Whole House Water Filtration System On Demand

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Sale price$1,180.00 Regular price$1,699.00



Nelsen Signature Series System With German KATALOX LIGHT Advanced Media

Filters And Removes Metals In City And Well Water

Lead Zinc Iron Manganese Hydrogen Sulfide

Copper Arsenic Medium Uranium Redionelides


Iron and Sulfur are two of the most common elements found in nature. While both are extremely important for everyday life, both are a nuisance in water and can cost you money and frustration. Iron staining is a common problem in homes today. It causes orange staining on fixtures, as well as dingy clothes, and sometimes can have negative effects on both hair and skin. Sulfur is easily detected by the presence of a “rotten egg” odor, and is sometimes associated with yellow staining. All of these problems can be eliminated with the Nelsen AIO™ Air Injection Oxidizing Filtration System.


These naturally occurring elements can be removed using nature’s own process of oxidation.

The Nelsen AIO™ maintains an “air pocket” in the top of the tank while the system is in service. As water passes through the air pocket, iron and sulfur are oxidized.

The Nelsen AIO™ filter media bed then removes the oxidized iron and sulfur from the water. Additionally, dissolved oxygen is added to the water.

PROVEN TECHNOLOGY The Nelsen AIO™ system includes the Pentair Fleck 2510AIO SXT or 5600AIO SXT electronic control valve that automatically backwashes the system to clean the media and flush everything down the drain.

The Nelsen AIO™ puts the whole oxidation process inside one tank, keeping maintenance costs and downtime to a minimum.

Made by Pentair Fleck, a leading manufacturer of control valves in the US, the digital control valve allows for ease of setup and automatic operation. The Nelsen AIO™ can remove up to 8 ppm Hydrogen Sulfide and up to 7 ppm Iron. A daily backwash will remove accumulated iron and replenish the filter media bed. The regeneration process also adds a fresh air pocket to the system. Calcium and hardness can also be removed when a water softener is placed after the Nelsen AIO™

Filtration of

• Less than 3 microns

• Suspended solids

• Sediments

• Turbidity

• Organics

• Color

Odor Removal of

• Iron

• Manganese

• Hydrogen Sulfide

• Arsenic

• Radium

• Heavy Metals

Radionuclides Advantages

• High content MnO2 coating (10%)

• Very High Surface Area

• Contains NO Crystalline Silica

• Light Weight - providing significant savings on backwash water

• Higher Filtration rates

• Filtration of sand, sediment, and suspended solids, down to 3 microns

• High-efficiency removal capacity of Iron, Manganese, and Hydrogen sulfide

• Effective reduction of Arsenic, Zinc, Copper, Lead, Radium, Uranium, radionuclides, and other heavy metals

• Media replacement every 7 - 10 years

• No disinfection by-product

• No mandatory KMnO4, chlorine or chlorine dioxide dosing • Low operational costs

• Unique product, unmatched by our competitors

What is Katalox Light®?

KATALOX LIGHT ® is a new brand of revolutionary advanced filtration media completely developed in Germany. Its composition simply makes it outstanding against the contemporary filter media available in water treatment industries, like sand, BIRM, Greensand Plus, Manganese Greensand, etc. KATALOX LIGHT ® is manufactured in Germany.

KATALOX LIGHT ® is engineered with a unique MnO2 coating technique on ZEOSORB®, providing it lightweight, higher filtration surface, more service life and more reliable performance (filtration down to 3 µm) than any other existing granular filter media.

KATALOX LIGHT ® is being used in numerous systems for residential, commercial, industrial, and municipal applications worldwide, for High-level filtration, color and odor removal, Iron, Manganese, Hydrogen sulfide removal, efficient reduction of Arsenic, Zinc, Copper, Lead, Radium, Uranium and other radionuclides and heavy metals.

KATALOX LIGHT ® is WQA Certified to meet ANSI/NSF 61 standards for drinking water applications and has met the ANSI/ NSF 372 Lead-free compliance.

Advanced use

High concentration coating of MnO2 on the KATALOX LIGHT ® surface (10%) is the biggest advantage compared to any similar product available in the market. This makes the oxidation and co-precipitation of contaminants much more effective. For the removal of very high concentrations of contaminant, it‘s recommended to use H2O2 as an oxidizer, which provides accelerated catalytic oxidation on the surface of the media. Conventional oxidizing agents like chlorine or potassium permanganate also could be used if required.

KATALOX LIGHT ® can be used for Arsenic, Radium, and Uranium removal but in these cases, there is a requirement for Iron in the water. KATALOX LIGHT ® system is designed with special iron dosing technology which has many advantages over Adsorbent media used for Heavy Metal removal.

The Future

The future of water treatment, as we see it, is going to give us more difficult challenges and we all need more advanced and robust products.

In Watch Water®‘s vision, KATALOX LIGHT ® can be addressed for advanced concepts like Water Reuse, Controlled Adsorption of Arsenic and Heavy Metals, advanced Membrane pre-treatment, Zero-Discharge Cooling tower etc.

Contact us for information. Standard Packaging: 1 ft³ bags (28 Liters); Mass: 30 kg (66 lb) 40 bags on a Pallet 16 Pallets in a container

Watch Water® KATALOX LIGHT ® systems offer a new technology with advanced catalytic filtration available in the water treatment industry. All systems have been engineered keeping both professionals and consumers in mind. Systems are available in different models and customized for manual backwash without using electricity or they can be made fully automatic. The system can be used in a variety of applications including residential, commercial, and any process water applications for the food and beverage industry.

Standard systems are designed with a filtration velocity of 20 m/h (8.2 GPM/ft2) to provide good filtration. This value may differ for advanced applications like Arsenic, Radium, Uranium, and other

DESTROY 99.9% of HARMFUL MICROORGANISMS Add Viqua UV Light for Water Disinfection

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