Surplus Sale – Equipment – Filters – Membranes
Surplus Sale
Complete Water Solutions Surplus Sale Filters And Membranes are new many in the original packaging. Equipment is used and offered as is.
Please Email For Pricing Or For Submitting Offer
Reverse Osmosis System
Manufacture – Osmonics
Model – 54A-HR (PA) 169-DLX
Manufacture Year 1999
Permeate Flow 159 GPM
Concentrate Flow 45 GPM
RO Pump SS24016KZE w/ 75 HP Motor
CIP Pump SS24002D w/ 15 HP Motor
PLC Operation w/ VFD Main Pump Operation
Stainless Steel Frame, Piping And Housings
Equipment – Plastic Filter Cartridge Housings
PVC Filter Housings
9 Round Filter Housing
Accepts 40” Filter
2” Inlet & Outlet
Qty (6) Available
Equipment – Stainless Steel Bag Filter Housings
Manufacture – Rosedale
Bag Filter Housings
Stainless Steel
2” Inlet / Outlet
Accepts #2 Bag Filter
Qty (8) Available
Equipment – 2500 Gallon Storage Tanks
Poly Storage Tanks with Stands
Qty (2) Available
Equipment – 7500 Gallon Storage Tank
Poly Storage Tanks With Stands
Qty (2) Available
Koch Membranes (New)
NF Filter Element
8040-SR200-400-34
400 Sq Ft
34 Mil Spacer
Part Number 8882245A
Qty (36) Available
Cartridge Filters (New)
PX05-40XK
5 Micron 40” Long Melt Blown Filter
Part Number 1193103
Qty (40) Available
Cartridge Filters (New)
PX10-40XK
10 Micron 40” Long Melt Blown Filter
Part Number 1193032
Qty (60) Available
Cartridge Filters (New)
BE.5S5S1
Meltblown 0.5 Micron 20” Long Filters
Qty (150) Available
Cartridge Filters (New)
BE1S9S1
Meltblown 1 Micron 40” Long Filters
Qty (60) Available
Cartridge Filters (New)
PX01-20
1 Micron 20” Long Melt Blown Filter
Part Number 1193125
Qty (60) Available
String Filters (New)
4.5” x 20” 5 Micron
Qty (180)
Cartridge Filters (New)
Graver Technologies
Part FSC4107500
0.5 Micron 40” Length
Qty (120) available

With over 30 years of hands-on experience in the water treatment industry, Nathan Olszak is a trusted water treatment expert. He specializes in designing, engineering, and servicing water treatment systems. As the owner of Complete Water Solutions, Osmonics, and Membrane Cleaning Pro, Nathan has built a reputation for delivering customized water treatment solutions that enhance efficiency, reliability, and water quality across various industries, including the medical, commercial, and manufacturing sectors.
Nathan’s journey in water treatment began as a service technician. He gained in-depth knowledge by working with all major brands of equipment, including Veolia, Suez, Bruner, Culligan, Pentair, Aquamatic, Osmonics, GE Water, Marlo, Lakeside, Fleck, Autotrol, US Filter, ION Pure, Siemens, Evoqua, and many others. This hands-on expertise, combined with his technical certifications, has made him a leader in water system engineering and water management.
Credentials & Expertise
- Certifications: David H. Paul Reverse Osmosis Certification, PLC Programming
- License: Power Plant Operating Engineer 3rd Class
- Specialties:
- Design & engineering of water treatment systems and advanced water systems
- Custom water filtration systems and solutions
- Installation, automation, and repair of water treatment systems
- Expertise in Reverse Osmosis (RO), Deionization, Water Softening, Carbon Filtration, Iron Filtration, UV Treatment, Ultrafiltration (UF), Process Filtration, CEDI/EDI, and more
- Specialized knowledge in Boiler Feed Water, Tower Makeup Water, and drinking water production for industries such as bottling, pharmaceuticals, and food processing
- Project management and reclaiming of water system waste for other uses
- Evaluation of raw water sources and potential contamination risks
- Industrial water treatment strategies to prevent corrosion and optimize system performance
- Boiler water treatment to enhance energy efficiency and system longevity
Nathan’s commitment to excellence extends beyond equipment sales and service. He works closely with clients to develop tailored water treatment services that optimize performance and meet their operations’ unique demands. His expertise covers methods that mitigate water impurities, ensure fresh water accessibility, and maintain regulatory compliance. It also includes the design of high-efficiency reverse osmosis systems for industrial use.
Nathan focuses on the latest technology in water conditioning, water softeners, filters, and pumps to improve maintenance and efficiency. His experience in laboratory testing and biofilm control ensures the highest industry standards in water treatment processes and water management.
Additionally, his deep understanding of infrastructure and water data analysis provides long-term, cost-effective solutions that promote health and safety. His expertise ensures that businesses receive top-tier, quality water treatment solutions.
For insights into the latest industry trends, innovations, and best practices, explore the Complete Water Solutions Blog, where Nathan shares valuable information on water filtration systems, sustainability, and water solutions engineering.
Give Us A Call (855) 787-4200 or Email info@complete-water.com