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10 Best water heaters parts of 2026

Save up to 22% off
  • Best Choice

    1

    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
    9.7
    Exceptional

    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
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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
    9.6
    Exceptional

    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

  • 3

    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
    9.5
    Excellent

    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

  • 4

    RV Water Heater Anode Rod - 2-Pack, 2 Years Warranty - 9.25" x 3/4" NPT - Premium Magnesium Anode Rod for hot water heater Rv, Long-Lasting Protection Suburban Anode Rod for Rv Water Heater
    ONENESS 369
    9.4
    Excellent

    RV Water Heater Anode Rod - 2-Pack, 2 Years Warranty - 9.25" x 3/4" NPT - Premium Magnesium Anode Rod for hot water heater Rv, Long-Lasting Protection Suburban Anode Rod for Rv Water Heater

    • product dimensions: 9.25 x 1 x 1 inches
    • exterior: Smooth
    • item weight: 12.5 ounces
    • special features: Our anode rod comes with a one-year warranty, guaranteeing reliability and top performance for your RV's hot water system. Choose our product for optimal protection and maintenance of your RV water heater
    • oem part number: 232767, 233514

  • 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
    9.3
    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

    HYDRO MASTER Tankless Water Heater Service Valve Kit with Pressure Relief Valve 3/4-Inch IPS Isolator Clean Brass
    HYDRO MASTER
    9.2
    Excellent

    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

  • 7

    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
    9.1
    Excellent

    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

    • is electric:N/A
    • color:N/A
    • batteries included: No
    • special feature:N/A
    • item model number: 100112330

  • 8

    3 in 1 RV Water Heater Replacement Parts Kit Compatible with Atwood Dometic, 91365 RV Water Heater Control Circuit Board, 91447 Thermal Cut Off & Thermostat Kit, 93868 Spark Probe Igniter Electrode
    UHEGDRR
    9.0
    Excellent

    3 in 1 RV Water Heater Replacement Parts Kit Compatible with Atwood Dometic, 91365 RV Water Heater Control Circuit Board, 91447 Thermal Cut Off & Thermostat Kit, 93868 Spark Probe Igniter Electrode

  • 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
    DROMIX
    8.9
    Very Good

    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

    • is electric:N/A
    • color: EWH-03
    • batteries included: No
    • special feature:N/A
    • item model number: EWH-03

  • 10

    SP21058 Pilot Assembly for Water Heater Parts with Thermopile & Sparker Compatible with Rheem Ruud Richmond Water Heaters, NG with LP Orifice, Aging-Resistant, Replace# SP20824 SP20754 SP21059 SP20800
    JURPLIX
    8.8
    Very Good

    SP21058 Pilot Assembly for Water Heater Parts with Thermopile & Sparker Compatible with Rheem Ruud Richmond Water Heaters, NG with LP Orifice, Aging-Resistant, Replace# SP20824 SP20754 SP21059 SP20800

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