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Made by Pure Aqua, Inc.



industrial & commercial water treatment systems worldwide by pure aqua, inc.
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Fleck 2510 Control Valve

Product Description

At Pure Aqua Inc., you will find a great variety of fleck valves products such as Fleck 2510, 5800, 5600, 7000, 2750, 9000, 9100, 9500, 3150, 3900, 2850. For more than 50 years, Fleck has led the way in advancing control valve technology for water treatment, softening and filtration applications. Fleck offers more than 20 models with 90 different options and over 1,000 configurations.

Fleck 2510

The Fleck 2510 commercial valve with a 3/4" to 1-1/4" NPT, BSP, and sweat. With a 1.05 inch distributor pilot. Typically, the 2510 valve is used on 6 inch diameter to 16 inch diameter pressure vessels. The valve has a Cv of 4.8 GPM and can backwash up to 17 GPM. The weight of just the valve is approximately 10 pounds with a working pressure range of 20 to 125 psi. Operating temperatures range from 34 degrees to 110 degrees Fahrenheit. When the 2510 valve is used for a water softener application a 1600 brine valve is used. 

How to Order Fleck Valve?

  • Specify the valve needed is for back wash filter or water softener.
  • Specify the flow rate needed for your application
  • Specify the size of tank being used when ordering to ensure proper flow restrictor sizing.
  • Fleck valve has different option, please discuss your application with Pure Aqua representative to offer the best options to fit your application.

Valve Specifications:

Valve material

 Fiber Reinforced Polymer


 3/4" to 1-1/4" NPT, BSP, and sweat



Flow Rates (50 psi Inlet) - Valve Alone:

Continuous (15 psi drop)

19 GPM

Peak (25 psi drop)

24 GPM

Cv (flow at 1 psi drop)


Max. backwash (25 psi drop)

17 GPM



Downflow only

Adjustable cycles




Time available

Electromechanical: 164 minutes SXT: 0 - 199 minutes per cycle

XT: 0-12 hours per cycle

Meter Information:

 Meter accuracy

0.25-15 GPM +/- 5% (1")


Meter capacity range (gal.)


3/4" Standard

125-2,125 gal

3/4" Extended

625-10,625 gal



1,000 - 9,900,000


1,000 - 999,900


Distributor pilot

1.05" O.D.

Drain line

1/2" NPTF

 Injector brine system

1600  - 3/8"

Brine line


Mounting base

2.5" - 8 NPSM

Height from top of tank

7 - 1/2"

Additional Information:

Electrical rating

24 v, 110 v, 220 v - 50 Hz, 60 Hz

Max. VA



Estimated shipping weight

Time clock: 19 lbs. Metered valve: 27 lbs.



Hydrostatic: 300 psi

Working: 20 - 125 psi



Cold water: 34o - 110o F Hot water: 180o F

Typical Applications:

Water Softener

6" - 16" diameter

Iron Filter

8" - 16" diameter

Sediment Filter

8" - 16" diameter

Carbon Filter

8" - 16" diameter

Neutralizing Filter

8" - 16" diameter

* As defined in the U.S. EPA Safe Drinking Water Act; the product 

also meets California Proposition 65 Standards



Model 2510 - 3/4" Commercial Control Valve

  • Offers best-in-class flow rates in a 3/4" to 1-1/4" NPT, BSP, and sweat
  • No hard water bypass piston
  • Brine cam auxiliary switch
  • Electromechanical 7- or 12-day time clock, meter delayed, or meter immediate regeneration
    Electromechanical Timer-Simple to adjust and easy to service with quick access to all internal components
  • XT- Offers a two-line, 16 character LCD backlit display for easy entering of master and user programing as well as view of diagnostics
  • SXT-Large LCD display and user-selectable time clock or metered function; usable for filtration and softener systems
  • Manual lever operations
  • Tested and Certified by the WQA to NSF/ANSI Standard 44 for Water Softener Performance.
  • Tested and Certified by the WQA to NSF/ANSI Standard 372 for Lead Free Compliance.
  • Meter initiated regeneration
  • Time clock
  • No untreated water bypass piston
  • Environmental cover
  • Electromechanical, SXT, or XT
  • Manual operation
  • Service valve operator
  • Auxiliary switch
  • Cold water (100° F)







  • Commercial Softeners
  • Commercial Media Filters
  • Commercial Carbon Filters
  • Commercial Iron Removal Filters


[custom-documents]Fleck 2510 Service Manual
Fleck 2510 Spec Sheet[/custom-documents]
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