Expert Reverse Osmosis Installation & Service in Phoenix, Arizona
20+ Years of Experience
Family-Owned Business
Industry Leading Warranties
NSF/ANSI Tested and Certified Components
Licensed, Bonded, and Insured
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 to ensuring our quality and reliability, and each RO system includes leak detection and automatic shut-off for added peace of mind.
Our Popular 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 $50.00
Filtration Process
Filter Stage 1 - 5 Micron Sediment Filter - Reduces Dirt, Sand and Rust
Filter Stage 2 - 5 Micron Carbon Block Filter - Reduces Chlorine,
Objectionable Tastes and Odor.
Filter Stage 3 - 5 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 $50.00
Filtration Process
Filter Stage 1 - 5 Micron Sediment Filter - Reduces Dirt, Sand and Rust
Filter Stage 2 - 5 Micron Carbon Block Filter - Reduces Chlorine,
Objectionable Tastes and Odor.
Filter Stage 3 - 5 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 $50.00
Filtration Process
Filter Stage 1 - 5 Micron Sediment Filter - Reduces Dirt, Sand and Rust
Filter Stage 2 - 5 Micron Carbon Block Filter - Reduces Chlorine,
Objectionable Tastes and Odor.
Filter Stage 3 - 5 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 $50.00
Filtration Process
Filter Stage 1 - 5 Micron Sediment Filter - Reduces Dirt, Sand and Rust
Filter Stage 2 - 5 Micron Carbon Block Filter - Reduces Chlorine,
Objectionable Tastes and Odor.
Filter Stage 3 - 5 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
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 $50.00
Filtration Process
Filter Stage 1 - 5 Micron Sediment Filter - Reduces Dirt, Sand and Rust
Filter Stage 2 - 5 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
103 Style Faucet
103 Chrome – Default Included Option
103 Brush Nickel - Optional
888 Style Faucet - $85
888 Chrome
888 Brush Nickel
888 Antique Bronze
888 Matte Black
703 Style Faucet - $85
603 Chrome
603 Brush Nickel
603 White
603 Antique Bronze
603 Oil Rubbed Bronze
905 Style Faucet - $75
905 Chrome
905 Brush Nickel
905 Black
905 White
905 Antique Bronze
905 Oil Rubbed Bronze
905 Matte Black
603 Style Faucet - $75
603 Chrome
603 Brush Nickel
603 White
603 Antique Bronze
603 Oil Rubbed Bronze
Standard under sink installation is included, drilling a faucet hole is additional $50.00
What Our Clients Say About Their Water Transformation
Our Services
Reverse Osmosis System
Listed are just some of the most common services we provide. If you need something not listed on this page please contact our office for a quote.
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Standard Filter Change 10" Housings (1 Sediment Post 2 Carbon Post 1 Carbon Polishing) (Apec, US Water Systems, Express Water, Ultima, Pro Series, ISpring, Watts, Discount Water, and many more
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Isotwist Filter Change (sediment Carbon Block two per GAC )
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Standard 50 GPD Membrane during filter service
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High Efficiency 75 GPD Membrane during filter service
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Standard Holding Tank Replacement
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Sanitize with Filter Service
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Sanitize Only
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Standard 3rd Party Reverse Osmosis Install includes Drilling up to 5/8" faucet hole
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Leak Detection with Auto Shut Off
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
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.
Business Hours
Mon - Fri: 8:00 am - 5:00 pm
Saturday: Closed
Sunday: Closed
After Hours Service
By Appointment Only
Regular Service Hours
Mon - Fri: 8:00 am - 5:00 pm
Serving All of Arizona (trip charge may apply for select locations)
Offering Sales – Service – Maintenance – Parts – Filters
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