Best Water Filter For Pex Pipes: 5 Ultimate Suggestions!
Most houses in our region have PEX Pipe plumbing systems including mine. So, just like you, me and my neighbors also have to think a lot about what water filter we should choose that will be most suitable for this system. And finally, we could decide on several brands.
So, what is the best water filter for PEX pipes?
The best overall water filter for PEX pipes is the Aquasana Whole House Filter. If you are looking for the best budget-friendly water filter, iSpring is the one. For the best value for your money, check out the 3M Aqua-Pure Water Filter. If you want a low-maintenance filter, Whirlpool will be the best. And finally, for durability, choose Filtersmart.
To find out a detailed discussion on these filters, keep reading!
Top 5 Best Water Filters For PEX Pipes!
Before going into a detailed discussion of these water filters for PEX pipes including the specs, pros, and cons, let’s take a quick look at them. This table will show which filter will be the best in what aspect.
| Water Filter | Peak Flow Rate | Remark |
| Aquasana Whole House Filter EQ-WELL-UV-PRO-AST | 14.7 GPM | Best Overall Water Filter |
| iSpring Whole House Water Filter WGB32BM | 15 GPM | Best Budget-friendly Water Filter for PEX Pipes |
| 3M Aqua-Pure Water Filter AP917HD-S | 20 GPM | Best Value for Money |
| Whirlpool WHELJ1 Central Water Filtration | 6 GPM | Best Low-Maintenance Water Filter For PEX Pipes |
| Filtersmart Whole House Water Filter FS1000 | 12 GPM | Best Durable Water Filter For PEX Pipes |
Aquasana Whole House Filter EQ-WELL-UV-PRO-AST
Best Overall Water Filter
Specifications
Peak Flow Rate: 14.7 GPM
Filter Capacity: 500,000 gallons
Operating Temperature Range: 40 – 90°F
Max Operating Pressure: 100 psi
Purification Method: Ultraviolet
Type: 3-Stage
Softening Capability: Available
NSF/ANSI- Standard Certification: Yes
Warranty: 5 years
Pros
- A larger filter capacity requires less maintenance
- The ultraviolet purification method effectively removes bacteria.
- Durable filter with a long-time warranty
Cons
- Expensive
- Complex DIY installation
For the first pick, let me introduce the Aquasana Whole House Filter which is considered one of the best water filters for PEX pipes.
One of the most important reasons why I have picked this as the best filter for your PEX pipe is its part materials. The materials of most parts are PEX, so they are very much compatible with your Pex Plumbing system.
With its 14.7 GPM flow rate, Aquasana will consistently have clean and refreshing water from every tap in your home. The flow rate is better than its competitors Whirlpool and Filtersmart.
This filter is designed to handle a whopping 500,000 gallons of water before needing a replacement. So, it is comparatively a low-maintenance option than iSpring and 3M Aqua-Pure.
Also, Aquasana operates effectively in temperatures ranging from 40 to 90°F and can handle a maximum operating pressure of 100 psi. That’s adaptability and durability right there.
Now, the heart of this system is its purification method. It uses ultraviolet (UV) technology, which is a powerhouse when it comes to eliminating harmful bacteria and viruses. This is a crucial feature for ensuring the safety of your water supply.
Another standout feature of this filter is the 3-stage filtration process. It combines carbon, KDF filtration media, UV purification, and Scale Control Media (SCM) salt-free technology.
This combination not only removes a wide range of contaminants like lead, mercury, and chlorine but also ensures that essential minerals in your water are retained.
When you have a PEX Pipe plumbing system in your house, it is important to replace the filters of your water filtration system every month. If replacing the filter is complicated, it can be a huge inconvenience for you. Luckily, the filter change of Aquasana is very easy.
Another reason why I absolutely love this filter is its softening capability unlike its competitors 3M Aqua-Pure and iSpring. The UV protection and softening capability of this filter keep your hair and skin soft. It also protects your faucets and delicate clothes.
