Fleck 5600SXT Water Softener Installation: What to Expect

When we install a water softener in a Texas home, our go-to system is built around the Fleck 5600SXT control valve. It's the proven, no-nonsense workhorse of the water-treatment industry — and for most homes here, it's exactly the right balance of reliability, efficiency, and value. Here's why we trust it, how we size it, and what the installation actually looks like.

Why the Fleck 5600SXT is our go-to

• Proven reliability. The 5600 platform has been refined for decades and routinely runs 10–20+ years with simple maintenance.
• Metered regeneration. The SXT controller regenerates based on your actual water usage — not a fixed timer — so you waste less salt and water.
• Non-proprietary & cheap to service. Parts are inexpensive and available everywhere, and any tech can work on it. No dealer lock-in.
• Strong, steady flow. Great pressure throughout the home — perfect for the typical 3–4 bath Texas house.
• Simple to program. Straightforward settings for hardness, regeneration time, and salt dosage make it easy to dial in and easy to troubleshoot.

Sizing it right (this matters most)

A softener that's too small wastes salt and wears out early; too big and you've overpaid. We size the 5600SXT to your household and your actual water hardness, measured during a free water test. As a rough guide:

• 32,000 grain — 1–3 people / lighter usage
• 48,000 grain — 3–5 people / the average home (our most common)
• 60,000 grain — 5+ people / high demand

Because Hill Country water is so hard, correct sizing makes a real difference in salt use and lifespan — so we never guess.

What the installation looks like

1. Free water test. We measure hardness, TDS, and chlorine so we can size the system correctly and recommend the right setup.
2. Honest quote. A clear, flat installed price — no pressure, no surprise add-ons.
3. Install at your main line. We tie the softener into your main water line (typically near the water heater or where the line enters), so the whole home is covered.
4. Set up the brine tank & program the valve. We load the system, program the 5600SXT for your hardness and household, and set the regeneration schedule.
5. Startup & first regeneration. We run the system through its first cycle and confirm everything's working — pressure, flow, and soft water at the tap.
6. Walkthrough. We show you how it works, how to add salt, and what to expect day to day.

Maintenance is easy

Day to day, it's just keeping salt in the brine tank. Every so often a quick check or inexpensive part (seals, an injector) keeps it running for years — and because it's non-proprietary, that service is cheap and any company can do it.