NWS
NWS Control Flow AIO 14x65 Sulfur Sys
NWS Control Flow AIO 14x65 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 |
|---|---|---|---|
| 14" x 65" | 14" x 65" | 3-1/2 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 UPS-shippable NWS Control Flow AIO 14x65 Sulfur System brings maximum-capacity hydrogen sulfide treatment to homes that prefer parcel delivery. From , it removes rotten-egg odor from well water across large properties using salt-free air injection oxidation and demand-based regeneration.
- 14" x 65" black polyglass mineral tank
- 3-1/2 cubic feet of sulfur media plus base media
- 1" NWS control valve with Control Flow Technology
- Bypass valve included for maintenance and isolation
- Plumbing adapters chosen separately
- Packaged for parcel truck delivery; about 234 lbs
Big-Capacity, Chemical-Free
The system treats hydrogen sulfide without any salt or chemical feed. A pocket of air maintained in the tank oxidizes dissolved sulfur into a filterable form that the deep media bed captures and holds. Control Flow Technology meters regeneration to actual household water use, so the unit backwashes only when needed — flushing trapped sulfur to drain and refreshing the air cushion. There are no feed pumps or chemicals to replenish at any point.
The large 14-inch diameter and 65-inch height provide the highest service flow in the residential sulfur range, ideal for large or multi-bath homes and wells with heavy rotten-egg odor. Installed at the point of entry, it delivers fresh water to every tap and shower in the home. Supplied by Water Softener Plus, this configuration arrives nearly complete; add the plumbing adapters that fit your supply lines for a clean install and efficient, low-maintenance performance over the years.
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.
As part of the Water Softener Plus catalog of well-water treatment equipment, this unit is chosen and assembled to deliver consistent, real-world results, helping you protect your plumbing investment while enjoying noticeably better water at every fixture in the house.
