Top 5 Tankless Water Heater Flush Kits in 2022 (Reviews and Buyer's Guide)

Have you noticed that there has been a reduction in the flow of hot water in your home? If so, then you should know that this issue may likely be due to the buildup of dust in your heater.

The simple solution to this problem is to flush your tankless water heater. The majority of the manufacturers out there have suggested that flushing the heater a minimum of once a year will ensure that there are no sediment deposits available.

For those with heaters that are supplied with hard water, the chances of having mud formation and rust are very high. Thus, you will need a flush kit.

Bear in mind that the tankless water heater flush kit helps in flushing the unit without any extra maintenance. The flush kit comes with everything needed to clean the unit, such as a bucket, tank, hoses, and even pumps.

Before we delve into the five best tankless water heater flush kits, it is best to have an idea of what the flush kit truly entails.

Tankless Water Heater Flushing Kit?

The first thing to note is that the flush kit is regarded as a piece of unique equipment meant to be used in flushing the tankless water heater. It can be used regardless of the model of your water heater.

This means you can use it for the propane, electric, or even natural gas model. In simpler terms, a flush kit is a tool that one uses for the maintenance of their water heater.

A huge advantage of this tool is that it helps in saving your money because you will not need to spend on the yearly maintenance of the heater. Undoubtedly, this flush kit will assist you in keeping the tankless heater running without any hassles. It is also called as tankless water heater descaling kit.

Note that some vital parts of the flush kit are the hose, the bucket, and, of course, the pump. Although people have asked if they can get the items separately, it is best to purchase the entire flush kit.

While you can get them separately if you want, an issue with following this route is that you will be at risk as everything will not get delivered at the same time if you are ordering online.

The Five Best Tankless Water Heater Flushing Kits

We have made a list of the top tankless water heater descaler kits that are the most effective and well-working. The best flush kits you can purchase for your tankless water heater are:

1. Superior Pump Descaler Kit 91660

 4.9/5

If there is one flush kit that you will not regret buying when faced with the problem of cleaning and descaling your tankless water heater, it is the Superior Pump 91660 kit. As its name implies, it is a highly superior-grade product.

Its construction is fully made of stainless steel, so you have nothing to worry about when it comes to its strength and durability. Aside from serving residential applications, it can also be used commercially.

Furthermore, it comes with a utility pump that is capable of pumping up to 1920 gallons in an hour and for roughly twenty vertical feet. Since it is made with thermoplastic engineering, it is susceptible to corrosion.

Pros

It can descale and clean most heaters out there.
It comes with quality components.
Its split capacitors are controlled electronically.
It cleans the debris from getting into your impeller.
The bucket is easily transported and stored.

Cons

It is quite heavy.

Generally, the Superior Pump 91660 comes with two quality hoses that are six feet long and made out of stainless steel. You will also like its 3/4-inch garden hose thread that can work with almost all heaters out there. It is the best tankless water heater flush kit recommended by editor.

2. The Rectorseal Calci-Free Flush Kit by Kelaro

 4.7/5

If you want to efficiently descale your heater, then the Kelaro Rectorseal flush kit is your best bet. It is highly compatible with every tankless heater, and it is easy to connect with the isolation valves.

One thing you will get out of this flush kit is the full package of tools that will assist you in maintaining your heater. It can clean your heater within thirty minutes. Furthermore, it comes with a very efficient pump, 6 foot hoses, a manual, a Calci-Free flush cleaner, and a 3.5-gallon capacity bucket.

It provides a cleaning solution that offers toxicity-free descaling and is safe for your potable water. You can even make use of it in your bathroom. When you make use of this kit annually, you can save money as its sedimentation and scale will never stop your water, nor will it use up energy. It’s the highly rated tankless water heater flush kit that’s available and loved by thousands of users.

Pros

It is available at an affordable cost.
It is very fast at cleaning and descaling.
It is good for potable hot water.
It is highly durable and strong.
The tools that come with it are made of quite high-quality materials.

Cons

Its motor’s power needs to be increased.

As mentioned earlier, this kit is swift in efficiently eliminating scaling and is great for a vast range of tankless water heaters.

3. The Hercules 35235 Haymaker Descaler Kit

 4.6/5

If you need tankless water heater flush kit that will boost the performance and life of your device, then the Hercules 35235 Haymaker is a good choice. This kit comes with a 3- to 5-gallon bucket, one quart of cleaning ablution, and a pump.

The instructions for this kit are easy to follow, and it comes with a limited warranty. Each of the pieces of equipment you will find is made with quality materials, and it is simple to hook up this system.

It has been designed to eliminate rust, scale, and any other deposits while maintaining the performance of your unit. This is a solution that swiftly works and simply dissolves any inorganic ingredients that are blocking flow and pressure.

Note that it has a citric-acid-based solution that is made up of a solvent-free formula. This means that it is compatible with metals, rubber, and other substances. Its solution is hard on rust, sulfates, and scales. Interestingly, it is non-corrosive.

Pros

It is worth the amount it costs.
It comes with a superior pump.
The equipment is made of quality materials.
The directions and chemicals are simply perfect.
It functions exactly as we have described it.

Cons

It is quite expensive.
You may need a second washer as users have complained that the hoses do not work sometimes.

In all, the pump is capable of handling roughly 550 gallons within an hour. If used regularly, this kit will improve the life of your machine.

