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Pentair Reverse Osmosis System – Watermart
1024 Reviews
Original price was: $1,017.00.$813.60Current price is: $813.60.
The Pentair 4-Stage Reverse Osmosis System isn’t just a water filter—it’s a water revolution with its advanced 4-stage filtration powerhouse and patented diamond flow technology, achieving up to 99% contaminant removal. The Pentair Reverse Osmosis System is proven to outperform your standard filters in eliminating chlorine, lead, and other harmful pollutants.
Bid farewell to bottled water, save money, and reduce plastic waste by enjoying fresh, filtered, and pure water right from your tap.
- Features a 4-stage filtration process with a traditional tank
- Supplies up to 21 gallons per day (GPD
- NSF/ANSI Standard 42, 53, 58 certified
- Our Best seller System
Guaranteed Safe Checkout
Free shipping
On all orders
100% Risk free
30 days free trial
5 Year Warranty
On all orders
Product Reviews
“Punctual, Polite and Professional.…
“We recently had a reverse osmosis system installed by Watermart. The installer Zia was excellent – arrived on time, worked diligently and clearly explained initial procedures to follow post installation. Happy to have a water filter system installed for our family.“
“So knowledgeable and patient…
“Justin from Watermart came and serviced our reverse osmosis water system. He was so knowledgeable and patient with all our questions. What a pleasure to have someone like Justin come to our home. WaterMart is lucky to have him.”
“I Would Highly Recommend…
“Kamran and Zia were very friendly and answered all of my questions. They came in to do the annual service for my reverse osmosis filter system.
I highly recommend Watermart to anybody that wants high quality drinking water.”
“I Would Highly Recommend…
“Highly recommend WaterMart for reverse osmosis service. Zia was great! He was on time, explained everything to me, and made recommendations for what we needed and would work best for our system. He was also lovely to our cat!
Thanks for your help Zia! Looking forward to seeing you at the next service call.”
“Very Helpful and Knowledgeabl…
“We ordered service to replace water tank for our RO filter system, the old tank got ruptured bladder. The service technician – Justin – came right on time, was very helpful and knowledgeable. Replaced the tank, gave some good advices and recommendation. Would definitely use them again if needed ! Thank you Justin !”
“I Would Highly Recommend!…
“We have had 2 installations through Watermart, each for both a reverse osmosis filter and water softener. Our recent installation was performed by Zia and he was amazing. They came quickly as we just moved, and completed the work with the utmost of courtesy and professionalism. Highly recommend this company!”
Featuring Our New Pentair Reverse Osmosis
Pure Water, Pure Peace of Mind…
Advanced Multi-Stage Filtration Process
The Pentair RO system features an advanced 4-stage filtration method that eliminates up to 99% of the contaminants, including lead, chlorine, and other harmful substances from your tap water.
High Efficiency and Recovery Rates
This system offers a 41.05% recovery rate to minimize water waste while producing the maximum possible output. Furthermore, the state-of-the-art filtration technology ensures top-notch purity, leaving you with pure water ideal for cooking and drinking purposes.
High-Capacity, Consistent Output
The Pentair Reverse Osmosis system is equipped with a substantial capacity that delivers a robust 21 gallons of pure water per day, eliminating waiting around for a refill. The consistent flow rate of our system allows you to enjoy fresh, filtered water for drinking, cooking, gardening, and more.
Core Product Features of the Pentair Reverse Osmosis System
Get Pure Water at the Tap of your Tap…
Pentair’s 4-stage RO system offers:
| Specification | Detail |
| Pressure Range | 40 to 100 psi (2.75–6.89 bar) |
| Temperature Range | 40–100°F (4.4–37.8°C) |
| TDS Limit | <2000 ppm |
| Maximum Hardness | <10 gpg (170 mg/L) |
| Chlorine in Water Supply | <2 ppm |
| pH Limits | 3–11 |
| Overall Dimensions | 14.57″W x 5.46″D x 12.54″H (370mm x 139mm x 319mm) |
| Weight | 8.9 lbs (4.0 kg) |
| Tank Capacity | 3.2 gal (12.1 L) |
| Tank Dimensions | 10.91″DIA x 14.61″H (277mm DIA x 371mm) |
| Tank Air Pressure Empty | 5-7 psi (0.34-0.48 bar) |
| Tank Weight (Full) | 25.50 lb (11.6 kg) |
| Certifications | NSF/ANSI Standard 42, 53, 58 for reducing specific contaminants |
Our Pentair Reverse Osmosis System Ensures Optimal Water Quality
With our Pentair Reverse Osmosis System, you can experience the visible difference in the taste and quality of your tap water, ultimately leading to an improved lifestyle. Our system is proven to remove up to 99% of the contaminants, keeping you and your family in the best of their health.
