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10 Best water heater replacement parts of 2026

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  • Best Choice

    1

    WV8840C1406 - OEM Upgraded Water Heater Natural Gas Valve Fits Rheem
    Rheem

    WV8840C1406 - OEM Upgraded Water Heater Natural Gas Valve Fits Rheem

    9.7
    Exceptional
  • Powerful technology We scan thousands of products and stores, analyzing reviews to find what matters most to users like you
    Careful review Our team ensures quality, value, and fit based on real user feedback
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    • Thousands of users trust our site daily
    • Based on millions of stores and reviews
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  • Value for Money

    2

    WV8840B1158 - OEM Upgraded Water Heater NG Gas Valve Replaces Honeywell - 2" Cavity
    ClimaTek

    WV8840B1158 - OEM Upgraded Water Heater NG Gas Valve Replaces Honeywell - 2" Cavity

    • asin:B0CVHDMCLM
    • product dimensions:6 x 8 x 6 inches 1.98 Pounds
    • date first available:February 12, 2024
    • manufacturer:HYWL
    • is electric:N/A
    9.4
    Excellent

  • 3

    Corro-Protec Powered Anode Rod for Water Heater
    Corro-Protec

    Corro-Protec Powered Anode Rod for Water Heater

    • asin:B01H459TAK
    • product dimensions:‎1"W x 12"H
    • date first available:June 15, 2016
    • manufacturer:‎Corro-Protec
    • is electric:‎Yes
    9.3
    Excellent
    Our Rating

  • 4

    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

    • asin:B00CGASYAK
    • product dimensions: 12W x 8H
    • date first available:April 20, 2013
    • manufacturer: RELIANCE WATER HEATER CO
    • is electric:N/A
    9.2
    Excellent
    Our Rating

  • 5

    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

    • asin:B07D7NBBY9
    • product dimensions:N/A
    • date first available:June 21, 2018
    • manufacturer: NINGBO YINZHOU AITAI TRADING CO., LTD
    • is electric:N/A
    9.1
    Excellent
    Our Rating
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  • 6

    yrjns 44" Flexible Magnesium Anode Rod, Hot Water Heater Anode Rod
    yrjns

    yrjns 44" Flexible Magnesium Anode Rod, Hot Water Heater Anode Rod

    8.8
    Very Good

  • 7

    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

    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

    • asin:B09NM25QK5
    • product dimensions:N/A
    • date first available:December 14, 2021
    • manufacturer: AITAI
    • is electric:N/A
    8.7
    Very Good
    Our Rating

  • 8

    Rheem SP20867C Natural Gas Water Heater Control Valve Kit
    Rheem

    Rheem SP20867C Natural Gas Water Heater Control Valve Kit

    10% Off
    8.5
    Good

  • 9

    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

    8.3
    Good

  • 10

    Eemax EX410 Element for MB004120T - 120V Electric Tankless Water Heater
    Eemax

    Eemax EX410 Element for MB004120T - 120V Electric Tankless Water Heater

    8.2
    Good

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