Need the best water heater replacement parts? We’ve got you covered with 10 top options to keep your system running smoothly and efficiently.
Keeping your water heater in top shape is key to a cozy home. With the right replacement parts, you can save money and avoid headaches. Let’s explore the best options to keep your system running smoothly.
From titanium anode rods to gas control valves, we’ve got you covered. These parts are easy to install and built to last. You’ll find smart solutions for every need.
Whether you’re fixing a leak or upgrading, this guide has simple, clear advice. Get ready to boost your water heater’s performance with confidence. Let’s dive in!
List of Top 10 Water Heater Replacement Parts
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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 |
This product is perfect for homeowners who want hassle-free hot water and long-lasting protection for their water heater. It’s ideal for anyone dealing with rotten egg smells, corrosion, or limescale buildup. |
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Reliance Water Heater Natural Gas Control Valve 100112336 Thermostat Compatible with A.O. Smith, Reliance, State, and American Branded Water Heaters |
This Reliance Water Heater Control Valve is perfect for homeowners who need a reliable replacement part for their gas water heater. It’s compatible with top brands like A.O. Smith, Reliance, State, and American, making it a great choice for professional installation. |
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Reliance Water Heater 100109136 Electric Water Heater Plumber Repair Pack, Includes 1 Each Upper Thermostat, 1 set |
This Reliance Water Heater Repair Pack is perfect for homeowners who want to fix their electric water heater quickly. It’s easy to use and includes everything needed for a simple repair. |
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Reliance water heater gas control valve 100112336 trade number WT8840B 160 Degree F 1″ Cavity made by Resideo |
This Reliance water heater gas control valve is perfect for homeowners who want reliable hot water. It’s easy to install and works well in any weather. |
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HYDRO MASTER Tankless Water Heater Service Valve Kit with Pressure Relief Valve 3/4-Inch IPS Isolator Clean Brass |
This HYDRO MASTER Tankless Water Heater Service Valve Kit is perfect for homeowners and plumbers who want a reliable, easy-to-install solution for their tankless water heater systems. It’s ideal for anyone looking to upgrade or replace valves with a durable, lead-free option that works with major brands like Rheem, Rinnai, and EcoSmart. |
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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 |
This 44″ Flexible Magnesium Anode Rod is perfect for homeowners who want to protect their water heater and save money. It’s easy to install and works with most water heater brands, making it a smart choice for anyone looking to extend their water heater’s life. |
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Rheem SP20060 Electric Water Heater Tune-Up Kit |
This Rheem SP20060 Electric Water Heater Tune-Up Kit is perfect for homeowners who want to keep their water heater running smoothly. It’s also great for plumbers needing a reliable repair kit. |
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Rheem UV11698 Therm-O-Disc Upper Thermostat, Electric Water Heaters |
This Rheem UV11698 Therm-O-Disc Upper Thermostat is perfect for homeowners and maintenance professionals who need a reliable thermostat for electric water heaters. It works with 208, 240, 277, and 480 volts and keeps water safe with a max 150-degree limit. |
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Rheem SP20867C Combination Gas Control Replacement Kit – Natural Gas (NG) Water Heater Valve, OEM Thermostat & Gas Regulator |
This Rheem SP20867C Combination Gas Control Replacement Kit is perfect for homeowners with Rheem, Ruud, or Richmond natural gas water heaters. It’s a direct replacement that’s easy to install and works with common models. |
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EWH-00 Water Heater Thermostat, Electric Water Heater Thermostat For Double Element Heater, Include Upper And Lower Element Thermosatat, Water Heater Replacement Parts Fit Most Water Heaters |
This EWH-00 Water Heater Thermostat is perfect for homeowners and plumbers who need a reliable replacement part for their double element water heater. It’s easy to install and fits most water heater brands, making it a great choice for quick repairs. |
Detailed Reviews
Discover the top 10 Water Heater Replacement Parts handpicked for performance, durability, and value. From corrosion-stopping anode rods to reliable thermostats, this guide ensures your water heater runs smoothly. Find the perfect fit for your needs and enjoy long-lasting comfort with ease.
1. 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’s powered anode rod keeps your water heater in top shape. It stops corrosion and removes bad smells fast. Enjoy 20 years of worry-free use with its strong warranty.
This titanium rod works with all water types and systems. It’s safe, durable, and easy to install. No more replacing rods every few years.
Save money on energy bills and extend your tank’s life. Certified lead-free and trusted by experts. A smart choice for your home.
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for homeowners who want hassle-free hot water and long-lasting protection for their water heater. It’s ideal for anyone dealing with rotten egg smells, corrosion, or limescale buildup.
Ready to Purchase?
2. Reliance Water Heater Natural Gas Control Valve 100112336 Thermostat Compatible with A.O. Smith, Reliance, State, and American Branded Water Heaters

