Fleck 5600 vs 5800 - Which Water Softener is Best for You?

February 11, 2025 3 min read

Fleck 5600 vs 5800

Fleck 5800 SXT vs 5600 SXT: Key Differences

Hard water can be a hassle—it leaves spots on dishes, dries out skin, and causes buildup in plumbing. A high-quality water softener can solve these problems by removing hardness minerals like calcium and magnesium. In this guide, we’ll compare two popular models: Fleck 5600 vs 5800 to help you determine which one suits your home best.

Both the Fleck 5600 SXT and 5800 SXT are efficient water softeners, but they cater to different needs. The 5600 SXT is a reliable, straightforward system, while the 5800 SXT offers more advanced features and customization. Let’s break down their differences:


How do the 5600 and 5800 Differ?

Water Flow and Performance

  • Fleck 5600 SXT: Handles up to 20 gallons per minute (GPM), making it ideal for small to medium-sized homes.
  • Fleck 5800 SXT: Offers up to 22 GPM, providing better flow for larger households with higher water demand.

Both systems use ion exchange technology to remove hard minerals, but the 5800 SXT has a more advanced valve system for improved efficiency.

Ease of Use & Control Valve

  • Fleck 5600 SXT: Features a simple, easy-to-use interface with a basic digital display. Great for homeowners who prefer a no-fuss setup.
  • Fleck 5800 SXT: Comes with a more advanced LCD display and touchpad, offering more control over regeneration cycles and settings.

The 5800 SXT's digital interface makes it easier to monitor system performance, while the 5600 SXT remains a dependable, user-friendly option.

Cost & Value

  • Fleck 5600 SXT: More affordable upfront, making it a budget-friendly choice.
  • Fleck 5800 SXT: Higher initial cost but offers better efficiency, potentially saving money on salt and water usage over time.
  • The Fleck 5600 SXT vs 5800 SXT debate often comes down to cost versus long-term benefits. If you're looking for a balance between price and technology, the 5800 SXT may be the better choice.
5600 vs 5800

A Closer Look at Each Softener System

Starting Price $959 $799
Overall Score

92

84

Professional Rating
Flow Rate Up to 21 GPM Up to 20 GPM
Regeneration Type Both Upflow/Downflow Downflow
Regeneration Cycles Adjustable: Up to 5 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. 0-199 minutes (adjustable) Approx. 90-120 minutes (based on settings)
Programming Complexity Advanced Moderate
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) Fixed: up to 7 GPM Fixed: up to 5 GPM

5600 vs 5800: Which One is Right for Your Home?

Choose the Fleck 5600 SXT if:

✔ You have a small to medium-sized home (1-3 bathrooms)

✔ You prefer simple, reliable controls

✔ You want a budget-friendly water softener

✔ You don’t mind a basic digital interface

Choose the Fleck 5800 SXT if:

✔ You have a larger home (4+ bathrooms)

You want more customization and advanced features

You need ahigher flow rate for multiple users

You prefer a modern digital display with better efficiency

Fleck 5800 sxt vs 5600 sxt

Learn More About Each System


Fleck 5800SXT Water Softener
Fleck 5800SXT Water Softener

The Fleck 5800SXTis 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.


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