Of course, there are a couple of considerations. This filter falls on the expensive side, but as you’re paying for quality and long-term benefits, I think the filter is worth every penny. Additionally, the installation can be complex if you opt for the DIY route, so it is a good idea to have a professional handle it.
iSpring Whole House Water Filter WGB32BM
Best Budget-friendly Water Filter for PEX Pipes
Specifications
Peak Flow Rate: 15 GPM
Filter Capacity: 1,00,000 gallons
Operating Temperature Range: 40 – 100°F
Max Operating Pressure: 80 psi
Purification Method: Chemical Absorption, Mechanical filtration, Ion Exchange
Type: 3-Stage
Softening Capability: Available
NSF/ANSI- Standard Certification: Yes
Warranty: 1 years
Pros
- Easy DIY PEX connection
- Budget-friendly
Cons
- Require separate water softener
- Frequent filter changing is required
Looking for a water filter that you can connect to your Pex Pipe plumbing system on your own? Then the iSpring whole house filter can be an excellent choice. It comes with all the equipment and parts you need to install the filter. And if you have basic plumbing knowledge, you can do the installation on your own.
In addition to the money saved on plumbing costs, the water filter system itself stands out as one of the most cost-effective choices available. It costs way less than its competitors Aquasana and Filtersmart.
iSpring filter system offers a peak flow rate of 15 gallons per minute which is more than its competitors Whirlpool and Filtersmart. As a result, you will get water flowing consistently throughout your home. It can handle a substantial filter capacity of 100,000 gallons, which translates to clean water for a family of four for an entire year.
It operates effectively in a temperature range from 40 to 100°F and maintains a maximum operating pressure of 80 psi. These specifications make it adaptable to various household needs.
What sets this filter apart is its three-stage filtration process. It combines chemical absorption, mechanical filtration, and ion exchange to effectively remove a wide range of contaminants.
This includes sediment, chlorine, rust, bacteria, and more. So, you don’t have to worry about the harmful microorganisms that can grow in your PEX plumbing mixing in your daily use water.
However, this water filter also comes with its downsides. First of all, it doesn’t have an attached water softener with it like Aquasana or Filtersmart. Also, even in regular metal plumbing, the filter needs to be changed every month. So, with PEX Plumbing, you have to do a lot of filter changes with this system.
3M Aqua-Pure Water Filter AP917HD-S
Best Value for Money
Specifications
Peak Flow Rate: 20 GPM
Filter Capacity: 1,00,000 gallons
Type: 3-stage
Operating Temperature Range: 40 – 100°F
Max Operating Pressure: 125 psi
Purification Method: Activated Carbon
Softening Capability: Not Available
NSF/ANSI- Standard Certification: Standard 42 certified (lowest certification)
Warranty: 25 years
Pros
- Budget-friendly
- Long time warranty
- Higher flow rate
Cons
- Not suitable for well water
- Certification isn’t very assuring
- Hard to install with many tools required
If you are looking for a budget-friendly whole house with an excellent flow rate for your PEX pipe plumbing system, the 3M Aqua-Pure offers a compelling choice.
It offers a peak flow rate of 20 gallons per minute. So, you can avoid worrying about the consistency of water flow while showering or doing the dishes. It has the highest flow rate among its competitors including Aquasana and iSpring.
With a generous filter capacity of 100,000 gallons, it’s designed to provide clean water for an extended period. It’s also versatile as it operates efficiently in a temperature range from 40 to 100°F and maintains a maximum operating pressure of 125 psi.
The 3M Aqua-Pure uses a 3-stage filtration process, with activated carbon as its purification method. This filter efficiently reduces particulates down to 5 microns nominal and includes scale inhibition. This means it not only improves the taste and clarity of your water but also helps prevent scale build-up in water heaters and appliances.
