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10 Best water heater replacement parts of 2026

Save up to 22% off
  • Best Choice

    1

    AO Smith 100112342 - K,FINAL BURNER ASSY,NAT,16",#37 ORIFICE
    A. O. Smith
    9.7
    Exceptional

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

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  • Value for Money

    2

    Reliance water heater gas control valve 100112336 trade number WT8840B 160 Degree F 1" Cavity made by Resideo
    Honeywell
    9.5
    Excellent

    Reliance water heater gas control valve 100112336 trade number WT8840B 160 Degree F 1" Cavity made by Resideo

    14% Off

  • 3

    Corro-Protec Powered Anode Rod for Water Heater, 20-Year Warranty, Eliminates Rotten Egg/Sulfur Smell within 24 hours, Stops Corrosion and Reduces Limescale, Electrical Anode Rod Made of Titanium
    Corro-Protec
    9.2
    Excellent

    Corro-Protec Powered Anode Rod for Water Heater, 20-Year Warranty, Eliminates Rotten Egg/Sulfur Smell within 24 hours, Stops Corrosion and Reduces Limescale, Electrical Anode Rod Made of Titanium

    • is electric:‎Yes
    • color:‎Black
    • batteries included:‎No
    • special feature:‎Certified by the Water Quality Association
    • item model number:‎CP-R

  • 4

    Reliance Water Heater Natural Gas Control Valve 100112336 Thermostat Compatible with A.O. Smith, Reliance, State, and American Branded Water Heaters
    Reliance
    9.1
    Excellent

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

    • is electric:N/A
    • color:N/A
    • batteries included: No
    • special feature:N/A
    • item model number: 9007884005

  • 5

    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
    9.0
    Excellent

    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

    • is electric:N/A
    • color: Silver
    • batteries included:N/A
    • special feature:N/A
    • item model number: 44 Magnesium Water Heater Anode Rod
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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
    8.9
    Very Good

    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

    • is electric:N/A
    • color: EWH-01
    • batteries included: No
    • special feature:N/A
    • item model number: EWH-01

  • 7

    Rheem SP20060 Electric Water Heater Tune-Up Kit
    Rheem
    8.8
    Very Good

    Rheem SP20060 Electric Water Heater Tune-Up Kit

    • is electric:N/A
    • color:N/A
    • batteries included: No
    • special feature:N/A
    • item model number: SP20060

  • 8

    Reliance Water Heater 100109136 Electric Water Heater Plumber Repair Pack, Includes 1 Each Upper Thermostat, 1 set
    Reliance
    8.7
    Very Good

    Reliance Water Heater 100109136 Electric Water Heater Plumber Repair Pack, Includes 1 Each Upper Thermostat, 1 set

  • 9

    HYDRO MASTER Tankless Water Heater Service Valve Kit with Pressure Relief Valve 3/4-Inch IPS Isolator Clean Brass
    HYDRO MASTER
    8.6
    Very Good

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

    22% Off
    • is electric:N/A
    • color:‎multi-color
    • batteries included:‎No
    • special feature:N/A
    • item model number:‎0560301

  • 10

    HertzEagle Powered Anode Rod for Water Heater, Electric Anode Rod for Water Heater, Eliminate Sulfur Smell in Well Water, Eliminate Rotten Egg Smell in Water, for 40-89 Gallon Except Bradford White
    HertzEagle
    8.5
    Good

    HertzEagle Powered Anode Rod for Water Heater, Electric Anode Rod for Water Heater, Eliminate Sulfur Smell in Well Water, Eliminate Rotten Egg Smell in Water, for 40-89 Gallon Except Bradford White

    • is electric:N/A
    • color:N/A
    • batteries included: No
    • special feature:N/A
    • item model number: C001

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