Fleck 2510 AiQ Backwashing Carbon Filter

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Fleck 2510 AiQ Backwashing Carbon Filter

The Fleck 2510 AiQ Backwashing Carbon Filter pairs the Pentair Fleck 2510 valve and new AiQ controller with your choice of five premium catalytic or coconut shell carbons. Choose coconut shell carbon for chlorine, taste and odor, or catalytic carbon for chloramine and hydrogen sulfide. It replaces the discontinued Fleck 2510 SXT carbon filter.

Unlike cartridge filters, it cleans itself. The AiQ valve lifts and rinses the carbon bed on schedule, which keeps flow high and gets the full life out of the media.

Warranty: 5 years on the Fleck 2510 AiQ valve head and 10 years on the tank. See the full Fleck 2510 AiQ spec sheet (PDF).

Fleck 2510 AiQ backwashing whole house carbon filter

Choose Your Carbon

Carbon Type Base Best For Buy Media Only
Calgon OLC 12x30 Standard Coconut Shell Chlorine, taste, odor, general organics Calgon Coconut Shell Carbon
Jacobi AquaSorb CS 12x40 Standard Coconut Shell Chlorine, THMs, low molecular weight organics Jacobi Coconut Shell Carbon
Calgon Centaur-C 12x40 Catalytic Coconut Shell Chloramine, hydrogen sulfide Centaur Coconut Shell Carbon
Calgon Centaur 12x40 Catalytic Bituminous Coal Chloramine, hydrogen sulfide Centaur Catalytic Carbon
Jacobi AquaSorb CX-MCA 12x40 Catalytic Coconut Shell Chloramine, hydrogen sulfide, THMs Jacobi Catalytic Carbon

Rule of thumb: on city water treated with chlorine, a standard coconut shell carbon is enough. If your city uses chloramine, or your well has a sulfur smell, choose a catalytic carbon.

What's Included

  • Fleck 2510 AiQ Backwash Control Valve
  • Pentair Mineral Tank with Gravel Underbed
  • Carbon Media of Your Choice (ships separately, loaded on site)
  • 3/4" Stainless Steel Bypass Valve
  • 50' Clear Poly Drain Line
  • Media Funnel
  • Free Replacement Parts for Life
  • 5 Year Warranty on Valve Head (10 Years on Tank)

Fleck 2510 AiQ Carbon Filter Key Features

  • Treats Every Tap: Filters water for every faucet, shower and appliance, not just the kitchen sink.
  • Five Carbon Options: Coconut shell carbon for chlorine, or catalytic carbon for chloramine and hydrogen sulfide.
  • Self-Cleaning Backwash: The AiQ valve backwashes and rinses the carbon bed automatically, with no cartridges to change.
  • Full-Color AiQ Display with Quick Start Menu: Plain-language menus and fast setup.
  • USB-C Port and Benchtop Programming: Program before installation, update software, and pull usage history and diagnostics.
  • Field-Updateable Controller: Software updates keep the valve current without new hardware.
  • Wrap-Around Light Bar: System status visible from multiple angles.
  • Modular Powerhead: 4-step teardown, easy grip handle and a backplate hook for service.
  • NEMA 3R / IP54 Rated: Built for garages, basements and wet locations.

How the Fleck 2510 AiQ Carbon Filter Works

  1. Filter: Water flows down through the carbon bed, where chlorine, chloramine, organics and odors are adsorbed or catalytically broken down.
  2. Backwash: On a set schedule, the AiQ valve reverses flow to lift the bed, release trapped particles and prevent channeling.
  3. Rinse: A fast rinse resettles the bed, then the filter returns to service.

Pair it with a Fleck 2510 AiQ Water Softener for soft, dechlorinated water throughout the house. Prefer a Clack valve? See our backwashing carbon filter for whole house.