One of the features that I love about this filter is the Sanitary Quick Change (SQC) design. This design allows for fast and hassle-free cartridge replacements. You won’t need a filter wrench, making maintenance a breeze.
While this filter system offers numerous benefits, you must consider a few drawbacks. 3M Aqua-pure is not ideal for well water, unlike Aquasana and Whirlpool. It limits its suitability for certain locations.
Additionally, the certification, while present, is at the Standard 42 level, which may not be as comprehensive as its competitors Filtersmart and Aquasana. Also, the installation process can be somewhat challenging. So, you must need a professional plumber.
Whirlpool WHELJ1 Central Water Filtration
Best Low-Maintenance Water Filter For PEX Pipes
Specifications
Peak Flow Rate: 6 GPM
Operating Temperature Range: 40 – 100°F
Max Operating Pressure: 125 psi
Purification Method: Sedimentation
Softening Capability: Not Available
NSF/ANSI- Standard Certification: Yes
Warranty: 1 years
Pros
- No need to change the filter
- Easy to operate
- Easy DIY installation
Cons
- A very low flow rate
- Wastes a lot of water during self-cleaning
The frequency filter replacement in the PEX Pipe plumbing system can be frustrating. So, imagine you have a water filter that doesn’t require changing the filter at all. Here, the Whirlpool Central Filtration comes to the rescue.
It is one of the best choices for your PEX Pipe because you don’t have to change the filter. Whirlpool water filters have a special self-cleaning mechanism. Unlike traditional filters like Aquasana and Filtersmart, the Whirlpool system doesn’t rely on filter changes. Instead, it automatically flushes, cleans, and drains itself every 14 days. So, it spares you both time and money.
Whirlpool whole house filtration system effectively functions in a temperature range of 40 to 100°F and can withstand a maximum operating pressure of 125 psi.
Another feature I absolutely love about this filter is its user-friendly operation design. It’s easier to operate than its competitors Aquasana and 3M Aqua-Pure. Also, its DIY installation kit comes with detailed instructions. As long as you have access to a 110V outlet and a drain, you can get it up and running with ease without any professional help.
However, this amazing filter also has some drawbacks to consider. The system has a relatively lower flow rate of 6 GPM than the competitors. So, it is not ideal for larger families with high water usage.
Additionally, the self-cleaning process, while convenient, does have a significant downside. It consumes about 10 gallons of water with each cleaning cycle. In an era where water conservation is crucial, this can be a bit problematic.
Filtersmart Whole House Water Filter System
Best Durable Water Filter For PEX Pipes
Specifications
Peak Flow Rate: 12 GPM
Filter Capacity: 1,000,000 gallons
Operating Temperature Range: 39 – 120°F
Purification Method: Sedimentation
Type: 4-Stage
Softening Capability: Available
NSF/ANSI- Standard Certification: Yes
Warranty: Lifetime
Pros
- Easy compact installation
- No water pressure drop
- Easy to change filter
- Lifetime warranty
Cons
- Frequent leaking and other problems reported by users
- Relatively less water flow
- The softener is not very durable
Who doesn’t want a water filter with a long-time free service, right? To fulfill this wish of yours, the Filtersmart Water Filter System goes the extra mile.
They provide premium components and a lifetime warranty for tanks and valve heads which provides you peace of mind and the filter a long-term durability.
Filtersmart filter uses natural coconut shell carbon for water filtration. Which provides fresh, mineral-rich water that’s gentle on your skin and hair. Also, It removes a wide range of contaminants, including chlorine, VOCs, SOCs, THMs, pesticides, and herbicides, So, you get a more eco-friendly alternative to bottled water.
Unlike its competitors iSmart, 3M Aqua-pure, and Whirlpool, it comes with an attached softener device.
The Filtersmart system is designed for ease of installation even with the PEX plumbing. Its compact design simplifies placement. Many of my friends use this water filter and I heard no complaints about its pressure drop after installation. Changing the filter is also a straightforward process, which is essential for a water filter with PEX plumbing.
