7500 GPD Comm RO

Built for
The challenge
Facility operators face costly challenges when water quality is inconsistent or contains dissolved solids. Excessive total dissolved solids (TDS) in feed water can accelerate scale, corrosion, and fouling in downstream equipment, leading to unplanned downtime and expensive repairs.
Inadequate purification capacity also risks production interruptions, impacting operational efficiency and revenue. Complex systems with integrated electronic controllers often demand specialized maintenance, increasing service costs and complexity.
For mid-to-high volume commercial operations, finding a dependable, easy-to-maintain water purification system that delivers consistent high-quality water without premium complexity is critical to protect equipment, ensure compliance, and optimize ROI.
How it works — the 3-membrane ro
The Nelsen 7500 GPD Commercial Reverse Osmosis system operates with three robust 4-inch by 40-inch membranes on the proven 440 series platform, delivering approximately 7,500 gallons of purified water daily. Reverse osmosis technology forces pressurized feed water through semipermeable membranes, separating purified permeate from concentrated contaminants.
Equipped with a 220-volt pump for production pressure and a 110-volt solenoid valve for control, this floor-standing unit combines industrial-grade capacity with straightforward switch-based operation. By excluding an integrated electronic controller, the design remains uncomplicated and easy to maintain, ideal for commercial facilities that prioritize uptime and simplicity.
Support and maintenance are streamlined by the unit’s straightforward architecture, enabling facility personnel to manage pressure and level controls without specialized electronics expertise, reducing downtime and service expenses.
What it handles
Features & specs
Why operators choose it
Ready to upgrade your facility’s water?
Protect your facility’s critical equipment with reliable high-capacity purified water. Choose a practical, straightforward reverse osmosis system designed for uptime, simplicity, and excellent return on investment.
Frequently asked questions
What is the daily water production capacity of this system?
The system produces approximately 7,500 gallons of purified water per day, suitable for mid-to-high volume commercial applications.
Does this system require specialized electronics or software to operate?
No, it uses switch-based controls with a 220 volt pump and 110 volt solenoid, simplifying operation and maintenance without integrated electronic controllers.
What contaminants does this reverse osmosis system remove?
It effectively removes dissolved solids, chlorine, sediment, bacteria, heavy metals, organics, and other contaminants, reducing total dissolved solids (TDS) for purified water.
How does this system protect downstream equipment?
By providing low-TDS purified water, it reduces scale buildup and corrosion risks, extending the longevity and reliability of equipment.
Is the system easy to maintain for commercial operators?
Yes, its straightforward switch-based operation without complex electronics makes maintenance accessible to facility staff, minimizing downtime.
What industries benefit most from this system?
Industries such as food and beverage production, car washes, agriculture, humidification, greenhouses, and equipment makeup water applications benefit greatly.