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7 Best water heaters parts of 2026

Save up to 16% off
  • Best Choice

    1

    HYDRO MASTER Tankless Water Heater Service Valve Kit with Pressure Relief Valve 3/4-Inch IPS Isolator Clean Brass
    HYDRO MASTER
    9.9
    Exceptional

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

    • Connection Size:3/4-Inch IPS
    • Material:Forged Lead Free brass
    • Pressure Relief Valve Rating:150 PSI / 200,000 BTU
    • Temperature Rating:500WOG
    • Weight:3.75 Pounds
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  • Value for Money

    2

    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
    9.6
    Exceptional

    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

    16% Off

  • 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-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
    9.4
    Excellent

    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

  • 5

    Rheem SP20867C Natural Gas Water Heater Control Valve Kit
    Rheem
    9.2
    Excellent

    Rheem SP20867C Natural Gas Water Heater Control Valve Kit

    11% Off
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  • 6

    yrjns 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
    9.1
    Excellent

    yrjns 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

  • 7

    100112330 Water Heater Pilot Assembly 9007876 Fit for AO Smith/Whirlpool | Fit for Reliance/State/American Water Heater Replace 9007877 4067826
    YIGUCS
    8.8
    Very Good

    100112330 Water Heater Pilot Assembly 9007876 Fit for AO Smith/Whirlpool | Fit for Reliance/State/American Water Heater Replace 9007877 4067826