Water Heaters Parts of 2025

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Last Updated - June 7, 2025

Best Choice

1

Ranein
Ranein Natural Gas Tankless Water Heater with Vent Pipe, Indoor Max 4.3 GPM, 100,000 BTU Instant Hot Water Heater

20% Off

9.5 worth the money

9.1 Easy installation

8.7 Long life

Why we love it

Instant hot water on demand.

Easy installation with included vent pipe.

Energy-efficient with reduced heat loss.
Main highlights

Continuous_Hot_Water_Availability
Provides up to 3.6 GPM, supporting multiple outlets simultaneously.

Ideal_for_Multi-Point_Households
Perfect for homes needing hot water in bathrooms, kitchens, and bars.

Ease_of_Installation_Praised
Customers love the straightforward installation and setup process.
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9.9

Exceptional

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How do we rank?

Using our advanced technology, we scan thousands of products and stores, analyzing reviews, ratings, and trends to find what matters most to users like you.

Our team then reviews the data and real user feedback, combining AI and human insights to bring you real-time, top-rated recommendations to guide your decisions with clarity and confidence.
Value for Money

2

Chromex
Chromex Tankless Water Heater Flush Kit with Gallon Liquid Descaling Solution and 1/6HP Extra Strength Pump

9.9 Easy installation

9.7 Simple to use

9.5 Instruction
Main highlights

Works with most all tankless water heaters such as Rinnai, Bosch, Noritz, Rheem, Takagi, Tempra, Navien, Ecosmart, Stiebel, Eccotemp, Atmor, Trutankless, Marey Power, and others. ChromeX manufactures thoughtful tools and accessories for both the do-it-yourselfer and the professional. Customer satisfaction is our main priority, so please don’t hesitate to contact us with any questions or concerns. All Chromex products also come with a 1 Year warranty and hassle-free returns.
Works with most all tankless water heaters such as Rinnai, Bosch, Noritz, Rheem, Takagi, Tempra, Navien, Ecosmart, Stiebel, Eccotemp, Atmor, Trutankless, Marey Power, and others.
Our cleaning solution removes scale deposits from tankless water heaters, which helps improve its efficacy and lifespan. Its citric acid based, and solvent free formula is safe for use with most metals, PVC, Rubber and ABS plastic hoses and materials. Its also non corrosive and safe for potable water systems.
6 Piece Tank-less Water Heater Flush Kit. Helps maintain and extend the lifespan of your tank-less water heater. Kit comes with 5 gallon bucket with lid, 1/6 HP Pump, 2 High quality stainless steel hoses, descaler solution.
6 Foot hoses easily connect to tankless heater valves, and the kit will clean most heaters in 30 minutes or less! Usage instructions are included as an info-graphic on this listing as well as with your kit.
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9.8

Exceptional

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3

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

8.2 Easy installation

8.0 worth the money

Why we love it

Durable value

Professional installation

Quality manufacturing
Main highlights

Key Features
Enhances safety and efficiency in gas appliances, manufactured in China, ensuring reliable performance and adding significant value to your setup.

Ideal Use Cases
Perfect for professional installation in residential or commercial gas systems, optimizing functionality and ensuring compliance with safety standards.

Customer Reviews
Most praised for its durability and reliability, customers appreciate the peace of mind and quality assurance it offers.
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9.7

Exceptional

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4

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

9.1 Easy installation

8.9 Simple to use

8.4 worth the money

Why we love it

Lead Free: Safe drinking water

Colored handles: Easy hot/cold identification

CSA Certified: Quality assured
Main highlights

Key Features and Benefits
Lead-free brass, 3/4-Inch IPS, easy identification colored handles, includes pressure relief valve, CSA certified, easy installation.

Ideal Use Cases
Perfect for tankless water heater installations requiring safe, lead-free components and effective system isolation for maintenance.

