Nelsen 21" x 62" Filter Unit

The Nelsen 21" x 62" Filter Unit from Water Softener Plus is a heavy-duty commercial filtration system engineered for high-volume applications, controlled by the powerful Nelsen WS1.5EE 1-1/2" valve. Its wide 21" tank accommodates a large media bed, providing the capacity and contact time that demanding commercial and industrial sites require for consistent, high-throughput treatment.

This system is built to perform under serious load. The Nelsen WS1.5EE control valve supports a 60 gpm service flow rate and 50 gpm backwash, all managed by a solid-state microprocessor with easy front-panel programming. Six fully adjustable cycles handle controlled backwash, down-flow brining and slow rinse, a second backwash, fast rinse, refill, and down-flow service, with an optional double backwash feature available for enhanced regeneration and cleaning efficiency in the most demanding settings.

Operator-Friendly Monitoring

• Large 21" x 62" commercial tank for high-capacity filtration
• Nelsen WS1.5EE 1-1/2" top-mount valve, lead-free brass construction
• 60 gpm service flow rate with 50 gpm backwash
• Six adjustable cycles plus optional double backwash
• Front-panel totalizer display tracks flow, volume, and regeneration timing
• Coin-cell lithium backup (8-hour carryover) with proven DC drive

The front-panel display keeps operators fully informed, reporting time of day, days until next regeneration, volume remaining, current flow rate, and total volume used through the built-in totalizer. This visibility is invaluable for managing a large commercial system, allowing staff to monitor consumption, verify proper operation, and plan maintenance before any issue affects service. Flexible regeneration options, including meter immediate, meter delayed, and time-clock delayed, let you tailor operation to the facility's specific usage patterns, while post-treated water is used for regenerant refill.

Reliability features round out the package: a coin-cell lithium battery backup with an 8-hour carryover preserves settings through power interruptions, a 12-volt AC adapter provides safe and easy installation, and a proven DC drive ensures dependable long-term mechanical operation. The lead-free brass valve construction meets potable-water standards while enduring continuous heavy use.

Shipped complete with commercial distributors and a gravel under-bed, the unit accepts a range of filter media so it can be configured precisely for your application and water-quality goals. For high-demand commercial filtration that combines large capacity with precise, automated control, the Nelsen 21" x 62" filter unit is a dependable workhorse.