Backflush Controllers

Netafim Backflush Controller

The Netafim Backflush Controller is a modular, user-friendly Backflush Controller for Automatic Filters. They are available in several options to fit your specific filtration application in both 24VAC and 12VDCL models.

Product Advantages

  • Modular controller is expandable from 1 to 10 outputs. Adding more outputs is quick and easy – no tools required.
  • Can be used with automatic disc filters, automatic sand media filters and automatic screen filters.
  • Flush cycle is triggered by time or pressure differential and each type of flush cycle is logged by the controller.
  • Design flexibility with an embedded pressure differential (PD) gauge or an external PD gauge.
  • Detection of continuous backflush cycles causes an alarm to sound.
  • User-friendly LCD display and keyboard.
  • Ability to manage a downstream pressure sustaining valve.
  • Flexible settings for pre-dwell, dwell and flush times allows programming to meet system requirements.


  • Outputs: 2, 4, 6, 8 or 10
  • Voltage: 12VDC Latching or 24VAC
  • Inputs: 1 Analog PD Gauge or 1 Digital PD Gauge
  • Power Source DC Model: 12V Battery or 4 ‘D’ Alkaline Batteries
  • Power Source AC Model: External Power Supply
  • High-Low PD Hydraulic Connectors
  • Operating Temperature: 32 – 140° F
  • Dimensions: Height 9 1/2″, Length 5 5/8″, Depth 3 1/4″, Weight 1.3 lbs

Alex-Tronix Backflush Controller

The Alex-Tronix Backflush Controller is available in several options to fit your specific filtration application in both 24VAC, 12VDC and 12VDCL models.

Product Advantages

  • Standard features include a pressure differential switch, flush time setting and dwell time setting.
  • Quick and easy programming.
  • Some controllers have counters and alarm settings.


  • Outputs: 2, 3, 4, 8 or 12
  • Voltage: 12VDC, 12VDC Latching or 24VAC
  • Refer to manufacturer’s instructions for installation