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10 Best water heaters parts of 2026
Explore top picks
Best Choice1
Rheem9.9Exceptional
Rheem SP20867C Combination Gas Control Replacement Kit – Natural Gas (NG) Water Heater Valve, OEM Thermostat & Gas Regulator
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Value for Money2
9.6Exceptional
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
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is electric:Yes
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color:Black
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batteries included:No
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special feature:Certified by the Water Quality Association
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item model number:CP-R
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3
DROMIX9.5Excellent
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
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is electric:N/A
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color: EWH-01
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batteries included: No
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special feature:N/A
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item model number: EWH-01
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4
A. O. Smith9.3Excellent
AO Smith 100112342 - K,FINAL BURNER ASSY,NAT,16",#37 ORIFICE
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5
9.2Excellent
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
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6
Reliance9.1Excellent
Reliance Water Heater Natural Gas Control Valve 100112336 Thermostat Compatible with A.O. Smith, Reliance, State, and American Branded Water Heaters
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is electric:N/A
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color:N/A
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batteries included: No
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special feature:N/A
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item model number: 9007884005
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7
yrjns9.0Excellent
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
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is electric:N/A
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color: Silver
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batteries included:N/A
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special feature:N/A
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item model number: 44 Magnesium Water Heater Anode Rod
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8
8.9Very Good
ONENESS 369 RV Water Heater Anode Rod 2-Pack, Galvanized 9.25”x3/4” NPT
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product dimensions: 9.25 x 1 x 1 inches
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exterior: Smooth
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item weight: 12.5 ounces
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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
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oem part number: 232767, 233514
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9
RV Designer8.7Very Good
RV Designer E371, Water Heater Door Cam Lock, 2 Per Pack, Exterior Hardware
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product dimensions: 5 x 1 x 3 inches
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color: One
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item weight: 0.6 ounces
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special features: Water Heater Door Cam Lock
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special feature: Water Heater Door Cam Lock
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10
UHEGDRR8.6Very 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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