16 Best Pumps for Flushing Tankless Water Heaters

Discover the best pump for flushing tankless water heaters, ensuring efficient maintenance and longevity for your home’s hot water system.
16 Best Pumps for Flushing Tankless Water Heaters

Top Quick Picks For You

Best Entry-Level Choice

6699 Flushing Kit

6699 Flushing Kit

This kit is designed for easy use and includes everything needed for flushing a tankless water heater, making it ideal for beginners.

Best for Easy Installation

VEVOR Flushing Kit

VEVOR Flushing Kit

This flushing kit offers a hassle-free installation process with all necessary components included, making it user-friendly.

Best for High Flow Rate

FluentPower

FluentPower

With a maximum flow rate of 1900 GPH, this pump is perfect for rapid water removal, making it suitable for high flow needs.

Best for Compact Design

6699 Portable Pump

6699 Portable Pump

This portable utility pump has a small footprint, making it easy to store and transport, suitable for various home applications.

Best Pump for Flushing Tankless Water Heater

When it comes to maintaining the efficiency and longevity of your tankless water heater, having the right pump can make all the difference. This essential tool helps you flush away mineral buildup and sediment that can hinder performance, ensuring your hot water flows freely and reliably. In this guide, we’ll explore the best pumps on the market, helping you make an informed choice for your home improvement journey.

Best Entry-Level Choice: 6699 Flushing Kit

Tankless Water Heater Flushing Kit Includes 1/6HP Submersible Sump Pump with Two Adapters & 3 Gallons Pail with Bucket Lid Opener & Two 1/2” Dia X 6’ PVC Hoses with Washers
GoodNot So Good
Easy to useVinegar not included
All-in-one kitHoses may be short
Energy-efficient pumpStruggles to prime

We’re thrilled to introduce our top pick for the “Best Entry-Level Choice” – the Tankless Heater Clean Kit !

This all-in-one kit equips you with everything necessary for a seamless flushing experience of your tankless water heater .

Designed for beginners, it effortlessly connects to your heater using the included hoses .

Simply mix one gallon of vinegar or your favorite biodegradable cleaner, and you’re good to go !

The pump, featuring a powerful yet quiet 1/6HP motor, can push water up to 16.5 feet, making flushing a breeze .

While the vinegar isn’t included, this kit makes tackling maintenance easy and efficient .

Dive into a hassle-free cleaning experience today!

Be sure to also check out the best under sink tankless water heater for more options! Also, here is the price history so you know exactly when to buy!

Price history for 6699 Flushing Kit on Amazon

Best for Easy Installation: VEVOR Flushing Kit

VEVOR Tankless Water Heater Flushing Kit, Includes Efficient Pump & 3.7 Gallon Pail & 2 Hoses, Wrench and Adapter for Quick Install, Easy to Start Water Heater Flush Descale Kit Anti-corrosion
GoodNot So Good
Powerful 1/3 HP performancePossible defective units
Waterproof design prevents damageRequires additional tools
Easy 4-step installationLimited brand recognition

When it comes to flushing your tankless water heater, we found that the VEVOR tankless water heater flushing kit stands out as the best for easy installation .

With its powerful 1/3 HP performance, the pump delivers an impressive 1980 GPH—making descaling a breeze .

The advanced waterproof design means you can work without worrying about water damage .

Plus, the dual-layer hose ensures leak and rust resistance .

We love how user-friendly it is; just follow four simple steps for setup !

This kit includes everything you need, from hoses to adapters, making it the perfect companion for hassle-free maintenance .

Enjoy the peace of mind this kit brings!

Be sure to also check out the best water softener for tankless water heater for more options! Also, here is the price history so you know exactly when to buy!

Price history for VEVOR Flushing Kit on Amazon

Best for High Flow Rate: FluentPower

FLUENTPOWER 1/4HP Utility Pump 1900GPH Portable Submersible Sump Pump, Manual Control with 16.4 Ft Cord for Draining Water from Pool Pond Garden Hot Tub Basement Tankless Heater Liquids
GoodNot So Good
Efficient water flowNo on/off switch
Lightweight and portableConnector leaks
Durable constructionManual operation only

When it comes to efficiently flushing your tankless water heater, we’ve found an exceptional choice—the FLUENTPOWER 1/4 HP Utility Pump .

With an impressive maximum flow rate of 1900 GPH, this little powerhouse can handle high flow needs with ease .

Its lightweight design (just 6 lbs!) and portable handle make it a breeze to carry and install in tight spaces, like a 7"x7" pit .

While it operates manually without an on/off switch, the durable, corrosion-resistant shell ensures long-lasting performance .

Just remember, you can only use it with clean water, but trust us, its efficiency is worth it!

Be sure to also check out the best tankless water heater descaler for more options! Also, here is the price history so you know exactly when to buy!

