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Pentair Reverse Osmosis System – Watermart

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Original price was: $917.00.Current price is: $733.60.

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  1. Features a 4-stage filtration process with a traditional tank
  2. Supplies up to 21 gallons per day (GPD
  3. NSF/ANSI Standard 42, 53, 58 certified
  4. Our Best seller System

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Free shipping

On all orders

100% Risk free

30 days free trial

5 Year Warranty

On all orders

Featuring Our New Pentair Reverse Osmosis 

Pure Water, Pure Peace of Mind…

Pentair Reverse Osmosis
Advanced Multi-Stage Filtration Process

Advanced Multi-Stage Filtration Process

Our Pentair RO system leverages a 4-stage filtration process that excels in removing up to 99% of all contaminants, ensuring your drinking water is exceptionally clean and safe. The robust system architecture ensures long-lasting reliability and superior taste, providing an unrivaled standard in water quality.

High Efficiency and Recovery Rates

High Efficiency and Recovery Rates

The system is designed to be highly efficient, featuring a recovery rate of approximately 41.05%, which is indicative of how much water is converted into drinkable water. It also has a high TDS (Total Dissolved Solids) rejection rate, ensuring that the water produced is of the highest purity.

High-Capacity, Consistent Output

High-Capacity, Consistent Output

Equipped with a substantial capacity, the Pentair Reverse Osmosis system supplies up to 21 gallons per day (GPD), ensuring you have access to purified water whenever you need it. This consistent flow rate eliminates waiting times, enhancing convenience for all your drinking and cooking needs.

Core Product Features of the Pentair Reverse Osmosis System

  • Utilizes a 50 GPD high-efficiency GRO membrane for superior contaminant reduction.
  • Features quick, tool-free click-in cartridge installation for easy maintenance.
  • Designed for easy installation with 3/8” push-fit plumbing connections to accommodate various plumbing systems
  • Includes a built-in check valve for multi-point backflow protection, enhancing system safety.
  • Uses dual technology of sediment and carbon block in one cartridge for effective filtration
  • Reduces the need for bottled water, offering a more sustainable and cost-effective solution.
  • Includes a monitored system that alerts when it is time to change the membrane, ensuring optimal performance
  • Comes with an air gap faucet to prevent cross-contamination, ensuring water purity
SpecificationDetail
Pressure Range40 to 100 psi (2.75–6.89 bar)
Temperature Range40–100°F (4.4–37.8°C)
TDS Limit<2000 ppm
Maximum Hardness<10 gpg (170 mg/L)
Chlorine in Water Supply<2 ppm
pH Limits3–11
Overall Dimensions14.57″W x 5.46″D x 12.54″H (370mm x 139mm x 319mm)
Weight8.9 lbs (4.0 kg)
Tank Capacity3.2 gal (12.1 L)
Tank Dimensions10.91″DIA x 14.61″H (277mm DIA x 371mm)
Tank Air Pressure Empty5-7 psi (0.34-0.48 bar)
Tank Weight (Full)25.50 lb (11.6 kg)
CertificationsNSF/ANSI Standard 42, 53, 58 for reducing specific contaminants

Our Pentair Reverse Osmosis System Ensures Optimal Water Quality

The Pentair Reverse Osmosis system is meticulously engineered to provide the purest drinking water through a user-friendly design. Discover the perfect balance of performance and convenience.

our Pentair Reverse Osmosis Water Quality
Improved Taste

Improved Taste:

Equipped with a sophisticated post-filter, our system refines water flavor by effectively removing any residual odors and impurities. Enjoy the fresh, crisp taste of purified water perfect for drinking and culinary use.

Certified Performance

Certified Performance:

Tested and certified by NSF International against NSF/ANSI Standard 42, 53, 58 for reduction claims of specific substances like arsenic, lead, and cysts, providing assurance of the system’s effectiveness and safety.

Low Maintenance Requirements

Low Maintenance Requirements:

The Pentair system is designed with user-friendly maintenance in mind. Its filters are easy to access and replace, and it includes automatic notifications for filter changes, minimizing upkeep hassle.

Flexible Installation and Maintenance

Flexible Installation and Maintenance:

Designed for under-sink installation with easy maintenance access. The automatic flush feature and simple cartridge replacement system make it user-friendly and convenient for everyday use

Compact and Space-Saving Design

Compact and Space-Saving Design:

Constructed with high-quality materials to ensure durability and reliability. The system’s compact design allows it to fit comfortably under most kitchen sinks without requiring significant space

Contaminants

ContaminantReduction FromReduction To
Arsenic (Pentavalent)0.050 mg/L0.010 mg/L or less
Barium10.0 mg/L2.0 mg/L
Cadmium0.03 mg/L0.005 mg/L
Chromium (Hexavalent)0.3 mg/L0.1 mg/L
Chromium (Trivalent)0.3 mg/L0.1 mg/L
Copper3.0 mg/L1.3 mg/L
Fluoride8.0 mg/L1.5 mg/L
Lead0.15 mg/L0.010 mg/L
Radium 226/22825 pCi/L5 pCi/L
Selenium0.10 mg/L0.05 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? 

Our advanced pentair reverse osmosis system is certified against NSF/ANSI 42 for material safety requirements and NSF/ANSI 58 for TDS reduction. The methoxychlor and lindane reduction rate of Watermart’s reverse osmosis system is up to 99%.

30 Years of Pure Excellence

30 Years of Pure Excellence

For over three decades, Watermart has been a trusted name in water filtration and purification. Our commitment to quality and customer satisfaction has earned us a reputation as a leading industry expert.

Third-Party Certified

Third-Party Certified

We maintain the highest industry standards, ensuring that our products meet superior quality and safety requirements. Our certifications provide you with peace of mind and confidence in your purchase.

Serving Over 10,000 Satisfied Customers

Serving Over 10,000 Satisfied Customers

Join the thousands of satisfied customers who have experienced the benefits of Watermart’s innovative products and exceptional service over 30 years.

Water Filter Systems FAQs

Check out common questions we get below.

It is recommended to replace the RO membrane and filters every 12 to 24 months, depending on your water usage and the quality of the feed water the Pentair RO system difficult to install?

The system is designed for easy installation under most kitchen sinks. Detailed installation instructions are provided, and it typically requires basic tools like drills, adjustable wrenches, and screwdrivers .

Yes, the system can be connected to refrigerators or icemakers. If you choose this installation option, make sure the icemaker is turned off during the initial RO system installation and flushing

Poor taste or odor may indicate that the filters need to be replaced or the system requires maintenance. It is also recommended to flush the system for 5 minutes after prolonged periods of non-use

Yes, the system is designed to be energy efficient. It utilizes a high-recovery membrane that minimizes water wastage, significantly reducing the amount of water sent to the drain compared to conventional RO systems .

Regular maintenance is straightforward and primarily involves replacing filters and checking the system for leaks. The system includes an automatic flush feature that helps maintain membrane cleanliness and performance .

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