NWS
NWS Control Flow AIO 10x54 Sulfur Sys
NWS Control Flow AIO 10x54 Sulfur Sys
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A complete whole-house air-injection filter. One price includes everything listed below.
What's in the box
| Size | Mineral tank | Media | Control valve |
|---|---|---|---|
| 10" x 54" | 10" x 54" | 1-1/4 cu ft sulfur-removal filter media (catalytic carbon blend) | Control Flow metered air-injection valve |
- Control valve: Control Flow metered air-injection valve with built-in air injection.
- Bypass: bypass valve (included).
- Mineral tank: black fiberglass-wrapped mineral tank with support bed and distributor.
- Media: sulfur-removal filter media (catalytic carbon blend), sized to the tank.
- Also included: 1" plumbing adapters, install and service manuals.
- Ships pre-built, ready to install, free in the US.
How it works
The valve draws a pocket of air into the top of the tank. Water passes through the air, which oxidizes iron, manganese and hydrogen sulfide into particles, and the media bed filters them out. Every day the valve backwashes the bed, sends the trapped particles to drain and refreshes the air pocket.
Media benefits
- Removes hydrogen sulfide: no rotten-egg smell
- Stops black staining on fixtures and silverware
- Daily automatic backwash keeps the bed clean
- Air injection oxidizes iron, manganese and sulfur with plain air, so no chemicals or chlorine are added
Why this system costs what it does
| This system | Typical lower-priced kits | |
|---|---|---|
| Iron and sulfur treatment | Air injection: oxidizes with plain air, no chemicals | Often chlorine or permanganate feed, or no oxidation step |
| Filter design | Automatic daily backwash keeps the media bed clean | Often a non-backwashing upflow head or a cartridge housing |
| Bypass valve | Included | Often not included or an extra option |
| Media | Named media, sized to the tank | Media type or amount often not stated |
| Delivery | Ships pre-built, ready to install | Often ships in pieces for you to assemble and load |
| Shipping | Free in the US | Free only above a minimum, or extra |
Not sure which size? Send a water test or tell us your symptoms and we will size it free.
This parcel-ready NWS Control Flow AIO 10x54 Sulfur System brings taller-tank hydrogen sulfide treatment to homes that prefer parcel delivery over freight. Engineered by , it uses air injection oxidation and metered Control Flow Technology to banish rotten-egg odor from well water without salt or chemicals of any kind.
Inside the System
- 10" x 54" black polyglass mineral tank
- 1-1/4 cubic feet of sulfur media plus base media
- 1" NWS control valve with Control Flow Technology
- Bypass valve included for service and isolation
- Plumbing adapters selected separately
- Packaged for parcel truck delivery; about 120 lbs
Operation is simple and largely self-managing. A pocket of air at the top of the tank oxidizes dissolved hydrogen sulfide, the media bed captures the resulting particles, and the metered control valve backwashes only when household water use calls for it — flushing contaminants to drain and renewing the air cushion automatically. With no feed pumps or chemicals to maintain, ongoing upkeep stays minimal for the homeowner.
The 54-inch tank height provides extra freeboard so the media expands fully during backwash, keeping the bed clean and extending its working life over years of service. As point-of-entry equipment, it ensures fresh, odor-free water at every tap and shower in the home. Supplied by Water Softener Plus, this configuration arrives nearly complete; add the plumbing adapters that suit your connections for a smooth installation and dependable, efficient sulfur control delivered by parcel.
For the cleanest result, position the filter on a level base with room above the tank for valve service, near both the main line and a drain. Some homeowners with combined issues add this sulfur filter ahead of a water softener, treating odor first and hardness second. With no chemicals to handle and no feed pumps to prime, the unit settles into a quiet, reliable routine that keeps showers and drinking water free of that telltale rotten-egg smell.
Supplied and supported by Water Softener Plus, this -built system reflects the quality and consistency homeowners and installers have come to expect from the brand, giving you confidence in a long, dependable service life treating your home's water.

