HQUA

HQUA WF3-01 3-Stage Whole House Water Filtration System Reduces Heavy Metals Lead Mercury Copper Nickel Chromium Chloramine Sediment

1875+ bought in the past month

$349.99$599.50

About this item

  • Improve water taste. Sediment Filter and Carbon Block Filter Included. Reduce dirt, rust, sand, silt, and other suspended solids in the water. Treat bad odor, colored or cloudy water.
  • Remove Heavy Metals. Compound GAC+KDF Filter Included. Ensure drinking water safety, protect your skin and hair. Reduce lead, mercury, cooper, nickel, chromium, chloramine, and other chemicals.
  • Specifications: 1” FNPT inlet/outlet, 3 Big Blue 20”×5.5” Filters, Bracket-mounted, No flow direction specified, Flow Rate: 3-15 GPM, Operating Pressure: 25-116 PSI.
  • Deluxe Accessories: 1. Multiple pressure gauges included, help you check filter clogging and plan replacement intervals.
  • Deluxe Accessories: 2. Multiple timers included, 180 days countdown, inform you the remaining working days of the cartridge.
  • Deluxe Accessories: 3. Pressure relief valves and drain valves assembled on the filters. Simplify maintenance process.
  • Deluxe Accessories: 4. Long Housing Brush included, help you scrub, clean the inside of the filter housing when maintain the cartridge.
  • Deluxe Accessories: 5. Different pipe fittings included, With the help of these, the inlet/outlet could change into 3/4” NPT or 1” NPT inlet/outlet.
  • Deluxe Accessories: 6. Maintenance Card included, help you record and schedule the maintenance. Record the starting pressure of each filter when a new cartridge is changed.
$349.99
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Delivery15 Apr – 21 Apr
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Product details

BrandHQUA
Special FeatureHeavy Duty
Product Dimensions22"L x 9.5"W x 28"H
MaterialAcrylonitrile Butadiene Styrene
Capacity100000 Gallons
Included Components3 Big Blue filters, Sediment Filter, Compound Carbon Block Multiple pressure gauges, timers, Pressure relief valves and drain valves, Long Housing Brush, Different pipe fittings, Maintenance Card See more
Package InformationBottle
Installation TypeUnder Sink
Purification MethodCarbon Block, Ion Exchange
Power SourceManual/No Power Source

Technical specifications

brandHQUA
special_featureHeavy Duty
product_dimensions22"L x 9.5"W x 28"H
package_informationBottle
installation_typeUnder Sink
power_sourceManual/No Power Source
item_weight44 pounds
model_nameWF3-01
lower_temperature_rating40 Degrees Fahrenheit
maximum_flow_rate15 Gallons Per Minute
operating_pressure_range25-116 Pounds per Cubic Inch
upper_temperature_rating125 Degrees Fahrenheit
supported_water_tds_level_maximum_ppm500
manufacturerHQUA
manufacture_year2024
item_model_numberPro
date_first_availableMay 19, 2024
best_sellers_rank#13,962 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1 in Whole House Water Treatment Systems #1,426 in Kitchen & Bath Fixtures

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Customer reviews

4.6129 ratings

Customers say

Customers find this water filtration system to be of good quality, with noticeable improvements in water quality and a pleasant taste.

