Seawater Desalination Reverse Osmosis Watermaker 4,500 GPD | 17,000 LPD
The AMPAC USA Seawater Desalination Reverse Osmosis Watermaker 4,500 GPD / 17,000 LPD (model SW4500) turns seawater into fresh, potable water using reverse osmosis, removing salts, minerals, and impurities to deliver water suitable for a range of onboard needs. Built to run on minimal power, it suits off-grid applications and situations where energy efficiency matters, giving vessels a consistent water supply without relying on outside sources.
- 4,500 GPD / 17,000 LPD production capacity
- Horizontal one-piece frame built for compact locations
- Internal High Pressure Booster Pump
- Super quiet operation
- Automatic operation with simple Start/Stop control
The SW4500 is engineered for marine-based work, including PSVs, MPSVs, and AHTS vessels that need a dependable fresh water source for crew, operations, and equipment. Its compact footprint and efficiency also make it a strong fit for small power boats and sailboats on extended voyages or remote cruising, where generating water directly from the sea adds real self-sufficiency.
Each SW4500 component is selected and tested for durability in harsh marine environments, reflecting AMPAC USA's manufacturing standards for water treatment equipment built for continuous use.
At AMPAC USA, we take pride in delivering not just industry-leading water purification solutions but also unmatched technical support to ensure seamless operation and customer satisfaction. Our dedicated support team comprises highly trained professionals who bring together deep engineering expertise and a commitment to exceptional service. Whether you require troubleshooting assistance, product guidance, installation support, or maintenance recommendations, our team is here to help.
How We Support You:
✔ Expert Consultation – Need help selecting the right reverse osmosis system, desalination unit, or water treatment solution? Our specialists will guide you based on your unique requirements.
✔ 24/7 Technical Assistance – We understand the urgency of water purification needs. Our support team is readily available to resolve issues and keep your operations running smoothly.
✔ Installation & Setup Guidance – Whether it’s a commercial, industrial, or residential system, we provide step-by-step assistance to ensure optimal installation and efficiency.
✔ Troubleshooting & Repairs – Facing operational issues? Our experts will diagnose problems quickly and recommend the best solutions, including spare parts, system optimizations, and repairs.
✔ Preventive Maintenance Support – Extend the lifespan of your equipment with routine maintenance guidelines and service schedules tailored to your system.
Phone: 909-548-4900 | Email: info@ampac1.com
Frequently Asked Questions
What's the daily output of the SW4500?
4,500 gallons per day (17,000 liters per day), enough for demanding water requirements aboard PSVs, MPSVs, AHTS vessels, and smaller boats.
How much power does the SW4500 need to run?
It's designed to operate with minimal power consumption, which makes it a practical choice for off-grid use and vessels where energy efficiency matters.
Is the SW4500 loud when it's running?
No, it's built for super quiet operation, an important feature in marine settings where noise from onboard equipment can be disruptive.
How is the SW4500 operated day to day?
It runs automatically with a simple Start and Stop control, so it requires minimal intervention once installed.
What vessels is the SW4500 suited for?
It's engineered for PSVs, MPSVs, and AHTS vessels, and its compact horizontal frame also makes it a good fit for small power boats and sailboats.