Another great spec of this filter is it boasts a substantial filter capacity of 1,000,000 gallons which is more than all of its competitors mentioned here.
It operates effectively within a temperature range of 39 to 120°F which is also wider than all the competitors including Aquasana and iSmart.
However, you must consider some facts before buying this filter. The system has a relatively lower water flow rate compared to some competitors like 3M Aqua-pure and iSpring.
Some users have reported frequent leaking and other issues, which could be a potential drawback. Another point to note is that the softener component that comes with the filter is not as durable as expected. And this device doesn’t have a lifetime warranty as the main filter system.
Best Water Filter For Pex Pipes Buying Guide
I have given you 5 choices from my and some of my friends’ experiences. But how will you know which one is the best water filter for you? Here are the guidelines that will help you decide the best water filter for Pex Pipe for your home.
Installation
As you are using the water filter with PEX Pipe, the first thing you have to consider is whether the filter is suitable to connect with these plumbing systems or not. Good news for you, all the recommendations I have given above are completely compatible with PEX pipes.
You also have to consider the difficulty of the installation of the filter. Many water filtration systems are suitable for DIY installation, but some high-end models may require a professional setup. If you are okay with spending some money on a professional setup, you can go for the filters with complicated installments.
Filter Capacity
The filter’s capacity is important to consider because it determines how frequently you’ll need to replace it. Filters become ineffective once they reach their capacity.
Finer filter media often require more frequent replacements than coarser ones. Multi-stage systems can extend filter life by starting with larger-micron filtration and progressing to finer filters.
Flow Rate
Be mindful of how a filter impacts your home’s flow rate. The flow rate indicates how much water can pass through the filter at once. If you have a larger family with more water usage, you will need a filter with a higher flow rate, such as 15 to 20 GPM. If you have a smaller family, with less water needs, a filter with a 6 to 12 GPM flow rate should be enough.
Operational Temperature and Pressure Range
Check the water pressure in your home. Most systems require a minimum of 20 PSI to function. Bujt filter with higher efficiency requires at least 40 PSI. If you use a private well, you should ensure that your water supply matches the filter’s minimum rate.
National Sanitation Foundation (NSF) certification
NSF tests and rates filters for safety and performance. This organization ensures that the water filters effectively remove contaminants and meet rigorous standards. An NSF-approved system is a reliable choice for clean water. So, consider buying a filter that has a higher rating from NSF.
Warranty
Some systems offer one-year warranties, while others provide lifetime coverage. Usually, warranties cover manufacturing defects and component failures but exclude installation issues and filter replacements. Be sure to understand the terms of the warranty before purchasing.
FAQs
Is PEX Pipe OK for Drinking Water?
Yes, PEX pipe is safe for drinking water when it operates within specified temperature and pressure ranges. The PEX Pipe plumbing system complies with ASTM F2023 and NSF 61 standards. Which makes it safe to drink water. However, it’s recommended to use a reliable drinking water filter and replace the cartridge regularly.
Is A Whole House Water Filter A Good Idea?
A whole-house water filter is a good idea if you are concerned about the quality of your water supply. A whole-house water filter can remove sediment, chlorine, lead, bacteria, and other harmful contaminants and improve the taste and smell of your water. It also makes water safer to drink and use for cooking and bathing.
How Often Should I Replace A Whole House Water Filter?
As a general rule, you should replace your whole house pre-sediment filter every 3 to 6 months. But for PEX pipes, it is recommended to change every month. You can check the filter and if it has turned dark brown, it is time to replace the pre-sediment filter.
Conclusion
Now you know about the best water filter for PEX pipes. From the 5 amazing filters I have mentioned, you can choose any one according to your preference. I can assure you that you won’t be disappointed.
Also, it is recommended to talk to your local plumber about the sizing of the water filter.
That’s all. Have a great day!