Fleck 2510 AiQ Carbon Filter Specs

Valve Fleck 2510 with AiQ Controller and Powerhead
Valve Material Fiber-Reinforced Polymer
Inlet/Outlet 3/4" Stainless Steel Bypass
Regeneration Downflow Service, Backwash and Rinse
Regeneration Trigger Time Clock
Cycle Times Adjustable, 0–240 min per cycle
Max Valve Backwash 17 GPM (25 psi drop)
Drain Line 1/2" OD Clear Poly Tube
Working Pressure 20–125 psi
Water Temperature 34–110°F
Electrical 110V, 50/60 Hz (24/220V available)
Enclosure Rating NEMA 3R / IP54
Programming On-Board or USB-C
Warranty 5 Years on Valve Head, 10 Years on Tank

Flow Rates by Tank Size

Tank Media Service Flow Backwash
10" x 44" 1 cu. ft. 2 GPM 5 GPM
10" x 54" 1.5 cu. ft. 2 GPM 5 GPM
12" x 48" 2 cu. ft. 3 GPM 7 GPM
13" x 54" 2.5 cu. ft. 3.5 GPM 10 GPM

Carbon Media Specs

Carbon Mesh Iodine Number (min) Certification
Calgon OLC 12x30 900 mg/g NSF/ANSI 61
Jacobi AquaSorb CS 12x40 1,000 mg/g NSF 61, AWWA B604
Calgon Centaur-C 12x40 900 mg/g AWWA B604, FCC
Calgon Centaur 12x40 825 mg/g AWWA B604, FCC
Jacobi AquaSorb CX-MCA 12x40 1,000 mg/g NSF 61 & 42, AWWA B604

Fleck 2510 AiQ Carbon Filter FAQ

What does the Fleck 2510 AiQ carbon filter remove?

With coconut shell carbon it removes chlorine, taste, odor, color and organic chemicals such as THMs. With catalytic carbon it also removes chloramine and hydrogen sulfide.

What is catalytic carbon, and do I need it?

Catalytic carbon is activated carbon with an enhanced surface that breaks down chloramine and hydrogen sulfide, which standard carbon handles poorly. Choose it if your city uses chloramine, or if your water has a rotten egg smell.

Coconut shell or coal-based carbon?

Coconut shell carbon is harder and has a higher iodine number (900–1,000 mg/g), so it adsorbs well and holds up to backwashing. Centaur's coal-based catalytic carbon is the original chloramine carbon and a proven choice for chloramine and sulfur.

Why a backwashing filter instead of cartridges?

A backwashing filter cleans its own bed, keeps full household flow and only needs new carbon every few years. There are no cartridges to buy or swap.

How often should I replace the carbon?

It depends on water use and chlorine levels. Most homes rebed every 3–5 years. Each carbon is also sold on its own for rebedding.

Do I also need a water softener?

Carbon doesn't remove hardness. For hard water, pair it with a Fleck 2510 AiQ Water Softener.

Is the Fleck 2510 SXT carbon filter discontinued?

Yes. Pentair has discontinued the 2510 SXT. The 2510 AiQ replaces it, with a full-color display, USB-C programming and a modular powerhead.

What's the warranty?

5 years on the Fleck 2510 AiQ valve head and 10 years on the tank.

How We Handle Shipping

At Aqua Home Supply, we take pride in delivering your water treatment systems safely and efficiently.

  • Freight Shipping with Liftgate Service: Whole home and commercial systems are shipped via LTL freight on a pallet to ensure secure handling and protection during transit.
  • Professionally Boxed & Labeled: Each unit is boxed in reinforced packaging designed for its size, with clear system illustrations and handling indicators to ensure accurate delivery and minimal risk of damage.
  • Curbside Delivery: Orders are delivered curbside to your business or residence. If liftgate service is needed, we include it at no extra charge—no forklift required.
  • Tracking & Coordination: Once your system ships, you'll receive full tracking details and freight contact info to coordinate delivery directly with the carrier.
  • Ready to Install: Systems arrive pre-assembled or partially pre-loaded depending on the model. All necessary components are included for a smooth install.

Fast, secure, and worry-free—your new water system arrives job-ready.

How Aqua Home Supply ships whole house water filtration systems


Fleck 2510 AiQ Backwashing Carbon Filter Reviews