Clack vs Fleck - A Complete Breakdown

September 12, 2024 4 min read

clack vs fleck

Fleck vs Clack - Which Water Softener Valve is Best for Your Home?

When it comes to choosing the right water softener for your home, two of the most popular valve brands you’ll encounter are Clack and Fleck. Both of these brands are highly respected in the industry for their durability, efficiency, and ease of use. The Clack system, in particular, is often compared to other water softener brands for its features and costs, making it a popular choice for many households.

But how do they compare? In this article, we’ll break down the key differences between Clack and Fleck valves to help you decide which is the best fit for your home water softening system.


Clack Water Softener Control Valves

Clack Corporationis known for its innovative and reliable water softener valves. Since the company introduced its valves in 2001, Clack products have been a popular choice among professionals and homeowners alike.

Here are some of the standout features of Clack Valves:

  • Durable Design: Made from high-quality materials, Clack valves are designed to last for many years without requiring frequent maintenance.
  • User-Friendly: These valves are easy to install and program, even for people with little technical experience. Their simple control heads and intuitive design make them a favorite among DIY enthusiasts.
  • Efficiency: Clack valves are known for their efficient water usage. This is particularly important if you live in a drought-prone area where water conservation is key.
  • Minimal Maintenance: One of the main selling points of Clack valves is their low maintenance requirements. They are designed to perform well with minimal intervention.
clack ws1 control valve front view


Fleck Water Softener Control Valves

Fleckhas been a trusted name in the water softening industry for decades, and their fleck control valves are well-regarded for their reliability and affordability. Fleck valves are commonly found in both residential and commercial water softening systems.

Key features of Fleck valves include:

  • Proven Track Record: Fleck valves have been on the market for many years, and they have a proven history of reliability. Many homes and businesses rely on Fleck valves for their water softening needs.
  • Wide Availability: Unlike Clack, Fleck valves are widely available to both professionals and DIY installers. You can easily find Fleck valve products online or through various retailers, and they are often preferred by consumers for their accessibility and affordability.
  • Customization Options: Fleck offers a range of different valves, making it easy to customize your water softening system to your specific needs. Whether you need a basic valve or something more advanced with multiple programming options, Fleck has a solution.
  • Digital or Mechanical Options: Fleck valves come in both mechanical and digital models, giving you the flexibility to choose the type of control that best suits your preferences.
  • Maintenance: Fleck valves typically require a bit more maintenance compared to Clack. Some users report the need for occasional repairs, but this is often manageable with the right expertise.
fleck 5600sxt control valve front view

A Closer Look at The Most Popular Clack & Fleck Softener Systems

Clack WS1 Home Water Softener
Clack WS1 Home Water Softener

The Clack WS1is a high-flow, metered water softener designed for larger households or applications requiring higher water demands.

Fleck 5600SXT Home Water Softener
Fleck 5600SXT Water Softener

The Fleck 5600SXTis a versatile, digital water softener ideal for small to medium households featuring a backlit LCD controller.


Clack WS1 vs Fleck 5600 SXT

Starting Price $959 $799
Overall Score

92

84

Professional Rating
Flow Rate Up to 27 GPM Up to 20 GPM
Regeneration Type Metered (demand-initiated) Metered (demand-initiated)
Regeneration Cycles Adjustable: Up to 6 cycles Adjustable: Up to 5 cycles
Connection Sizes 3/4" & 1" 3/4" or 1"
Drain Line Size 1/2" 1/2" or 5/8"
Cycle Time Approx. 80-100 minutes (based on settings) Approx. 90-120 minutes (based on settings)
Programming Complexity Simple and intuitive Moderate (requires more initial setup)
Power Source Standard 120V AC Adapter Standard 120V AC Adapter
Salt Efficiency High (customizable regeneration cycles) High (customizable regeneration cycles)
Resin Tank Warranty 10 years 10 years
Control Head Warranty 5 years 5 years
Capacity 24,000 to 80,000 grains 24,000 to 80,000 grains
Resin Type 8% cross-linked (standard) 8% cross-linked (standard)
Drain Line Flow Control (DLFC) Adjustable: up to 7 GPM Fixed: up to 5 GPM

Clack and Fleck Frequently Asked Questions

What is the difference in flow rate between Clack and Fleck?

Clack WS1 valves can handle up to 27 GPM, making them ideal for high-demand or large households. The Fleck 5600SXT supports up to 20 GPM, which is sufficient for most small to medium-sized homes.

Are Clack systems compatible with the same tank sizes as Fleck systems?

Clack systems accommodate larger tanks (up to 16" diameter) compared to Fleck systems (up to 14" diameter). This makes Clack a better option for applications requiring larger capacity.

How many programmable cycles do each have?

Clack WS1 offers up to 9 programmable cycles, allowing for highly customizable regeneration settings. Fleck 5600SXT provides 5 cycles, which is adequate for most standard water softening needs.

Which system is easier to service: Clack or Fleck?

Clack valves are designed for tool-free maintenance, making them easier to service compared to Fleck valves, which require basic tools for disassembly.

Can I use the same resin in both systems?

Yes. Both Clack and Fleck systems typically use 8% cross-linked resin, though you can upgrade to 10% cross-linked resin for better durability in harsher water conditions.

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