Fleck NXT2 Advanced System Network Controller

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Fleck NXT2

The Pentair Fleck NXT2 Advanced System Network Controller features new user-friendly upgrades and first-in-class connectivity. This multi-valve system controller expands the current capability from four to eight valves, decreasing installation and set-up time. Plug-in wire harnesses further increase efficiency and high contrast OLED display improves readability.

For Valves:

  • 2750
  • 2815
  • 2850
  • 2900S
  • 3150
  • 3900

Features and Benefits

  • On-screen multilingual support: English, French, Dutch, Italian, Spanish, Netherlands, Portuguese 
  • Time of day super capacitor backup for 12-hour power loss 
  • 2 to 4 line scrolling text OLED display, high contrast easy to read in low light conditions and at a distance 
  • Full functional user interface with easy programming allowing forward and backwards menu navigation 
  • Network two to eight valves via CAT5 or better cables 
  • LED Status Indicator - Blue: In Service - Flashing Blue: Regeneration Queued - Green: Regeneration - Flashing Green: Standby - Red: Error condition present 
  • Two Programmable Auxiliary relay outputs - Time-based - Volume based (Chemical pump) - Alarm-based - Cycle-based - Standby 
  • Remote input - Remote Lockout - Remote Regeneration 
  • Easy installation with plug-in wiring harnesses 
  • Assistance Name and Phone Number contact fields 
  • Error Log History 
  • Water Usage Daily (up to 13 weeks) 
  • Push Settings 
  • Capacitive Touch buttons 
  • Two Regeneration Lockout Windows 
  • Reset to factory default settings or from savable custom settings 
  • Full calendar display 
  • Master Programming Lockout - Code-based - Time-based - Delayed Icons for easy system status identification 
  • Dynamic network addressing 
  • Diagnostics - Real-time Flow Rate - Peak Flow Rate (can be reset) - Totalizer (can be reset) - Reserve Capacity - Use Since Last Regeneration - Last Regeneration - Identifiable Software Version - Total Number of Regenerations - Regeneration Interval - Last Settings Change - Error Log History - Average Daily Usage (per weekday, 3 month history)


Regeneration Type

  • Meter Delayed Fixed Reserve
  • Meter Immediate
  • Remote Signal Start Immediate
  • Time Clock Delayed

Regeneration Flow 

  • Downflow
  • Upflow fill first
  • Upflow brine first

Electrical Rating

  • 24V DC Power Supplies
  • 100V-240V AC input; 24V DC output

Generic Meter Guidelines

  • Open collector output
  • Pulse rate generated must not exceed 100 pulses per second (100Hz) or 6,000 pulses per minute
  • Support for meter outputs in the range of 1-255 gallons (25.5m3) for every 1-255 pulses
  • Metered must operate at 5 VDC
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