Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
Advertising Disclosure
10 Best water heater replacement parts of 2026
Save up to 30% off
- Best Choice
1
RheemCombination Gas Control Replacement Kit - NG
- Value for Money
2
ClimaTekWV8840B1158 - OEM Upgraded Water Heater NG Gas Valve Replaces Honeywell - 2" Cavity
3
Corro-ProtecCorro-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
4
DROMIXEWH-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
RelianceReliance Water Heater Natural Gas Control Valve 100112336 Thermostat Compatible with A.O. Smith, Reliance, State, and American Branded Water Heaters
-
See Today’s Deals & Prices
6
RelianceReliance Water Heater 100109136 Electric Water Heater Plumber Repair Pack, Includes 1 Each Upper Thermostat, 1 set
7
HoneywellReliance water heater gas control valve 100112336 trade number WT8840B 160 Degree F 1" Cavity made by Resideo
17% Off8
HertzEagleHertzEagle Powered Anode Rod for Water Heater, Electric Anode Rod for Water Heater, Eliminate Sulfur Smell in Well Water, Eliminate Rotten Egg Smell in Water, for 40-89 Gallon Except Bradford White
30% Off9
EemaxEemax EX630 Replacement Element for EX95, EX95T
10
RheemRheem AP14270G Gas Control Thermostat, Natural Gas , Gray , 12.7X7.5X6.6 inches
