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WECO NTO-1665 Backwashing Filter with Nano Titanium Oxide for Reduction of Arsenic & Heavy Metals

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NTO-1665
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  • NTO media reduces arsenic III and V plus a wide variety of heavy metals and other contaminants including Lead, Cadmium, Cop-per, Chromium+6 , Selenium, Uranium, Antimony and Zinc. No chemicals needed.
  • Heavy-duty components for commercial and residential applications.
  • System automatically backwashes as needed.
  • Please contact with your water report if your Arsenic levels exceed 10 ppb for proper sizing and pre-treatment of the NTO unit.

WECO NTO-1665 Backwashing Filter With Nano Titanium Oxide For Reduction Of Arsenic & Heavy Metals

Intuitive Microswitch Control Panel

Experience ease with our user-friendly control interface. Featuring familiar microswitch buttons - Clock, NEXT, UP, DOWN, and Backwash/Regenerate - all illuminated by a backlit display panel. Effortlessly navigate your system with precision and clarity.

High-Flow Stainless Flexible Connectors

Crafted from premium-grade stainless steel, our high-flow corrugated flexible connectors offer significant cost reductions in both installation and maintenance. These vital FIP connectors eliminate the need for unions, ensuring seamless installations and accommodating tank expansion requirements.

Easy Service Bypass Valve

Conveniently service your backwash filter with the provided bypass valve, essential for media changeouts. Simply turn the red handle arrows to face each other to bypass the filter entirely, facilitating seamless maintenance procedures.

Flow-Controlled Drain Elbow: Easy Installation

The flow-controlled NPT male threaded drain elbow simplifies installation with its pivoting feature. Adjust the elbow to align with the drain line direction, ensuring effortless and precise installation.

Features

US Low Current Adapter

US Low Current Adapter: 100-120V AC, 0.35A. 15ft cord for dry locations. Battery retains settings during outages.

Outdoor Dust Cover

Protect your controller from sun, water, and damage with this outdoor dust cover.

Vortech Technology

Vortech revolutionize water treatment, offering fluid media beds, and 30% lower backwash flow rates for cost-effective solutions.

Installation Manual

The installation manual provides detailed guidance on plumbing, code compliance, startup, valve options, and replacement parts.

Description

The WECO Backwashing filter with Nano Titanium Oxide is a Point-Of-Entry (POE), whole house arsenic removal system for municipal and well water supplies. NTO is a granular adsorbent that is highly efficient at removing arsenic III & V. The expanded surface area of the NTO media coupled with advanced pore volume provides excellent adsorption kinetics. Pressure drop remains low and backwashing requirements are minimized. WECO NTO backwashing filters are available in a variety of sizes. Please consult with WECO Technical Support for assistance in selecting the proper size filter to meet your water purification requirements.

Arsenic is a natural component of the earth’s crust and is widely distributed throughout the environment in the air, water and land. It is highly toxic in its inorganic form. People are commonly exposed to elevated levels of inorganic arsenic by drinking contaminated water and using contaminated water in food preparation. Long-term exposure to inorganic arsenic, mainly through drinking of contaminated water, eating of food prepared with this water can lead to chronic arsenic poisoning. Skin lesions and skin cancer are the most characteristic effects. Arsenic is also linked to adverse pregnancy outcomes and infant mortality, poor childhood health, and there is some evidence of negative impacts on cognitive development.

The WECO backwashing filter consists of a mineral tank and a backwash controller valve. This combination provides unmatched strength and chemical resistance for years of trouble-free service. The slim diameter makes installation easy in tight locations and does not take up a lot of floor space. The controller is constructed of a fiber-reinforced polymer valve body for superior strength and durability. It is non-corrosive and UV-resistant. The controller uses an optical sensor for precision cycle positioning. The controller is easily programmed and user-friendly due to detailed screen descriptions and display. The controller has an internal memory that remembers your settings during a power failure. It has a convenient Vacation Mode to save water when not in use. NTO units ship pre-programmed, which simplifies the installation and startup.

Water enters the top of the tank through the control valve and passes downward through the Nano Titanium Oxide filter media. The WECO backwashing filter will clean itself periodically by rinsing away solid impurities that can plug the media bed. The control valve automatically starts the backwash process. The backwash procedure is an operation where water passes backward through the filter media at a fast flow rate. It enters the tank at the bottom through the riser tube, then flows upward through the filter medium, exiting at the control valve and sent to waste. The rapid, turbulent upward waterflow, in addition to flushing away particulate matter, loosens and resettles the media bed, preparing it for another filtration cycle. The treated and conditioned water enters the riser tube at the bottom of the mineral tank, passing upward and exiting the filter through the control valve.

When an iron reduction system is installed ahead of an arsenic reduction system, Katalox Light® is the preferred choice as it will help convert trivalent arsenic to pentavalent arsenic to enhance removal at subsequent treatment steps. Where the iron level is at least 20 times the arsenic level, indirect removal of arsenic is likely through adsorption to the ferric hydroxide particles created during iron removal (co-precipitation), so a dedicated arsenic filter may not require a redundant unit. Follow-up testing should be done to confirm satisfactory arsenic reduction across both units.

Operational Parameters

Design Parameters

  • Service Flow: ≈5-10 gpm ft²
  • EBCT: ≈1.5-3 minutes
  • Backwash Rate: ≈4-5 gpm ft²
  • Recommended Freeboard: 50%

Media Properties

  • Chemical Designation: Crystalline Titanium Oxide (TiO2) (Anatase)
  • Physical Form/Color: White Granular Solid
  • Moisture Content: < 7%
  • Particle Size: -16 mesh /+ 60 mesh

Pre-treatment

  •  Iron and Manganese: Reduce iron to 0.3ppm and manganese to 0.05 ppm
  •  Sediment: Pre-treat system with a 25μ or smaller filtration
  •  Hardness: Hardness is beneficial to NTO, install softeners after if needed
  •  pH: pH levels should be below 8.2 for effective and satisfactory media performance
  •  Oxidants: Oxidants need to be removed prior to NTO

Contaminant Reduction

  • NTO media reduces arsenic III and V plus a wide variety of heavy metals and other contaminants including Lead, Cadmium, Cop-per, Chromium+6 , Selenium, Uranium, Antimony and Zinc.

Specifications

Model Maximum Service
Flow (gpm)
Tank Size
(inches)
Minimum Backwash
Rate (gpm)
Nano Titanium Oxide Process Media
Bed Depth (Inches) Weight (lbs) Volume (cu. ft.)
NTO-0948 4.4 (1 bath) 9 x 48 2.2 13 85.5 1.0
NTO-1054 5.3 (1 bath) 10 x 54 2.7 14 114.0 1.5
NTO-1252 7.9 (2 bath) 12 x 52 4.0 16 171.0 2.0
NTO-1354 9.2 (3 bath) 13 x 54 4.6 17 222.0 2.5
NTO-1465 10.6 (4 bath) 14 x 65 5.3 18 285.0 3.5
NTO-1665 13.7 (5 bath) 16 x 65 6.9 20 339.0 4.5

Control Head Installation

Nano Titanium Oxide Medium

Recommended Setup

Professional Plumbing Support Recommended for Installation

Water pressure can cause leaks and damage the surrounding building or fixtures if not properly installed. User must check all fittings for tightness. WECO assumes no responsibility for water damage due to leaks.

Filtering Well Water?

Prior to placing an order, provide us with a comprehensive water quality analysis of your private well for a customized solution.

Alternatively, choose our basic well water test kit, and we will conduct the test on your behalf

More Information
UPC 648620100627
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