Upgrade your water heater with the Reliance Water Heater Natural Gas Control Valve. This thermostat is compatible with A.O. Smith, Reliance, State, and American Branded Water Heaters, ensuring a perfect fit for many homes.
This part offers great value. It’s manufactured in China. Professional installation is recommended to ensure proper function and warranty coverage.
| Pros | Cons |
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Perfect For:
This Reliance Water Heater Control Valve is perfect for homeowners who need a reliable replacement part for their gas water heater. It’s compatible with top brands like A.O. Smith, Reliance, State, and American, making it a great choice for professional installation.
Ready to Purchase?
3. Reliance Water Heater 100109136 Electric Water Heater Plumber Repair Pack, Includes 1 Each Upper Thermostat, 1 set

Fix your Reliance Water Heater with this essential repair pack. It includes everything you need for common fixes. Get your hot water flowing again quickly!
This plumber repair pack is designed for easy installation. It contains a new upper thermostat and a full set of parts.
Restore your comfort with this convenient kit. It’s a smart choice for any homeowner. Get reliable performance back!
| Pros | Cons |
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Perfect For:
This Reliance Water Heater Repair Pack is perfect for homeowners who want to fix their electric water heater quickly. It’s easy to use and includes everything needed for a simple repair.
Ready to Purchase?
4. Reliance water heater gas control valve 100112336 trade number WT8840B 160 Degree F 1″ Cavity made by Resideo

This is a Reliance water heater gas control valve. It’s part number 100112336, also known as WT8840B. This valve is designed to work at 160 degrees F.
It’s made by Resideo and has a 1-inch cavity. It handles ambient temperatures from 0°C to 60°C.
| Pros | Cons |
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Perfect For:
This Reliance water heater gas control valve is perfect for homeowners who want reliable hot water. It’s easy to install and works well in any weather.
Ready to Purchase?
5. HYDRO MASTER Tankless Water Heater Service Valve Kit with Pressure Relief Valve 3/4-Inch IPS Isolator Clean Brass

The HYDRO MASTER Tankless Water Heater Service Valve Kit is a durable, all-in-one solution for your water heater needs. Made from thick, forged Lead Free brass, it ensures strength and leak prevention. Each valve set is factory-tested for reliability and long service life.
This kit includes hot and cold isolation valves, a pressure relief valve, and full port ball valves for maximum water flow. It’s compatible with major tankless water heater brands and fits standard 3/4 inch IPS connections.
Easy to install with color-coded handles for quick identification. Meets federal and state standards for lead content and is CSA certified.
| Pros | Cons |
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Perfect For:
This HYDRO MASTER Tankless Water Heater Service Valve Kit is perfect for homeowners and plumbers who want a reliable, easy-to-install solution for their tankless water heater systems. It’s ideal for anyone looking to upgrade or replace valves with a durable, lead-free option that works with major brands like Rheem, Rinnai, and EcoSmart.
Ready to Purchase?
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

Extend the life of your water heater with this 44″ Flexible Magnesium Anode Rod. It’s designed to prevent corrosion and keep your tank strong. This is a smart investment for long-term performance.
This replacement kit is compatible with many brands, including GE, Rheem, and Kenmore. Its flexible, segmented design makes installation easy, even in tight spaces. It uses a standard ¾” NPT connection.
Simply replace your old rod every 2 years. This simple step will protect your water heater for years to come.
| Pros | Cons |
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Perfect For:
This 44″ Flexible Magnesium Anode Rod is perfect for homeowners who want to protect their water heater and save money. It’s easy to install and works with most water heater brands, making it a smart choice for anyone looking to extend their water heater’s life.
Ready to Purchase?
7. Rheem SP20060 Electric Water Heater Tune-Up Kit

