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9 Best water heaters parts of 2026

Explore top picks
  • Best Choice

    1

    100112330 Water Heater Pilot Assembly 9007876 Fit for AO Smith/Whirlpool
    YIGUCS
    9.9
    Exceptional

    100112330 Water Heater Pilot Assembly 9007876 Fit for AO Smith/Whirlpool

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  • Value for Money

    2

    yrjns 44" Flexible Magnesium Anode Rod, Hot Water Heater Anode Rod
    yrjns
    9.6
    Exceptional

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

  • 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

    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
    9.2
    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

  • 5

    AO Smith 100112342 - K,FINAL BURNER ASSY,NAT,16",#37 ORIFICE
    A. O. Smith
    9.0
    Excellent

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

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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
    8.9
    Very Good

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

  • 7

    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
    8.8
    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

    • asin:B07D7NBBY9
    • batteries included: No
    • batteries required: No
    • best sellers rank: 22,393 in Tools & Home Improvement See Top 100 in Tools & Home Improvement 9 in Water Heater Replacement Parts
    • brand: DROMIX

  • 8

    Camco Automatic Temperature and Pressure Relief Valve with Extension Probe and Lever | Features an All Brass Body with a Stainless Steel Pressure Spring | (10473)
    Camco
    8.6
    Very Good

    Camco Automatic Temperature and Pressure Relief Valve with Extension Probe and Lever | Features an All Brass Body with a Stainless Steel Pressure Spring | (10473)

  • 9

    Reliance Water Heater Natural Gas Control Valve 100112336 Thermostat Compatible with A.O. Smith, Reliance, State, and American Branded Water Heaters
    Reliance
    8.5
    Good

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