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Expert Reverse Osmosis Installation and Services in Phoenix, Arizona

20+ Years of Experience

Family-Owned Business

Industry Leading Warranties

NSF/ANSI Tested and Certified Components

Licensed, Bonded, and Insured

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Discover the Benefits

Enhanced Taste and Odor

RO systems can significantly enhance the taste, odor, quality, and clarity of your water. By eliminating impurities and other chemicals, the water produced by an RO system often tastes and smells better than tap water.

Cost Savings

An under-the-sink RO system eliminates the need for bottled water, saving you money over time and reducing plastic waste, which is better for the environment. With an RO system, you can have a continuous supply of purified water at a fraction of the cost of bottled water.

Contaminant Removal

Reverse osmosis is considered one of the most reliable methods of water filtration, providing you with pure, safe drinking water directly from your tap. They are highly effective in removing a wide range of contaminants from water, including dissolved solids, bacteria, viruses, heavy metals, chemicals, and other impurities.

Industry Leading Warranty

Industry-leading warranty on parts ensures quality and reliability, and each RO system includes leak detection and automatic shut-off for added peace of mind.

Reverse Osmosis Systems

Pro Series 5 Stage 75 GPD High Efficiency

Our Pro Series High Efficiency Reverse Osmosis System is a 1:1 Reverse Osmosis System, which means it will help you save up to 75% of waste water, which makes this system incredibly environmentally friendly.

 

Typically, reverse osmosis works off of a 4:1 ratio principle, for every 1 gallon of product water you will have up 4 gallons going to the drain.  This system is the most economically effective RO system on the market, with a 1:1 ratio membrane that uses 75% less waste water.

MOST POPULAR

Pro Series 5 Stage 75GPD High Efficiency - $625

Standard under sink installation is included,  drilling a faucet hole is additional $100.00

​Filtration Process

Filter Stage 1 - 5 Micron Sediment Filter - Reduces Dirt, Sand and Rust

Filter Stage 2 - 10 Micron Carbon Block Filter - Reduces Chlorine,

Objectionable Tastes and Odor.

Filter Stage 3 - 10 Micron Carbon Block Filter - Reduces Chlorine,

Objectionable Tastes and Odor.

Filter Stage 4 - 75 GPD (gallons per day) High Efficiency Membrane

Filter Stage 5 - Carbon Post filter, to enhance the water’s taste.

Specifications

Dimensions: 15”W x 6”D x 18.5”H

Tank: 11″ dia. x 15.5″H

Maintenance

Filter Rating – 12 Month

Membrane Rating – 2 to 3 Years

Warranty

Parts 5 Year

Labor 1 Year

Labor Warranty Extended to 5 Years if CWS does yearly filter service

Pro Series 6 Stage 75 GPD High Efficiency

Our ProSeries 6 Stage High Efficiency Reverse Osmosis System is a 1:1 Reverse Osmosis System, which means it will help you save up to 75% of waste water, which makes this system incredibly environmentally friendly.

 

Alkaline Mineral Filter - Re-mineralization of water and boosts pH 1.0 to 2.0

ALKALINE ProSeries 6 Stage 75GPD High Efficiency - $685

ALKALINE + UV ProSeries 7 Stage 75GPD High Efficiency - $785

Standard under sink installation is included,  drilling a faucet hole is additional $100.00

​Filtration Process

Filter Stage 1 - 5 Micron Sediment Filter - Reduces Dirt, Sand and Rust

Filter Stage 2 - 10 Micron Carbon Block Filter - Reduces Chlorine,

Objectionable Tastes and Odor.

Filter Stage 3 - 10 Micron Carbon Block Filter - Reduces Chlorine,

Objectionable Tastes and Odor.

Filter Stage 4 - 75 GPD (gallons per day) High Efficiency Membrane

Filter Stage 5 - Carbon Post filter, to enhance the water’s taste.

Filter Stage 6 - Re-mineralization of water and boosts pH 1.0 to 2.0

Specifications

Dimensions: 15”W x 6”D x 18.5”H

Tank: 11″ dia. x 15.5″H

Maintenance

Filter Rating – 12 Month

Membrane Rating – 2 to 3 Years

Warranty

Parts 5 Year

Labor 1 Year

Labor Warranty Extended to 5 Years if CWS does yearly filter service

T-400 Tankless 5 Stage with UV

This Upgraded 5-Stage Tankless RO+UV Water Filtration System delivers ultra-pure water with nearly zero TDS (Total Dissolved Solids) and a high 400 GPD (gallons per day) capacity. With a 1.5:1 low pure-to-drain ratio, it reduces wastewater significantly compared to standard systems. Its tankless, space-saving design keeps your kitchen organized while the advanced RO+UV filtration ensures each drop is free from contaminants, providing safe and delicious water straight from your tap.