Keep your Rheem SP20060 Electric Water Heater running smoothly with this essential Tune-Up Kit. It’s the “Plumber’s Pack” designed to maintain your water heater’s peak performance.
This repair kit is easy to use. It ensures lasting efficiency. Get yours today!
| Pros | Cons |
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Perfect For:
This Rheem SP20060 Electric Water Heater Tune-Up Kit is perfect for homeowners who want to keep their water heater running smoothly. It’s also great for plumbers needing a reliable repair kit.
Ready to Purchase?
8. Rheem UV11698 Therm-O-Disc Upper Thermostat, Electric Water Heaters

The Rheem UV11698 Therm-O-Disc Upper Thermostat is a reliable and efficient solution for electric water heaters. It ensures your water heater operates safely and effectively.
This thermostat features a 2-pole high limit with normally open and normally closed contacts. It works with 208, 240, 277, and 480 volts. The maximum temperature is 150 degrees.
It’s easy to install and built to last. The Therm-O-Disc design ensures consistent performance. Trust this thermostat for long-term reliability.
| Pros | Cons |
|---|---|
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Perfect For:
This Rheem UV11698 Therm-O-Disc Upper Thermostat is perfect for homeowners and maintenance professionals who need a reliable thermostat for electric water heaters. It works with 208, 240, 277, and 480 volts and keeps water safe with a max 150-degree limit.
Ready to Purchase?
9. Rheem SP20867C Combination Gas Control Replacement Kit – Natural Gas (NG) Water Heater Valve, OEM Thermostat & Gas Regulator

Keep your water heater running smoothly with the Rheem SP20867C Combination Gas Control Replacement Kit. This OEM genuine factory authorized part is designed for natural gas (NG) water heaters, ensuring a direct replacement for many Rheem, Ruud, and Richmond models.
Included is the essential gas valve and installation instructions to make the replacement process straightforward. This kit is compatible with a range of popular Rheem family of brands models, offering a reliable solution for your water heating needs.
It comes with a 1-year limited warranty. Get yours today.
| Pros | Cons |
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Perfect For:
This Rheem SP20867C Combination Gas Control Replacement Kit is perfect for homeowners with Rheem, Ruud, or Richmond natural gas water heaters. It’s a direct replacement that’s easy to install and works with common models.
Ready to Purchase?
10. EWH-00 Water Heater Thermostat, Electric Water Heater Thermostat For Double Element Heater, Include Upper And Lower Element Thermosatat, Water Heater Replacement Parts Fit Most Water Heaters

Keep your water hot and your home running smoothly with the EWH-00 Water Heater Thermostat. This essential replacement part ensures your electric water heater performs at its best, providing reliable temperature control for your comfort.
This comprehensive kit includes both the upper and lower thermostats, designed to fit most major water heater brands. With a wide temperature adjustment range and safety-approved construction, you can trust in its powerful performance and long-lasting durability.
It’s a smart repair solution. Enjoy peace of mind with a one-year warranty. Get yours today!
| Pros | Cons |
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Perfect For:
This EWH-00 Water Heater Thermostat is perfect for homeowners and plumbers who need a reliable replacement part for their double element water heater. It’s easy to install and fits most water heater brands, making it a great choice for quick repairs.
Ready to Purchase?
Buying Guide
Keeping your water heater in top shape is easy with the right parts. You’ll save money and avoid stress. Let’s find the best options for your needs.
Factors to Consider When Buying Water Heater Replacement Parts:
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Compatibility:
Make sure the part fits your water heater model. Check the brand and type before buying. -
Durability:
Choose parts made from strong materials like titanium or brass. They last longer and save you money. -
Ease of Installation:
Look for parts that are easy to install. Some kits come with tools and instructions for quick fixes. -
Warranty:
A good warranty gives you peace of mind. It shows the part is reliable and built to last. -
Functionality:
Pick parts that solve your problem. For example, anode rods stop corrosion, while thermostats control temperature. -
Safety:
Ensure parts meet safety standards. Look for certifications like lead-free or CSA certified. -
Cost:
Compare prices to find the best value. High-quality parts often save you money in the long run.
Engaging Experience:
With these smart solutions, you’ll keep your water heater running smoothly. Enjoy hot water and a cozy home without the hassle.