Price history for FluentPower on Amazon

Best for Compact Design: 6699 Portable Pump

1/6HP Portable Utility Pump Submersible Small Backup Sump Pump Draining pump to Remove Water from Flooding House Basement Pool Tankless Heater Flushing Pump with 10-Foot Cord SUB 1100
GoodNot So Good
Powerful 1/6 HP motorNot for dirty water
Quiet operationRequires priming
Easy installation with adaptersNo on/off switch

We’re excited to introduce this compact and portable utility pump—our pick for the "Best for Compact Design" !

With its 1/6 HP motor, it efficiently removes up to 1100 gallons of clean water per hour, all while operating quietly in the background .

The easy plug-in functionality and included adapters make installation a breeze, ensuring you're ready to drain water in no time .

We especially love how lightweight and small it is, measuring just 5.9 inches across—perfect for any storeroom .

Just keep in mind, it’s not designed for dirty water, so reserve it for those clean-up jobs!

Be sure to also check out the best freestanding ventless gas fireplace for more options! Also, here is the price history so you know exactly when to buy!

Price history for 6699 Portable Pump on Amazon

Superior Pump

Superior Pump 91250 1800GPH Thermoplastic Submersible Utility Pump with 10-Foot Cord, 1/4 HP
GoodNot So Good
High flow rateCord length might be short
Handles solids wellMay require garden hose adapter
Built to lastNot designed for large solids

When it comes to flushing your tankless water heater, the Superior Pump 91250 is a top contender !

With its 1/4 HP strength, this utility pump moves an impressive 1,800 gallons per hour and can lift water up to 25 feet .

Its rugged thermoplastic construction means durability, and a removable suction screen allows it to handle small solids, making maintenance a breeze .

While the 10-foot cord might feel a tad limiting and you'll need a garden hose adapter, we believe the pump’s reliability and impressive performance make it worth every penny .

With a 4.6-star rating from over 36,000 users, it’s clear this little powerhouse is built to last!

Be sure to also check out the best outdoor flooring over concrete slab for more options! Also, here is the price history so you know exactly when to buy!

Price history for Superior Pump on Amazon

Chromex Flush Kit

Chromex Tankless Water Heater Flush Kit with Certified Liquid Descaling Solution and 1/6HP Extra Strength Pump
GoodNot So Good
Easy to useChemical toxicity concerns
Cost-effective maintenanceSolution requires thorough flushing
Wide compatibilityInstructions may be basic

When it comes to maintaining your tankless water heater, we can't recommend the Chromex 6 Piece Flush Kit enough !

This thoughtfully designed kit includes everything needed to keep your water heater running smoothly .

Its citric acid-based descaler solution effortlessly tackles scale deposits, enhancing efficiency and extending lifespan .

We love that it works with a wide variety of brands, making it a super versatile option .

Plus, the included 6-foot hoses make connection a breeze, ensuring you can tackle cleaning in 30 minutes or less !

Just remember to flush thoroughly after use .

Happy heating!

Be sure to also check out the best immersion water heater for bathtub for more options! Also, here is the price history so you know exactly when to buy!

Price history for Chromex Flush Kit on Amazon

Goseoil Tankless Water Heater Kit Pump for Flushing Tankless Water Heater

Tankless Water Heater Flushing Kit Includes 1/2HP Submersible Utility Water Pump,Two 3/4"GHT x 6' Stainless Steel Color Coded Hoses and 3.5Gallon Pail
GoodNot So Good
Easy installationWeak handle design
High flow rateRequires additional descaler
Cost-effective solutionPotential quality control issues

When it comes to flushing your tankless water heater, the Goseoil WP-01 kit stands out as an impressive choice .

With a high-efficiency 1/2HP submersible pump capable of delivering 1500 GPH, it makes the job a breeze .

The 23-foot lift capacity and solids-handling capability mean you can tackle tough jobs effectively, while the color-coded hoses simplify setup and usage .

We appreciate its user-friendly design, including a convenient 3.5-gallon pail .

However, do keep in mind that you'll need a descaler for optimal effectiveness .

Despite some potential quality control concerns, this kit offers a solid, cost-effective solution for home maintenance. 🌊

Be sure to also check out the best transfer pump for water heater for more options! Also, here is the price history so you know exactly when to buy!

Price history for Goseoil Tankless Water Heater Kit on Amazon

6699 Descaling Flush Kit

Tankless Water Heater Descaling Flush Kit Includes Submersible Utility Pump with Adapters 3 Gallons Pail with Bucket Lid Opener and Two 3/4" GHT X 6FT PVC Black Hoses Easy Installation to Clean
GoodNot So Good
Easy to useVinegar not included
Effective flushingMay shut down briefly
Durable componentsLimited visible debris

When it comes to maintaining your tankless water heater, we’ve found that the Tankless Heater Flush Kit really delivers .