Customer Reviews Summary
Highly praised for its straightforward installation process and the reliable, easy-to-use color-coded valve handles.
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9.6

Exceptional

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5

ONENESS 369
RV Water Heater Anode Rod - 2-Pack, 2 Years Warranty - 9.25" x 3/4" NPT - Premium Magnesium Anode Rod for hot water heater Rv, Long-Lasting Protection Suburban Anode Rod for Rv Water Heater

9.9 worth the money

9.9 Easy installation

9.9 Simple to take off
Main highlights

When choosing an RV anode rod, consider the nut type based on water conditions. Steel nuts suit softer water, while galvanized nuts offer better durability in harsh, mineral-rich environments. Also, pick the right rod size: Suburban models need a 9.25" x 3/4" NPT rod; Atwood models require a 4.5" x 1/2" NPT rod. Don’t overlook these essentials for your water heater!
Trailblazing USA-Based Small Business: Led by an owner with over a decade of experience in the water heater industry and extensive RV travel, we understand what it takes to provide the perfect RV water heater experience.
Tired of Stubborn Anode Rods or your RV Element ? Our Dual Hex Removal Tool is your new best friend. It makes maintenance a breeze, ensuring your water stays hot without the struggle. The only thing that should be tough on your trip is deciding which trail to hike!
The Ultimate RV Accessories Kit: Embark on every journey with confidence, thanks to our comprehensive RV Accessories Kit. It includes the Dual Hex Wrench for easy anode replacement and the Oneness 369 RV Water Heater Element, engineered with Incoloy 840 for corrosion resistance and high-temperature stability, ensuring reliable, enduring water heater performance.
Superior Corrosion Protection for Suburban Water Heaters: Designed specifically for Suburban water heaters, our RV water heater anode rod with a 9.25” x 3/4” NPT rod offers unmatched defense against rust and corrosion. It sacrifices itself to protect your tank, ensuring reliable hot water on every adventure.
Our Magnesium is composed of 99.9% pure magnesium. The Best Choice for RVing: Our magnesium anode rod offers superior protection for your RV hot water tank anode rod, especially in the varied water conditions often encountered on the road. Unlike aluminum or zinc, which can corrode quickly, magnesium is more effective at drawing corrosive elements away from the tank.
Feeling Chilly? Time to Upgrade! Your anode rod for hot water heater RV might be waving the white flag. Upgrade with our Suburban anode rod for RV water heater, perfect for models SW6DE, SW10DE, SW12DE—because nobody likes unexpected cold showers.
Don’t Let Corrosion Ruin Your Cozy Camper: A corroded camper anode rod water heater can turn your warm RV into a cold, unwelcoming space. Our RV anode rod acts as your knight in shining armor, battling tank corrosion to secure your comfort. Bonus: Your RV will be the warmest on the block!
Comprehensive Compatibility for Suburban Water Heaters: Our RV anode rod is an essential part of maintaining your Suburban water heater’s efficiency and is compatible with various RV brands. Whether you need crossroads RV replacement parts, heartland RV parts, keystone RV parts catalog, RV replacement parts catalog, or winnebago parts, this anode rod ensures your Suburban water heater remains in top condition.
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9.5

Excellent

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6

DROMIX
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

9.3 Easy installation

8.7 worth the money

8.0 Simple to clean
Main highlights

【Versatile Fits】The Tune-up Kits in Plumber's pack Fits Most Water Heaters with Dual Elements - Rheem, A.O Smith, Whirlpool, GE, Richmond, Ruud, BRADFORD WHITE; CRAFTMASTER; GENERAL ELECTRIC; GS WOOD; KENMORE; LOCHINVAR; RELIANCE; RICHMOND; STATE; MOR-FLO; APCOM etc
【ONE YEAR WARRANTY】Z Turn-up Kit Includes (2) 4500W 240V COPPER Water Heater Element, Insert Length: 13-9/16". 3500W@208V. Fit Most Brands of Water Heater >= 30 Gallons.
【ONE YEAR WARRANTY】Includes (1) Upper Water Heater Thermostat, (1) Lower Water Heater Thermostat, 120V ~ 480V
【More Durable】Extra Longer Life of Heating Element with Chromed Coating on the Heating Area
【Interchangeable】Therm-O-Disc Type Thermostat, Can interchange with APCOM type.
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9.4

Excellent

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7

A.A
Water Heater Element Switch for Use On Suburban SW Series 232259, 232362, 525001 233358 233357

33% Off

Why we love it

Easy install

Prevents burn out

Safely turns off element
Main highlights

Key Features
Ensures water heater element longevity by preventing operation without water. Compatible with Suburban SW Series, models 232259, 233358, 233357, 525001.

