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10 Best Hot Water Heater Filters And Their Reviews For 2021

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Tim Rhodes

This article covers the 10 best hot water heater filters.

A hot water heater filter treats water before it enters a water heater.

This helps prevent mineral deposits from accumulating on the bottom of the heater and hindering its performance.

In short, the primary purpose of a water heater filter system is to protect your water heater.

It does not filter or soften water, but rather softens or inhibits scale.

Protecting your water benefits you by reducing maintenance costs and providing a consistent hot water supply.

No water heater filter will remove all contaminants, so it’s essential to select the right type for your water.

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10 Best Hot Water Heater Filters Reviewed

Here’s a list of the 10 best hot water heater filters reviewed.

For each item listed below, you’ll find a product description, detailed features and why it works well with water heaters.

1. Express Anti Scale Whole House Water Heater Filter

Express Water WH100SP Anti Scale Whole House Filter – Home Water Filtration System –...

The Express Water Heater Filter can help protect your whole house, health, water heater and appliances by filtering all of your incoming water supply.

This hot water heater filter removes major contaminants from your water supply and provides clean water for the whole house uses.

Protect the entire house from scale and remove algae, silt, sand, sediment, sand, and rust.

Prevent your pipes from building up the scale and other damaging sediments.

Give healthier water to your pets, extend the life of your dishwasher, showerheads, laundry machine, and other appliances, and reduce your energy cost.

The Whole House System is designed to be easy to use and efficient.

A filter is suitable for up to 100,000 gallons or 6-12 months, depending on incoming water quality.

The large 1” connections and long high-efficiency housings are designed for almost no reduction in your home’s water pressure.

This is a durable, heavy-duty whole house system able to deliver up to 0.25 gallons of water every second.

Furthermore, this water heater filter comes fitted with a stainless steel mount which allows for easy installation.

Not only that but it’s designed to be used in a dry level area protected from freezing temperatures and direct sunlight.

The system works with 45-80 psi and water temperatures between 40-100℉ and includes a pressure release button and a pressure gauge for system monitoring.

Express Water’s Polyphosphate Whole House Water Heater Filtration System WH100SP is the ant-scale filtration solution for your whole house and water heaters.

Pros & Benefits:

  • Pressure gauge monitoring
  • Twist off the housing
  • Accessible pressure release button for easy filter removal
  • Monitors your system’s performance to know which filters you need to change and when
  • Whole house water heater filter system
  • Removes heavy concentrations of minerals like calcium and magnesium
  • Excellent scale inhibitor solution

Check Price and Reviews on Amazon


2. KleenWater KW2520SCALEX Tankless Water Heater Filter

Tankless Water Heater Filter, KleenWater KW2520SCALEX Tankless Hot Water Filter System,...

This tankless water heater filter system is designed for pre-filtration for all tankless and traditional hot water tank systems.

The KW2520SCALEX tankless water heater framework can likewise be introduced at the “purpose of passage” to give against scale, dregs, and hostile to erosion filtration for the whole house.

In this way, all pipes parts and water utilizing apparatuses are shielded from both hard water and destructive, corrosive water.

This water heater filter lodging fabricated in Italy and is developed of polyethylene which is viewed as a protected decision by experts in the food and refreshment industry.

The quality of this tankless water heater is adamant and flaunts a 125 psi most extreme working weight and 120-degree max temperature.

Not only that but the framework is planned for cold water applications and is the perfect decision to pre-filter tankless and conventional high temp water tank feed water.

Furthermore, The water heater filter cartridge is made of polypropylene that filters residue to 5 microns.

Be that as it may, the primary element that gives the necessary insurance to tankless water heaters is phosphate fixing.

This tankless water heater filter system will prevent corrosion and scale build-up which helps to avoid costly maintenance calls.

Pros & Benefits:

  • Water filtration system protects water heater from hard water, corrosion, and sediment
  • Installed at the “point of entry” to provide scale and corrosion protection for the household
  • Compatible with many brands like Rinnai, ECO TEMP, Rheem and more
  • Polyphosphate filter prevents scale and reduces the harmful effects of water hardness
  • Tankless water heater system
  • Framework planned for cold water applications

Check Price and Reviews on Amazon


3. 3M Aqua-Pure Whole House Scale Inhibition Inline Water System

3M Aqua-Pure Whole House Scale Inhibition Inline Water System AP430SS, Helps Prevent Scale Build Up...