This all-in-one solution is incredibly easy to use and connects effortlessly to your heater's isolation valves .

Simply mix one gallon of vinegar with one gallon of water, and you're ready to flush !

The powerful submersible sump pump included in the kit operates quietly and can push water up to 16.5 feet—perfect for those hard-to-reach areas .

While we wish vinegar was included, the durable components and effective flushing process make this kit a top choice for extending your heater's life .

Happy flushing!

Be sure to also check out the best under sink hot water recirculating pump for more options! Also, here is the price history so you know exactly when to buy!

Price history for 6699 Descaling Flush Kit on Amazon

FOTING Pump

FOTING 1/4HP Portable Utility Pump Submersible Small Backup Sump Pump Draining pump to Remove Water from Flooding House Basement Pool Tankless Heater Flushing Pump with 10-Foot Cord SUB 1676
GoodNot So Good
Efficient 1/4 HP motorNot for dirty water
Portable and compact designRequires deeper water for float
User-friendly installationLimited to clean water applications

We’re excited to highlight the FOTING Manual Drain Pump, your new best friend for flushing tankless water heaters !

With a powerful 1/4 HP motor that pumps up to 1676 gallons per hour, quick clean-ups have never been easier .

The compact and portable design makes it a breeze to store in tight spaces .

Plus, it features a removable screen that keeps large debris at bay, ensuring smooth operation .

While it's perfect for clean water tasks, just remember—it's not for dirty jobs .

With its energy-efficient motor and whisper-quiet operation, this pump ticks all the right boxes for convenient, hassle-free maintenance!

Be sure to also check out the best spray paint for stainless steel for more options! Also, here is the price history so you know exactly when to buy!

Price history for FOTING Pump on Amazon

Allied Science Flush Kit Pump for Flushing Tankless Water Heater

Tankless Water Heater Flush Kit with 1/6 HP Extra Strength Submersible Pump
GoodNot So Good
Easy to useNo descaling solution included
Includes all necessary componentsPump may seem underpowered
Sturdy, durable hosesBasic bucket design

We’re excited to share that the Allied Science Tank-less Water Heater Flush Kit is a fantastic choice for those looking to maintain their tankless water heater effectively .

This kit comes complete with a 5-gallon bucket, a 1/6 HP pump, and two durable steel hoses, making it a user-friendly setup .

While it requires your own descaling solution, its citric acid formula ensures a safe and non-corrosive clean for various materials .

Plus, the 6-foot hoses make connecting to heater valves a breeze—most heaters can be cleaned in 30 minutes or less !

With sturdy components and clear instructions, we think this kit is a must-have for any DIY enthusiast or professional.

Be sure to also check out the best heat tape for plastic water pipes for more options! Also, here is the price history so you know exactly when to buy!

Price history for Allied Science Flush Kit on Amazon

Kelaro Flushing Kit

Kelaro Tankless Water Heater Flushing Kit with Flow-Aide Biodegradable Descaler
GoodNot So Good
Easy to usePotential packaging issues
Complete kit includedDescaler may leak
Maintains heater efficiencyLimited to DIY homeowners

When it comes to flushing your tankless water heater, we think the Kelaro Descaling Kit is a standout choice .

This all-in-one package simplifies the process, allowing even DIY homeowners to maintain efficiency in just 45 minutes or less .

With a handy 1/8 HP utility pump and color-coded hoses, setup is a breeze—no plumbing degree required !

The Flow-Aide biodegradable descaler is a thoughtful touch, ensuring a thorough clean while being kind to the environment .

Just be mindful of potential packaging issues and a bit of care with the descaler to avoid leaks .

Overall, this kit is indispensable for keeping your heater running like new!

Be sure to also check out the best porcelain tile polish for more options! Also, here is the price history so you know exactly when to buy!

Price history for Kelaro Flushing Kit on Amazon

Chromex Flush Kit

Chromex Tankless Water Heater Flush Kit with Concentrated Vinegar, Dilutes to 4 Gallons and 1/6HP Extra Strength Pump
GoodNot So Good
Easy to useNo included batteries
Complete kit includedRequires proper disposal
Fast descaling processVinegar can be harsh

When it comes to keeping our tankless water heaters in top shape, we absolutely love the 5 Piece Tankless Water Heater Flush Kit from Chromex .

This user-friendly kit includes everything you need—a 6-gallon bucket, powerful 1/6 HP pump, PVC coated hoses, and even a dash of 20% vinegar for effective descaling .

In just 30 minutes or less, we can have it sparkling clean and ready for action !

It’s compatible with a variety of brands, ensuring we can maintain our heaters efficiently .

