Nelsen Water Solutions 20-66 gpm Systems

Features the Nelsen 1-1/2″ Composite Control Valve

Nelsen Water Solutions point-of-entry water softening systems are engineered to remove hardness efficiently and are designed for mid-size commercial/industrial applications ranging from 96,000 to 300,000 grains of hardness removal capacity at flow rates up to 60 gpm per tank with the 1-1/2″ valve. They can be network configured from 1-6 systems to accommodate demanding, large water volume requirements. We manufacture single and multiple tank systems, with full documentation and O&M manuals.


Features and Benefits


1.5" glass-filled composite top mount control valve suited for mid-size commercial/industrial applications featuring fully adjustable cycle times


Progressive Flow Built-in for easy set up for multiple tank applications up to 4 systems, without Clack System Controller requirement


A high-quality strong-acid softening (cation) resin with superior chemical resistance


One-piece expanding seal spacer stack assembly and linearly reciprocating piston operation

Key Features

  • 1.5" top mount control valve suited for mid-size commercial/industrial applications
  • Glass filled composite
  • Economical plastic optional meter assembly
  • Progressive Flow Built-in for up to 4 systems, Clack System Controller not required
  • Service Alarm - Time, Volume or Both
  • Scrolling Dealer Name & Contact Number
  • Service flow rate of 60 gpm, backwash 43 gpm
  • Upflow/downflow brining field convertible
  • Solid state microprocessor with easy access front panel settings
  • Front panel display for time of day, days until next regeneration, volume remaining, current flow rate and total volume used (Totalizer)
  • Four methods to initiate regeneration; meter immediate, meter delayed, time clock delayed or pressure differential
  • Optional double backwash feature offers optimum regeneration, cleaning ability and efficiency
  • Fully adjustable cycle times with 6-cycle control delivers controlled backwash, downflow brining or upflow brining, slow rinse, second backwash, fast rinse, refill and downflow service
  • Coin cell lithium battery backup for time of day up to 8 hours
  • Level VI 15-volt output DC power supply provides safe and easy installation
  • Pre or Post treated water regenerant refill
  • Days override feature; 1 – 28 days available
  • One piece expanding seal spacer stack assembly
  • Linearly reciprocating piston operation
  • Reliable and proven DC drive

Additional Resources



PVC Commercial Salt Decks - ​PVC Commercial Salt Decks are available for brine tanks 50" and under. A commercial brine grid that can endure the harsh environment of today's demanding water softening systems. The PVC grid plate and support structure are lightweight and corrosion resistant.

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Optional System Controller to allow Networking - Networks of up to 6 valves with options of Progressive Flow, Alternating, Random,  or Series

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HIGH FLOW DISTRIBUTION - Plastomer Diffusers or Hub & Lateral systems offer highly efficient distribution and collection of water and regenerants in water processing equipment.

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System Skids - Nelsen Commercial Skids are pre-engineered and assembled, offering you a low cost of installation with start-up quick and easy. Skids have an epoxy primer with an enamel finish coat in safety blue. 

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Find A Local Nelsen Water Solutions Dealer

• Capacities are based on resin manufacturer’s data • All flow rates are in Gallons Per Minute • All sizes and space required are in inches
**Space required and shipping weight are for single tank systems w/standard size brine tanks; multi-tank systems require additional spacing and are additional weight