This water heater filter protects your water heater by using Polyphosphates to inhibit scale build-up in water heaters using standard gas or electric and tankless styles and boilers.

This helps extend the life of water heaters and hot water-using appliances, pipes, and downstream plumbing fixtures such as faucets and showerheads.

This hot water heater filter also maintains efficiency by using a scale inhibitor to prevent scale build-up on heat elements which helps in preserving water heater efficiency.

It’s also easy to change out of the 3M Aqua-Pure AP431 water heater filters.

Simple maintenance makes this one of the most efficient filters for tankless water heaters.

The scale inhibitor is corrosion-resistant because of its build-in quality of 304 stainless steelheads.

Furthermore, the product’s material is corrosion resistant that helps in providing long service life.

Major product specifications, this product has a pressure range of 25 to 125 PSI (862 kPa) and an operating temperature of 40 to 100F (4.4 to 37.8C).

Due to less cost and work efficiency, this product is very productive at this cost if you need a water heater filter for your needs.

Pros & Benefits:

  • Easy installation and high flow rates
  • Corrosion resistance material build in quality
  • Multi-application design
  • Whole house water heater filter system
  • Excellent scale inhibitor system

Check Price and Reviews on Amazon


4. Rusco1-1/2-60 Hot Water Spin-Down Filter System

RUSCO 1-1/2-60 Hot Water Spin-Down Filter System, 1-1/2-60-Inch

This hot water filtration system can operate up to 200 degrees F because of its grade parts.

The Rusco water heater filter is as efficient and powerful as its sediment filters.

This product inlet and outlet is made up of stainless steel which provides strength and reliability for the product.

That builds quality helps this system to become reusable and durable.

And that can make sure the long life of the product.

The Rusco water filtration system uses centrifugal separation technology to help in removing a large amount of sediment from your incoming water supply.

In this system, you can easily see the sediments through their visible cover.

This water heater filter system has a functional flow capacity of up to 25 GPM.

That makes this product more useful and reliable.

Fewer maintenance costs make this the right choice for buyers.

Due to less cost and work efficiency, this product is very productive at this cost if you need a water heater filter for your need.

Pros & Benefits:

  • Water heater filter can operate up to 200 degrees F
  • Stainless steel ring both inlet and outlet
  • The water filtration system comes with centrifugal separation technology
  • Hand tightened cover

Check Price and Reviews on Amazon


5. Pentek 150015 Standard High-Temperature Water Heater Filter - Whole House

Pentair Pentek 150015 High Temperature Filter Housing, 3/4' NPT #10 Standard Water Filter Housing,...

This water heater filter system has standard high-temperature red housing which is suitable for many industrial applications.

Water heater filters expel bothersome particles, synthetic substances, and microorganisms from water by methods for a semi-permeable hindrance, adsorption, or natural procedures.

They are made of thickly stuffed manufactured or standard filaments that trap suspended particles.

Materials that square organisms or adsorb undesirable synthetic compounds or substances that cause a concoction change include corrosive balance.

For generally private, business, and mechanical applications, water heater filters are made as replaceable cartridges that fit inside changeless lodgings.

Filtration frameworks commonly comprise a progression of at least two sorts of water heater filters, each intended to expel various contaminants.

The presentation of water heater filters estimated by the base molecule size is hindered, the level of particles or microorganisms expelled.

Water heater filters are utilized in a wide range of uses including drinking water decontamination, pools, mechanical procedures, and water system.

Pros & Benefits:

  • Filter housing was relatively simple to install
  • Good operating pressure up to 125 psi
  • Maximum temperature of 165 degrees F
  • The initial pressure drop of less than 1 psi at a flow rate of 8 GPM
  • Whole house water heater filter system

Check Price and Reviews on Amazon


6. Kleen Water Hot Water Heater Filter

KleenWater Hot Water Filter, Premier KWHW2510 High Temp Filtration System

The KWHW2510 Premier Water Heater Filter is a high-temperature water heater filter made in Italy with glass-reinforced polyamide.

