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15000 GPD Comm ROAdd to Cart ↓
High-Capacity RO

15000 GPD Comm RO

Maximize Purified Water with Unmatched Reliability
15000 GPD Comm RO
Approx. 15,000 gallons
Daily Purified Water Output
Six 4x40 inch membranes
Membrane Configuration
220 volt pump and solenoid
Power Supply

Built for

Food & Beverage ProductionCar Wash FacilitiesGreenhouse IrrigationIndustrial Makeup WaterAgricultural ProcessingPharmaceutical Manufacturing

The challenge

Commercial facilities that depend on high volumes of purified water face constant challenges with inconsistent water quality, scale buildup, and equipment downtime. Untreated water with high dissolved solids and contaminants can degrade product quality, damage sensitive equipment, and increase operational costs.

The inability to produce large volumes of purified water on demand leads to production bottlenecks and compromises compliance with industry water quality standards. Frequent maintenance caused by scale and contaminant buildup adds unscheduled downtime, affecting facility throughput and profitability.

For facility operators, these water challenges translate into lost revenue, higher maintenance expenses, and risk of regulatory non-compliance, making an efficient, high-capacity water purification solution essential for sustained operational excellence.

How it works — the reverse osmosis membranes

Water in
The problem enters
Reverse Osmosis Membranes
Where it's treated
Clean water out
To the whole system

The Nelsen 15000 GPD Commercial Reverse Osmosis (RO) system is engineered to deliver approximately 15,000 gallons of purified water daily, using a robust six-membrane 440 series platform. Each 4x40 inch membrane operates under high pressure supplied by a reliable 220 volt pump, effectively rejecting dissolved solids and contaminants as feed water passes through the semipermeable membranes.

This system employs a straightforward, switch-based control scheme with a 220 volt solenoid valve managing flow and pressure without the complexity of integrated electronic controllers, enhancing maintainability and uptime. The floor-stand design, weighing about 224 pounds, allows easy integration into existing facility layouts.

Comprehensive pretreatment, including dechlorination, is crucial to protect the membrane bank from chlorine damage and fouling, ensuring prolonged membrane life and sustained performance. Regular maintenance routines tailored to commercial operational schedules keep the system operating at peak efficiency, minimizing downtime and maximizing return on investment.

What it handles

Dissolved solids
Chlorine
Sediment
Hardness minerals
Organic contaminants
Scale-forming compounds
Spotting agents
Industrial pollutants

Features & specs

High-Capacity Membrane Bank
Six 4x40 inch membranes configured on the proven 440 series platform deliver large volumes of purified water to meet demanding commercial requirements.
Robust 220 Volt Pump and Solenoid
Industrial-grade pump ensures sufficient feed pressure while solenoid valve provides reliable flow control without complex electronics.
Switch-Based Control System
Simple, maintainable operation relying on conventional pressure and level controls eliminates dependency on integrated electronic controllers.
Floor-Stand Frame
Rigid frame design weighing approximately 224 pounds enables stable installation and ease of access for service and maintenance.
Comprehensive Pretreatment Requirement
Designed for use with properly dechlorinated and pretreated feed water to maximize membrane life and system uptime.
Scalable for Multiple Applications
Versatile design supports diverse commercial uses from food and beverage production to industrial makeup water.

Why operators choose it

⚙️
Maximized Uptime
Simple control scheme and durable components reduce downtime and maintenance frequency.
💧
High-Volume Production
Delivers approximately 15,000 gallons of purified water daily to sustain peak facility demand.
🔒
Equipment Protection
Low-TDS output water minimizes scale buildup and contaminant damage to downstream equipment.
📈
Consistent Quality
Stable purified water supply supports product quality and regulatory compliance.
💡
Operational Simplicity
Switch-based controls reduce training requirements and simplify routine operation.
♻️
Improved ROI
Efficient design and high output capacity optimize water treatment cost savings over time.

Ready to upgrade your facility’s water?

Elevate your facility’s water purification capability with the reliable, high-capacity Nelsen 15000 GPD Commercial Reverse Osmosis system. Ensure consistent water quality, protect your equipment, and maximize operational efficiency with this proven commercial solution.

Not sure which size? Get free expert sizing →

Frequently asked questions

What feed water pretreatment is required?

The system requires comprehensive pretreatment including dechlorination to protect the membrane bank from chlorine damage. Sediment filtration and hardness reduction should also be implemented to prevent fouling and scaling.

How does the switch-based control system work?

Instead of using integrated electronic controllers, the system relies on conventional pressure and level switches to activate the 220 volt pump and solenoid valve, simplifying operation and enhancing maintainability.

What maintenance is needed to ensure uptime?

Routine inspection of pretreatment components, membrane cleaning as recommended by water quality, and periodic check of pump and valve operations help maintain optimal uptime and system longevity.

Can this system handle variable flow demands?

Yes, the system is designed to operate efficiently at peak commercial water demands and can manage fluctuating facility water requirements within its capacity range.

What contaminants does this RO system remove?

It effectively removes dissolved solids, chlorine, sediment, hardness minerals, organic compounds, and other industrial pollutants to deliver purified, low-TDS water.

Is this system suitable for food and beverage applications?

Absolutely. Its high purity output and capacity make it ideal for food and beverage production, ensuring product quality and compliance with industry standards.

How does the system protect downstream equipment?

By supplying low-TDS, purified water, the system reduces scale buildup and contaminants that can cause spotting, equipment wear, and process inconsistency.

What is the expected lifespan of the membranes?

With proper pretreatment and maintenance, membranes typically last several years; however, lifespan varies based on feed water quality and operational conditions.

NSF/ANSI-grade componentsFactory-direct pricingUS-based commercial supportFinancing & Net-30 availableFree system sizing & specManufacturer-backed warranty

How we compare

Water Softener PlusTypical supplier
PricingPublished, factory-directQuote-gated, opaque
SizingFree sizing to your flow & loadDIY / paid engineering
SupportUS-based commercial specialistsTicket / call center
TermsFinancing & Net-30Prepay only
WarrantyManufacturer-backedLimited

Why operators choose us

📐
Free Sizing & Spec

We size to your flow, load and application before you buy.

🇺🇸
US-Based Support

Commercial specialists for install, startup and service.

💳
Financing & Net-30

Flexible terms for businesses and facilities.