Just a heads up, the vinegar can be a bit harsh, so disposal should be done responsibly .

A worthy investment for prolonging your water heater's lifespan! 🌊

Be sure to also check out the best pro lighting transformer for more options! Also, here is the price history so you know exactly when to buy!

Price history for Chromex Flush Kit on Amazon

FluentPower Tankless Water Heater Kit Pump for Flushing Tankless Water Heater

FLUENTPOWER Tankless Water Heater Descaling Flush Kit, Includes 1/4HP Submersible Utility Water Pump with Adapters, 4 Gallon Pail with Bucket Lid Opener, Two 3/4"GHT x 6' Stainless Steel Hoses
GoodNot So Good
Comprehensive kit includedNo filter included
Powerful 1/4 HP pumpRequires additional vinegar
Easy to useInitial valve adjustments needed

When it comes to descaling your tankless water heater, the FluentPower Tankless Water Heating Descaler Kit is our top pick !

This all-in-one package includes everything: a sturdy 1/4 HP submersible pump, two stainless steel hoses, and a convenient 4-gallon bucket, making your DIY experience a breeze .

With a maximum flow rate of 1900 GPH and a lift capacity of 23 feet, this powerful little unit handles the job with exceptional ease .

Plus, you can clean and descale in just 30 minutes! While it doesn’t come with a filter or descaling vinegar, the instructions are clear, and customer service is readily available .

Enjoy a cleaner, more efficient water heater today!

Be sure to also check out the best pump for 10ft intex pool for more options! Also, here is the price history so you know exactly when to buy!

Price history for FluentPower Tankless Water Heater Kit on Amazon

SafeTech Flushing Kit

Tankless Water Heater Flushing Kit with 5-Gallon Screw-Top Lid, Premium Braided Hoses, 1/6 HP Utility Pump, 4 Quarts Descaler, and Pump Grate
GoodNot So Good
Includes eco-friendly descalerNo battery operation
Reliable water circulationLimited compatibility
Durable braided hosesManual setup required

When it comes to flushing your tankless water heater, the SafeTech Flushing Kit stands out as a top pick !

With its 1/6 HP utility pump, you can expect reliable water circulation without the worry of overheating, thanks to the thermal overload protection .

The included eco-friendly descaler is a wonderful bonus, effectively dissolving limescale to keep your unit performing at its best .

We appreciate the premium braided hoses that ensure durability and prevent leaks, while the 5-gallon bucket makes for easy storage and transport .

Just remember, this kit requires manual setup and has limited compatibility, but for most brands, it’s a solid choice!

Be sure to also check out the best pen flashlights for more options! Also, here is the price history so you know exactly when to buy!

Price history for SafeTech Flushing Kit on Amazon

QwikDescaler

QwikDescaler + Concentrated Descaler Solution, Tankless Water Heater Descaling Solvent for Heat Exchanger, Quickly Dissolves Scale, Lime, Tarnish and Deposits, 1 Gallon
GoodNot So Good
Quickly improves efficiencyColor change unclear
Safe and non-toxicMixed effectiveness reviews
Visual confirmation for usageRequires dedicated equipment

When it comes to maintaining the efficiency of your tankless water heater, QwikDescaler stands out as a top choice. We love how it swiftly flushes flow passages, enhancing performance by targeting mineral buildup, lime, and tarnishing .

Safety is key, and with zero VOCs, this solution is effective yet gentle on the environment .

The visual indicator is a game-changer, turning from red to yellow when more product is needed—no guesswork here !

While there are mixed effectiveness reviews, many users swear by its ability to extend the life of their units and save on energy costs. Trust us; this descaler is worth considering for your maintenance routine!

Be sure to also check out the best indoor fountains for more options! Also, here is the price history so you know exactly when to buy!

Price history for QwikDescaler on Amazon

Rectorseal Calci-Free Pump for Flushing Tankless Water Heater

Rectorseal 68708 1.2-Pound Calci-Free Tankless Water Heater Flush
GoodNot So Good
Fast actingPotential strong odor
Easy applicationRequires care with use
More effective than vinegarExpensive compared to alternatives

When it comes to keeping your tankless water heater in tip-top shape, Calci-Free by RectorSeal is a standout choice .

Designed specifically for easy application, this descaler effectively tackles calcium buildup without the overpowering odor of traditional cleaners .

In just twenty minutes, it restores optimal water flow and pressure, all while being more effective than vinegar .

We appreciate its unique blend of organic and inorganic cleaners, ensuring a thorough clean without the hassle .

While it might be a bit pricier than some alternatives, the results are worth every penny .

For reliable maintenance, Calci-Free truly shines!

Be sure to also check out the best framing tools for more options! Also, here is the price history so you know exactly when to buy!

Price history for Rectorseal Calci-Free on Amazon

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