The build-in quality of this product is terrific for its cost, making it an excellent value.

Furthermore, it’s a heavy-duty high-temperature water heater filter for filtration needs.

This filter has secure cartridge replacement options and other valuable benefits.

This product has a pressure relief valve.

Water with massive mineral substance is viewed as hard.

Private well water just as municipally provided open water can have additional hardness content.

Hard water ordinarily causes stylish challenges.

One such trouble is overcast china and dishware.

The KW2510-sap filter cartridge contains a cation trade sap that will expel the hardness particles yielding delicate and sans spot water.

It’s essential to utilize without phosphate cleansers with delicate water.

Most cleansers today are without phosphate.

Pros & Benefits:

  • Water filtration system that’s easy to operate
  • Cost-efficient maintenance
  • Installation requires only 20 to 25 minutes

Check Price and Reviews on Amazon


7. TUQI Whole House Reusable Sediment Hot Water Heater Filter

TUQI Home Reusable Sediment Water Filter Spin Down Mesh System Hot Water Filter 3/4'

This whole house water heater filter purifies the municipal household water and you’re well water supply.

And keep away from the sediment, rusts, and on the purification system.

This water heater filter prevents the system from dirt and other sediments of water.

The TUQI hot water filter protects your water heater and other water appliances for a long time and removes dirt and sediment to save the machine.

It comes with double stainless steel filter mesh which gives you durability and no need to replace the mesh in the product’s whole lifetime.

Stainless steel protects the body of the product and assure the product is corrosion resistant.

Cleaning this product is quite simple and it requires cleaning once a month by turning on the blowdown valve.

Easy cleaning allows the low maintenance of this water heater filter.

The build-in quality of this product is quite fantastic and pocket friendly to protect your water heater and other appliances.

Pros & Benefits:

  • Simple to clean
  • Build-in material stainless steel
  • Cost-efficient
  • Easy to install
  • Excellent for almost all whole house water heaters
  • Removes heavy minerals like calcium and magnesium

Check Price and Reviews on Amazon


8. iSpring WSP-50SL Reusable Whole House Spin Down Sediment Water Filter Softener, Includes Siliphos...

iSpring WSP-50SL Reusable Whole House Spin Down Sediment Water Filter Softener, Includes Siliphos...

This whole house water heater water filter can filter the family unit municipal water and you’re well water supply.

Furthermore, it avoids residue, rust, and a sanitization framework.

This water boiling water heater filter keeps the framework from the earth and different residue of water.

This filter ensures water machines for the long term and expels soil and silt to spare the apparatus.

Not only that, but this hot water heater filter system is very acceptable for its cost.

The WSP-50 turndown dregs filter is perfect for sifting through course residue bigger than 50 microns.

The tempered steel screen makes the flushing and cleaning process exceptionally basic. This permits the flushing of the contaminants through the base of the filter when the cartridge starts to get stopped up.

This permits the hardened steel channel cartridge to be utilized again and again without waiting to be supplanted.

The 1-inch outlet MNPT fitting gives a most extreme 20 GPM stream rate and the WSP-50 additionally includes 3/4 inch NPT strings on the delta and outlet.

The lodging is produced with FDA endorsed grade materials.

This water heater filter system accompanies a two-fold tempered steel filter mess which gives you sturdiness and no compelling reason to supplant the work in the entire lifetime.

Hardened steels secure the body of the item and guarantee the thing is consumption safe.

This filter has a strong sealing knurled thread, a secure cleaning carrying wiper, durable aviation material container.

Work like this item is very stunning and pocket benevolent to secure your water machines.

Pros & Benefits:

  • Easy to operate
  • Easy to clean
  • Stainless steel material
  • Excellent for whole house water heaters

Check Price and Reviews on Amazon


9.

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This whole house hot water heater filter system cleans the nuclear family municipal water and you’re well water supply.

Moreover, maintain a strategic distance from the buildup, rusts, and sterilization structure.

This water bubbling hot water heater filter keeps the system from the earth and distinctive buildup of water.

In addition, this water heater filter system guarantees water machines for the long haul and removes soil and sediment to save the mechanical assembly.