T-400 Tankless 5 Stage with
UV -
$625

Standard under sink installation is included,  drilling a faucet hole is additional $100.00

​Filtration Process

Filter Stage 1 - 5 Micron Sediment Filter - Reduces Dirt, Sand and Rust

Filter Stage 2 - 10 Micron Carbon Block Filter - Reduces Chlorine,

Objectionable Tastes and Odor.

Filter Stage 3 - 10 Micron Carbon Block Filter - Reduces Chlorine,

Objectionable Tastes and Odor.

Filter Stage 4 - 400 GPD (gallons per day) High Efficiency Membrane

Filter Stage 5 - Ultra Violet (UV) disinfection for 99.9% virus & bacteria removal

Specifications

Dimensions: 15.6"L x 5.2"W x 15.9"H

Tank: Tankless

Maintenance

Filter Rating – 6-12 Month

Membrane Rating – 1 to 2 Years

UV - 1 Year

Warranty

Parts 5 Year

Labor 1 Year

Labor Warranty Extended to 5 Years if CWS does yearly filter service

Isotwist 5 Stage Standard 50 GPD Water Quality Platinum Seal Certified

This model makes up to 50 gallons a day of great tasting water while taking up less space than most other 4 and 5-stage models. The easy twist-off disposable filter cartridges and RO membrane assembly are designed to make installation and replacement quick, easy and sanitary. These sturdy and reliable US made systems are IAPMO Platinum Seal certified to significantly reduce 13 contaminants to NSF/ANSI 58 Certified Reduced Contaminants: Arsenic, Barium, Cadmium, Chromium III & VI, Copper, Fluoride, Lead, Radium 226 & 228, Selenium, TDS, Turbidity.

 

Water Quality Platinum Seal Certified - tested for structural integrity, chemical extraction and reduction of contaminants

Isotwist 5 Stage Standard 50GPD Water Quality Platinum Seal Certified - $525

Isotwist 5 Stage High Efficiency 50GPD - $625

Standard under sink installation is included,  drilling a faucet hole is additional $100.00

​Filtration Process

Filter Stage 1 - 5 Micron Sediment Filter - Reduces Dirt, Sand and Rust

Filter Stage 2 - 10 Micron Carbon Block Filter - Reduces Chlorine,

Objectionable Tastes and Odor.

Filter Stage 3 - 10 Micron Carbon Block Filter - Reduces Chlorine,

Objectionable Tastes and Odor.

Filter Stage 4 - 50 GPD (gallons per day) Membrane

Filter Stage 5 - Carbon Post filter, to enhance the water’s taste.​

Specifications

Dimension: 14”W x 6”D x 15.5”H
Tank: 11″ dia. x 15.5″H

Maintenance

Filter Rating – 12 Month

Membrane Rating – 2 to 3 Years

Warranty

Parts 5 Year

Labor 1 Year

Labor Warranty Extended to 5 Years if CWS does yearly filter service

DROP Reverse Osmosis System

This simple system fits right under your sink and gives you crystal-clear, great-tasting water.
The DROP Reverse Osmosis System does this by reducing contaminants including chlorine, lead, pesticides, fluoride, pharmaceuticals, arsenic, and bacteria. Additionally, it eliminates the amount of sediment in your water. The DROP Reverse Osmosis System will give you water with improved taste, odor, and appearance.

Key Features

  • Quick Change Filters & Reverse Osmosis Membrane

  • Built-in Leak Protection

  • TDS Monitoring of Feed & Product Water

  • Text, Email & Push Notifications for Filter Changeouts

  • Atmospheric Storage – No Backpressure On Membrane for faster RO water production

  • Built in Feed & Delivery Pumps for Optimal Pressure

  • WiFi Connectivity Through DROP Hub

  • ​888 Brush Nickel Faucet with Light Indicator Included 

  • Other faucet styles available with Booster Pump Required ($193.55)

DROP Reverse Osmosis System without Hub - $1,206.32

DROP Reverse Osmosis System with Hub - $1,457.59

​Filtration Process

RO-RO: Removes small molecular organic matter, colloids, microorganisms

RO-CAP: Removes odor to improve the taste of drinking water.