4. Whitlam Flow32 Flush Kit from My PlumbingStuff

 4.7/5

The first thing to bear in mind about the PlumbingStuff Whitlam Flow32 kit is that its descaling power cannot be matched. It will improve the quality of your water and make use of non-hazardous tools.

Its most popular feature is the flow-aide system. The flow aide system of this kit is fully based on a very high-level innovation known as the J.C. Whitlam Flow32. The materials are eco-friendly and free from corrosiveness, toxicity, and even hazardousness.

Furthermore, the descaler is designed with bio-degradable materials. It is ideal to have this kit in your home as it comes with diverse penetrative agents that will eliminate all debris and dirt, then open up the pores to make sure you get the swiftest water flow.

With this tankless water heater flush kit, you will not need to purchase any extra tools. The tools are user-friendly and the manual can be followed easily as you will not need the help of any plumber.

Pros

It has a solid pump.
You will find the full descaling solution.
The bucket is large.
The motor type is highly efficient.
It can be stored easily.

Cons

The durability of its hose needs to be improved.

You will love all that it has to offer as an affordable kit. Its operation is quite practical and highly efficient.

5. The Kelaro Flushing Kit

 4.7/5

One vital fact to note about the Kelaro vinegar descaler is that it needs up to about two to three gallons of white vinegar to function effectively. Although it does not come with vinegar,

Nevertheless, it comes with color-coded hoses of roughly 6 feet and a 1/8 HP utility pump. If you take care of this flush kit properly, it can last you more than twenty years, meaning that it is highly durable.

It has been specially designed to assist users in keeping their devices well maintained without any serious hassle. Everything you need to clean your unit is included, and there are instructions available that you can follow.

It is easy to use as you only need to connect the hoses to the isolation valves of your appliance. Then, you are to add vinegar. You can either flush the heater on your own or ask for expert services.

Pros

The pump functions effectively.
Its directions are simple to understand.
The use of vinegar will help in softening the metal and every other deposit swiftly.
You can make use of this flush kit for every type of heating system.
Its bucket lid is easy to open and flexible.

Cons

It is devoid of descaling liquid.

Generally, it takes roughly forty-five minutes to fully clean your heater. And, when you are done descaling, you must wash the hoses.

Things To Consider Before Purchasing A Tankless Water Heater Flush Kit

For those with tankless water heaters and who live in regions that experience hard water, you will surely have an idea of how inconvenient it is to have decreased water flow. This is why you will need to buy a good flushing kit.

Now that you have an idea of the best tankless water heater flush kits to buy, there are things you will need to put into consideration before making your big purchase. They are:

The penetrative agents

One of the most critical factors to consider is your kit’s efficiency in eliminating lime and clearing up pores for you to enjoy an increased flow rate of hot water.

You can easily clean the heater from sedimentation, dust, and even mud if you buy a kit that comes with a highly efficient solution for eliminating these entities. When you want to buy the kit, you can check out the composition of its acid solution.

If the flush kit has a solution that comes with powerful penetrating agents, then there is nothing to worry about when it comes to the time length of dissolution. In simpler terms, a strong penetrating agent will have you cleaning the heater within thirty minutes.

A non-toxic and eco-friendly solution

Your flushing kit solution is not meant to be toxic or hazardous. This is highly vital if you are purchasing the kit for the heater in your kitchen. It means you make use of the tankless heater for your potable water.

Hence, having the wrong flush kit that has toxic materials will lead to bad results. And, even if your tankless heater is in the bathroom, it will need to be cleaned with solutions that are environmentally friendly and non-toxic.

The reason for this is that if they get to contaminate your water and you use the water on your skin, your health will be heavily compromised. Do not assume that the most powerful formulas will achieve the swiftest cleaning.

Instead, have it in mind that these formulas will leave harmful residues behind. Ideally, you make a prudent choice when it comes to the solution in your kit.

The descaler and pump

Aside from the solution type, it is ideal that you put the pump and descaler into consideration before you get a kit. If the area you reside in has problems with hardness, it means that your heater accumulates a huge amount of lime.

More so, it will get your pores clogged and affect the general functioning of your heater. Liming will make you waste money, and the heater will make use of the same amount of energy to heat your water.

For this reason, you should get a flushing kit that has advanced descalers. It should be capable of adequately eliminating sedimentation and lime. A kit like the Whitlam Flow32 will assist in deliming your unit within some minutes.

Furthermore, your kit should have strong pumps. If your pumping system is not good enough, it will frustrate the final process of cleaning up. It is better that you check the specifications and pump power before you buy a kit.

Furthermore, you should determine whether the valves and connections are functional for you; otherwise, your time will be wasted on purchasing various tools and connections.

The tools

Before you buy a flushing kit, you should put the tools into consideration. Here, you will need to consider the ease with which you can use the tools to carry out the entire cleaning process.

It is advisable to buy a tankless water heater flush kit that has manual instructions that are clear and simple to follow. If you buy a kit that is complicated to use and has substandard tools, you will not achieve anything.

Conclusion

On a general note, it is ideal that you invest your money in the most effective flushing kit that you can find on the market. Make sure you purchase a quality kit that will not affect the quality of your water.

We have successfully provided you with some of the finest tankless water heater flush kits in the USA. At this point, you must choose the most suitable flushing kit from the list provided.

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