Solidified prepares makes sure about the body of the thing and assurance the thing is utilization safe.

This water heater filter has reliable fixing knurled string, simple cleaning conveying wiper, and a sturdy avionics material compartment.

External layer: from ultra-exactness artistic in addition to silver at 1200 degrees high-temperature sintering, it can filter muck, rust, dust, and antibacterial pace of 99.99%.

Internal layer: high thickness actuated carbon particles redox trade media, substance control can be free chlorine in faucet water, shading, smell, catching substantial metals, and lessen poisonous synthetic substances.

Straight forward cleaning low license upkeep on this thing.

Due to less cost and work efficiency, this product is very productive at this cost if you need a water heater filter for your need.

Work like this thing is exceptionally staggering and pocket kind to make sure about your water machines.

Pros & Benefits:

  • Compact body
  • Convenient working
  • Easy cleaning process
  • Low maintenance cost
  • Requires clean up once a month
  • Great for whole house water heaters


10. Rusco 34-100-F 34-100-F Rusco 3/4-100-F Polyester Screened Spin-Down Filter

Rusco 34-100-F 34-100-F Rusco 3/4-100-F Polyester Screened Spin-Down Filter System

This Rusco hot water heater filter system is made of high impact polymer resin for maximum strength and durability.

It makes it a good option for the buyer to buy this product at a pocket-friendly price.

The top of the Rusco system is made of Polyvinyl Chloride.

The Rusco sediment filters use centrifugal separation technology to filter sediment from your water supply.

This centrifugal separation technology helps remove dirt and other impurities, meaning this filter protects your water heater and home water appliances.

The top of the Rusco system is made of PVC- The Rusco sediment filters use centrifugal separation technology to filter sediment from water

The Rusco water filtration system has a polyester screen filter.

Because of less expense and work proficiency, this hot water heater filter is hugely gainful at this expense on the off chance that you need a water heater filter for your need.

Pros & Benefits:

  • PVC body
  • Polyester screen
  • Good durability
  • Centrifugal separation technology
  • Also great for whole house water heaters

Check Price and Reviews on Amazon


Do Hot Water Heaters Have Filters?

Most hot water heaters have filters that are used to prevent any type of solution from becoming scale.

Without a water heater filter, dirt and other types of debris can enter the heater, slowly causing damage and reducing performance.

This protects the whole house from getting harmful contaminants in the water and your water heater. Without a filter, expect to replace your water heater in just half the time it normally lasts (eight to ten years).

What Is A Hot Water Heater Filter?

A hot water heater filter helps to filter out water before it enters your hot water heater.

This prevents minerals from gathering at the bottom of the heater and reducing its performance.

Its main purpose is to protect your water heater.

How To Clean A Hot Water Heater Filter

To clean your hot water heater filter, remove the filter from the water heater and use compressed air to help blow out any dust.

If you don’t have compressed air, you can also remove your water heater filter and spray it heavily with water until any dust or other debris is removed.

What Does A Water Heater Filter Out?

Water heater filters help keep minerals from coming out of the solution becoming scale so nothing is filtered out.

If dirt and debris get into the heater, you may want to install a filter at the point of entry to protect the whole house from dust and debris in the water supply.

Water Hardness

Hard water has a ton of minerals like calcium and magnesium that need to come out of the arrangement, particularly in that hot water warmer condition.

At the point when warmed, these minerals come out rapidly and append to the electric warming components.

They stop up the pathways of tankless water heaters and choose the base.

Water heaters and radiators become less proficient because they need to initially warm the scale and rock before they can warm your water gracefully.

An ideal approach to ensure your water warmer is to expel the mineral with a water conditioner, similar to a particle trade water conditioner.

However, on the off chance that all you need to do is ensure your warmer scale inhibitor like the Hydro Blend or scale net are your best protection for your water heater.

The diverse environments and circumstances set different boundary conditions for such hot water filters to operate successfully.

Final Thoughts

There are numerous choices available when it comes to water heater filters and water filtration systems.

Whether you want to buy a hot water heater filter that helps in industrial and housework or some of the cost-efficient homes.

If you have any questions, comments or suggestions when it comes to water heater filters or water heaters in general, let us know in the comments below.

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