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10 Best water heaters parts of 2026

Save up to 13% off
  • Best Choice

    1

    Rheem SP20867C Combination Gas Control Replacement Kit – Natural Gas (NG) Water Heater Valve, OEM Thermostat & Gas Regulator
    Rheem
    9.9
    Exceptional

    Rheem SP20867C Combination Gas Control Replacement Kit – Natural Gas (NG) Water Heater Valve, OEM Thermostat & Gas Regulator

    13% Off
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  • Value for Money

    2

    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

  • 3

    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
    9.6
    Exceptional

    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

    • heat output: 4500 Watts
    • color: EWH-01
    • shape: Square
    • item weight: 1.61 pounds
    • batteries included: No

  • 4

    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
    Available in: 3 styles
    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

  • 5

    Reliance Water Heater Natural Gas Control Valve 100112336 Thermostat Compatible with A.O. Smith, Reliance, State, and American Branded Water Heaters
    Reliance
    9.4
    Excellent

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

    • heat output:N/A
    • color:N/A
    • shape:N/A
    • item weight: 1.94 pounds
    • batteries included: No
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  • 6

    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

    • heat output:N/A
    • color: Silver
    • shape:N/A
    • item weight: 1.72 pounds
    • batteries included:N/A

  • 7

    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
    Available in: 3 sizes
    9.0
    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

    • heat output:N/A
    • color:‎Black
    • shape:N/A
    • item weight:‎15 ounces
    • batteries included:‎No

  • 8

    RV Designer E371, Water Heater Door Cam Lock, 2 Per Pack, Exterior Hardware
    RV Designer
    8.8
    Very Good

    RV Designer E371, Water Heater Door Cam Lock, 2 Per Pack, Exterior Hardware

    • product dimensions: 5 x 1 x 3 inches
    • color: One
    • item weight: 0.6 ounces
    • special features: Water Heater Door Cam Lock
    • special feature: Water Heater Door Cam Lock

  • 9

    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)

  • 10

    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
    8.5
    Good

    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

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