The Fleck 5810 & 5812 SXT is a versatile water treatment system designed for reliable and efficient operation in residential and commercial settings. This manual provides essential guidance to help you install, operate, and maintain your Fleck 5810 & 5812 SXT device with confidence. Download the free PDF for comprehensive instructions and support.

What this manual covers

  • Step-by-step installation procedures for proper system setup
  • Programming and operational controls to customize your water treatment
  • Routine maintenance to ensure long-lasting performance
  • Troubleshooting common issues to keep your system running smoothly

Common questions

How do I program the control valve on the Fleck 5810 & 5812 SXT?

The manual explains how to set up the control valve’s digital interface, including setting regeneration cycles, time of day, and water hardness levels to match your water quality needs.

What maintenance is required to keep the system working effectively?

Regular maintenance includes checking and cleaning the resin bed or carbon media (if applicable), inspecting the control valve for leaks or wear, and replacing any worn components as detailed in the manual.

Looking for parts rather than paperwork? See Fleck valve parts by model number, or browse the full Parts index by model number.

About this manual

This manual documents the Fleck 5810 and 5812 SXT water treatment systems, which are suitable for both residential and commercial use. It is intended for users who need guidance on installation, operation, and maintenance of these models.

What the manual covers

  • Step-by-step instructions for installation and setup
  • Programming guidelines for operational controls
  • Routine maintenance procedures to ensure optimal performance
  • Troubleshooting common issues that may arise
  • Frequently asked questions and answers to assist users

Before you begin

Before working on the Fleck 5810 or 5812 SXT, ensure that you have read and understood the manual completely. Gather all necessary tools and safety equipment to prevent accidents. Always ensure that the system is powered down and depressurized before performing any maintenance work.

Getting help

You can download the PDF above to access the complete manual for detailed instructions. For further assistance with parts or sizing, please contact WaterSoftenerPlus for expert support.

Cover page of the Free FLECK 5810 & 5812 SXT Manual
First page of the Free FLECK 5810 & 5812 SXT Manual — the full document is available above as a free PDF download.

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