RO-PAC: Removes dirt corrosion, sand, chlorine and other suspended solids.

RO-MPC (optional): Cartridge boosts the pH and adds beneficial minerals magnesium and calcium to the drinking water.

Specifications

Depth: 15 in

Width: 8.5 in

Height: 14.5 in

Maintenance

Filter Rating – 12 Month

Membrane Rating – 2 to 3 Years

Warranty

Parts 5 Year

Labor 1 Year

Labor Warranty Extended to 5 Years if CWS does yearly filter service

Standard under sink installation is included,  drilling a faucet hole is additional $100.00

Twist & LOC 75GPD 4 Stage

4-Stage 75 GPD NRO Quick Change Twist & Loc RO System features quick change twist & lock cartridges. The Quick Change Twist & Loc cartridge is disengaged and removed with only a quarter twist of the wrist without shutting off the water. Cartridges can even be changed when the customers home’s water system is operating under full pressure.

Twist & LOC 75 GPD 4 Stage RO
System -
$525

Standard under sink installation is included,  drilling a faucet hole is additional $100.00

​Filtration Process

Filter Stage 1 - 5 Micron Sediment Filter - Reduces Dirt, Sand and Rust

Filter Stage 2 - 10 Micron Carbon Block Filter - Reduces Chlorine,

Objectionable Tastes and Odor.

Filter Stage 3 - 75 GPD (gallons per day) Membrane

Filter Stage 4 - Carbon Post filter, to enhance the water’s taste.

Specifications

Call for more details

Maintenance

Filter Rating – 2500 Gallons (6 to 12 Months)

Membrane Rating – 2 Years

Warranty

Parts 5 Year

Labor 1 Year

Labor Warranty Extended to 5 Years if CWS does yearly filter service

Faucet Selection

Standard under sink installation is included,  drilling a faucet hole is additional $100.00

103 Style Faucet

103 Style Faucet

103 Chrome – Default Included Option

103 Brush Nickel - Optional 

888 Style Faucet - $85

888 Style Faucet

888 Chrome

888 Brush Nickel

888 Antique Bronze

888 Matte Black

703 Style Faucet - $85

703 Style Faucet

603 Chrome

603 Brush Nickel

603 White

603 Antique Bronze

603 Oil Rubbed Bronze

905 Style Faucet - $75

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905 Chrome

905 Brush Nickel

905 Black

905 White

905 Antique Bronze

905 Oil Rubbed Bronze

905 Matte Black

603 Style Faucet - $75

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603 Chrome

603 Brush Nickel

603 White

603 Antique Bronze

603 Oil Rubbed Bronze

Faucet Finishes

What Our Clients Say About Their Water Transformation

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Why Us?

Family-owned with over 20 years of experience, Complete Water Systems is Arizona’s trusted provider of water filtration, plumbing, and service solutions. We are committed to delivering high-quality, innovative solutions with integrity and professionalism. Whether you need home filtration, plumbing services, or expert advice, our dedicated team ensures your water is clean, safe, and tailored to your needs. Contact us today to discover how we can help you achieve pure and safe water.

Contact Us

Reverse Osmosis Services

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Filters

1 Sediment Post

2 Carbon Post

1 Carbon Polishing

Brands

Apec, US Water Systems, Express Water, Ultima. Pro Series, ISprings, Watts, Discount Water, and many more.

Start Experiencing the Benefits of Pure Water—Give Us a Call Today

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We've Got You Covered

We proudly serve all of Arizona with expert water filtration and plumbing services. From Phoenix to every corner of the state, we're here to ensure you have clean, safe water whenever you need it.

North Phoenix Area

Anthem

New River

Carefree

Cave Creek

Glendale

Paradise Valley

Peoria

Phoenix

Scottsdale

South Phoenix Area

Avondale

Chandler

Guadalupe

Queen Creek

San Tan Valley

Sun Lakes

Tempe

West Phoenix Area

Buckeye

El Mirage

Goodyear

Litchfield Park

Morristown

Sun City

Sun City West

Surprise

Tolleson

Youngtown

East Phoenix Area

Apache Junction

Fountain Hills

Gilbert

Mesa

Rio Verde

Others with Dispatch Fee

Casa Grande

Dewey-Humboldt

Eloy

Florence

Maricopa

Prescott

Prescott Valley

Sedona

Wickenburg

Gold Canyon

Flagstaff

Payson

Tucson

Coolidge

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