Ideal Use Cases
Perfect for winterizing RVs, preventing accidental element burn-out when the tank is empty. Essential for RV maintenance and care.

Customer Praise
Highly praised for its easy installation process and effectiveness in protecting water heater elements, making it a must-have for RV owners.
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9.2

Excellent

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8

Rheem
Rheem SP20060 Electric Water Heater Tune-Up Kit, 2

27% Off

9.9 Simple to clean

9.7 Easy installation

9.7 Simple to take off

Why we love it

Complete kit for water heater repair.

Easy to install with basic DIY skills.

Cost-effective compared to replacing the water heater.
Main highlights

Complete Tune-Up Kit
The Repair Kit, PlumberS Pack by Rheem is a comprehensive solution for revitalizing water heaters, including both thermostats and heating elements.

Ideal for DIY Repairs
Perfect for homeowners looking to fix water heater issues themselves without needing extensive tools or expertise, making it a cost-effective alternative to replacements.

Easy Installation
Customers frequently praise the easy-to-follow instructions and straightforward installation process, allowing for quick and efficient repairs.
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8.9

Very Good

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9

Lrichy
Lrichy 3 in 1 Value RV Water Heater Replacement Parts Spare Kit for Atwood/Dometic, 91365 RV Water Heater Circuit Board, 91447 Thermal Cut Off & Thermostat Kit, 93868 Spark Probe Igniter Electrode

Why we love it

Easy installation with included guide.

Durable components ensure reliability.

Wide compatibility with many RV models.
Main highlights

Integrated Kit for Easy Repairs
Combines essential components for seamless RV water heater repair and replacement.

Ideal for Atwood/Dometic Models
Perfect fit for a wide range of Atwood/Dometic RV water heaters.

Durability Praised by Customers
High-quality materials ensure long-lasting performance and customer satisfaction.
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8.7

Very Good

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10

Lrichy
Lrichy 3 in 1 Value RV Water Heater Replacement Parts Spare Kit for Atwood/Dometic, 91365 RV Water Heater Circuit Board, 91447 Thermal Cut Off & Thermostat Kit, 93868 Spark Probe Igniter Electrode

Why we love it

Easy installation with included guide.

Durable components ensure reliability.

Wide compatibility with many RV models.
Main highlights

Integrated Kit for Easy Repairs
Combines essential components for seamless RV water heater repair and replacement.

Ideal for Atwood/Dometic Models
Perfect fit for a wide range of Atwood/Dometic RV water heaters.

Durability Praised by Customers
High-quality materials ensure long-lasting performance and customer satisfaction.
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8.5

Good

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Water Heaters Parts of 2025

1

Ranein Natural Gas Tankless Water Heater with Vent Pipe, Indoor Max 4.3 GPM, 100,000 BTU Instant Hot Water Heater

Why we love it

How do we rank?

2

Chromex Tankless Water Heater Flush Kit with Gallon Liquid Descaling Solution and 1/6HP Extra Strength Pump

3

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

Why we love it

4

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

Why we love it

5

RV Water Heater Anode Rod - 2-Pack, 2 Years Warranty - 9.25" x 3/4" NPT - Premium Magnesium Anode Rod for hot water heater Rv, Long-Lasting Protection Suburban Anode Rod for Rv Water Heater

6

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

7

Water Heater Element Switch for Use On Suburban SW Series 232259, 232362, 525001 233358 233357

Why we love it

8

Rheem SP20060 Electric Water Heater Tune-Up Kit, 2

Why we love it

9

Lrichy 3 in 1 Value RV Water Heater Replacement Parts Spare Kit for Atwood/Dometic, 91365 RV Water Heater Circuit Board, 91447 Thermal Cut Off & Thermostat Kit, 93868 Spark Probe Igniter Electrode

Why we love it

10

Lrichy 3 in 1 Value RV Water Heater Replacement Parts Spare Kit for Atwood/Dometic, 91365 RV Water Heater Circuit Board, 91447 Thermal Cut Off & Thermostat Kit, 93868 Spark Probe Igniter Electrode

Why we love it

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