Improved Taste
It features a specialized post-filter that eliminates any lingering odors or impurities that may affect the taste of your water adversely and leaves you with water that’s not just clean, but incredibly refreshing to taste.
Certified Performance
With recognized certifications, we deliver peace of mind.The Pentair 4-Stage Reverse Osmosis System is rigorously tested and certified by NSF International against NSF/ANSI Standards 42,53, and 58, and is proven to reduce a wide range of harmful contaminants, including arsenic, lead, and cysts. By removing them, you get crystal-clear water and reduced environmental impact.
Low Maintenance Requirements
The Pentair Reverse Osmosis System is incredibly user-friendly and designed with your convenience in mind. With minimal effort, you can enjoy pure water with easy filter access, making replacements a simple task. Our system sends automatic reminders to maintain performance and water quality.
Flexible Installation and Maintenance
Our system is specifically designed for easy, under-sink installation that fits effortlessly into your kitchen with accessible components for easy maintenance.
The automatic flush ensures superior performance and increases the life of your system while the quick and easy filter changes deliver a seamless, tool-free experience.
Compact and Space-Saving Design
The compact and sleek design of our Pentair RO System makes installation easy, under your sink. The space-saving design allows for more space without compromising on performance, delivering pure, fresh water for many years to come.
Contaminants
| Contaminant | Reduction From | Reduction To |
| Arsenic (Pentavalent) | 0.050 mg/L | 0.010 mg/L or less |
| Barium | 10.0 mg/L | 2.0 mg/L |
| Cadmium | 0.03 mg/L | 0.005 mg/L |
| Chromium (Hexavalent) | 0.3 mg/L | 0.1 mg/L |
| Chromium (Trivalent) | 0.3 mg/L | 0.1 mg/L |
| Copper | 3.0 mg/L | 1.3 mg/L |
| Fluoride | 8.0 mg/L | 1.5 mg/L |
| Lead | 0.15 mg/L | 0.010 mg/L |
| Radium 226/228 | 25 pCi/L | 5 pCi/L |
| Selenium | 0.10 mg/L | 0.05 mg/L |
| Total Dissolved Solids (TDS) | Reduces by 96.3% | |
| Turbidity | ≤ 0.5 NTU |
The filter cartridge is tested and certified by NSF international standards against NSF/ANSI standard 42 for material safety requirements only
The filter cartridge is tested and certified by WQA against
NSF/ANSI standard 42 for
material safety requirements only
The filter cartridge is tested and
certified by the Water Quality
Association to WQA/ASPE/ANSI
S-803 for sustainability
Why Choose Watermart?
We Guarantee Pure, Safe Drinking Water.
At Watermart, we believe you deserve the cleanest, healthiest water possible with no contaminants and sediments. Our advanced state-of-the-art system is engineered to deliver superior water quality while reducing plastic waste and saving you tons of money.
30 Years of Expertise
We’ve been at the forefront of water purification technology for over three decades now. Our customer satisfaction speaks of our unwavering dedication to quality and commitment. At Watermart, we believe water is essential to life, and that everyone has a right to get the purest, cleanest water at home that keeps them healthy.
Advanced Certification
We deliver the quality you can always trust.
Our products undergo rigorous quality checks and testing to ensure they adhere to industry standards. We’ve been in the business for over 30 years and are backed by NSF/ANSI that prioritize your health and safety.
Customer Satisfaction
Over 10,000 happy customers trust us…
We’re a trusted name in water treatment solutions that serve thousands of customers every month. Our top-notch quality and phenomenal customer and after-sales services make us the best-selling industry leader in Toronto.
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