FLECK NXT Water Conditioning System Owner’s Manual

About this manual

This manual provides instructions for routine care and maintenance of the FLECK NXT water softener or filter valve and control. It does not cover installation, setup, service, or troubleshooting. The system features an electronic controller with multilingual support, LCD display, and regeneration scheduling. Users can set time of day, adjust regeneration settings, and bypass the system for maintenance. Care instructions for the brine tank are included, along with troubleshooting for common issues like power outages and salt level problems.

What's inside

• How To Use This Manual
• Features of the NXT Controller
• Setting Time of Day
• Initiating a Manual Regeneration
• User Programming
• Bypassing the Water Conditioning System
• Control Operation During a Power Failure
• Care and Use of Your Brine Tank
• Troubleshooting
• Detected Errors

Frequently asked questions

What does the NXT controller display when in service?

The display shows a blue LED: In service.

What type of salt should I use in the brine tank?

Only use sodium chloride salt designed for water softeners. Other types may contain dirt and chemicals that affect water quality and performance.