Gas Control Thermostat | Manages Water Temperature, Regulates Natural Gas Flow, For Water Heaters
    Rheem
    8.9
    Very Good

    Rheem SP20832E Natural Gas Control Thermostat | Manages Water Temperature, Regulates Natural Gas Flow, For Water Heaters

  • 8

    AO Smith 100112342 - K,FINAL BURNER ASSY,NAT,16",#37 ORIFICE
    A. O. Smith
    8.7
    Very Good

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

  • 9

    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
    8.6
    Very Good

    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