★★★★★

Very High-Quality Whole House Filtration System

TheRadil’sSeptember 19, 2024✓ Verified purchase

I've tried several different whole house water filter systems and this is by far my favorite. To keep this short I'll give you a quick overview. A lot of these systems leak it's one of the most common problems. The weak point is the connection ports. To fix that problem on this system they use brass threads which is strong and prevents cracks and leaks. The second common problem is reduced flow rates over time. This system can flow up to 15 GPM which is higher than most. This allows for the system over time to keep filtering and not have a noticeable reduction in pressure or flow. That also saves money in filter changes. My water quality with this system and paired with the HQUA UV filter is incredible! No smells, bad tastes or anything floating in the water. After having a water test I've removed all the problems and now my water is in spec with state guidelines. The best part is it tastes great and I know my family is safe drinking it. Features: High Flow Quality Filters: The most important thing is obviously the filters. This system uses a Sediment Filter which strips solids before they get to the second filter. The second filter GAC + KDF removes heavy metals which are common in well water and city water. The third filter will clean up odor's, color and the big one chlorine found in almost all city water sources. Oil Filled Pressure Gauges for each filter: These are industrial quality gauges that allow you to monitor the pressures coming out of each filter. This will tell you if you have a loss in pressure and which filter needs replacing. They thought about everything and even prewrapped the threads with Teflon tape. Filter Drains: Each filter housing has a drain at the bottom that allows you to drain sediment that can prematurely clog your filters up. You can also purge the filters under pressure to clean them off which gets you a longer filter life. Red Purge Buttons: Each filter has a red air purge button at the top to blead off air in the system. Reversable In/out flow: This system allows you to change the in/out location to make installation easier depending on your current plumbing. Extra Gaskets: The system comes with extra gaskets and even includes the silicone lubricant to save you money. Fittings: They include 3/4" and 1" fittings for installation so you save money again on the parts. Cleaning Brush and Wrench: This is the only kit I've seen that includes a cleaning brush for the filter housings. You also get the wrench to remove the heavy duty filter housings. Instruction Manual: Large Print, Easy to Follow, Pictures, Trouble Shooting. It's all included in the instructions I was impressed with the attention they put into this to make it easy to understand and install this system. Customer Service: Here is one thing you may not know you need until you need it. I've reached out to customer service and had an answer in less than 24 hours. HQUA stands behind their products and wants you to be happy. This is my second filter from them. Read more

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★★★★★

Excellent Quality Whole Home Water Filtration

PonkowJanuary 2, 2026✓ Verified purchase

The media could not be loaded. This is a big system. Make sure you measure where you're going to position it. The bracket for system is heavy and heavy-duty. We liked the fact that you can stop the water going to a particular filter for changing. Each filter has a drain, making changing filters easier because you're not fighting with water. It has gauges which makes it easy to see if one or all of the filters need to be changed. It's also nice that they included a cleaning brush for cleaning the housing. The appearance is really clean and the color is exactly as pictured. There is no smell and the functionality is fantastic. If you're looking for whole home filtration system this is one to consider. We did initially have some leaks, but when we lessened the plumbers' tape on the threads, it solved the issue. We have high water pressure, around 100 psi, so that can also make a difference. Highly Recommend. Read more

★★★★★

Excellent Filtration System and Outstanding Customer Service!

LilianOctober 6, 2025✓ Verified purchase

I couldn’t be happier with the HQUA WF3-01 3-Stage Whole House Water Filtration System! Installation was straightforward, and the difference in water quality was noticeable almost immediately. Our water now tastes cleaner, looks clearer, and even feels softer when washing dishes or showering. The system feels very solid and well-built. What really sets HQUA apart, though, is their customer service. They go above and beyond! When I had a small question about installation/leaking, their team responded quickly, sent a replacement, and even followed up afterward to make sure everything was working properly. It’s rare to find that level of care these days. Overall, I highly recommend this system to anyone looking for a reliable, high-quality whole house water filtration system backed by a company that truly stands behind its product. Excellent product, excellent support, 100% worth it! Read more

★★★★★

Price and very easy to assemble

Susan / GeraldSeptember 5, 2025✓ Verified purchase

This is one of the best water filters that I have used in my past years easy assembly. The water is perfect and you can put it inside or outside. You will get clean crisp water from the tap no smell, no taste and ice cubes a much clearer. You won’t be sorry this system has 3 filters three of them you get Three filters 20 inches tall 5 inches around and delivers awesome water. I would recommend this whole house, water filtration system or anyone that’s looking for totally clean water for the whole family. Thank you Mr T Thank you. Read more

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