D-D Funktion 3500 DC Pump

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D-D Funktion 3500 DC Pump

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D-D Funktion 3500 DC Pump

The D-D Funktion pumps are a multi-function DC pump with a unique digital controller, featuring three wave modes and a constant running setting. These pumps are suitable as a return pump or for running media reactors

Suitable for salt or freshwater use, the sine wave technology and low voltage motor offers ultra-low running noise, low heat output and energy efficiency.


  • Full range of high flow pumps with a compact footprint
  • Unique digital controller with 3 wave functions and a constant flow mode
  • Allows you to pulse your return for additional variable water movement in your aquarium
  • Sine wave technology for low running noise
  • Low voltage
  • Energy efficient motor
  • Suitable for saltwater and freshwater
  • Wear resistant ceramic shaft and bearings
  • Detachable footplate with anti vibration rubber feet
  • Splash proof connection between the pump and controller

Pulse Your Return:

Pulse your return using the special controller on PULSE mode, so that the water returning from your sump through your return nozzle into your aquarium acts as an additional source of variable flow. The change from the high and low flow on the pump is so rapid that the water level in the tank does not change, so you get no additional noise through the overflow.

Flexible Installation Options:

  • All models are fully submersible
  • Pump outlet can be positioned to face upwards, left or right
  • Standard suction cage included for normal submerged use
  • Quick couple unions included for simple pump removal
  • Multiple pipe connections included

Each pump comes with a special ‘Elephant Nose’ suction attachment included in the box. This suction nozzle allows you to draw water from the bottom of the tank or sump which removes the problem of surface vortices, reduces bubble carryover from the sump and scavenges detritus to be dispersed in the water for removal by your ClariSea.

Controller Features:

  • Unique multi-function digital controller with touch button pad
  • Back-lit LCD colour display with adjustable screen brightness
  • Multi-language display with screensaver
  • 4 different flow modes
  • Adjustable minimum and maximum power settings in wave and pulse modes.
  • Adjustable maximum power on pump mode
  • Feed mode and on/off functions
  • Run-dry detection with automatic shutdown function
  • Detachable mounting bracket

Wave Modes:

Can be set to run continuously for use as a standard return pump, or to feed fluidised reactors and other piece of equipment. The flow setting can be adjusted on the digital controller between the minimum and maximum power settings of 30 and 100.

A constant wave output Is created as the pump ramps up and down between a minimum and maximum power setting. The frequency and power settings can be changed on the controller to change the length and size of the wave.

The speed of the pump will alternate between a low and high power setting and can be used to set up a standing wave. The frequency and power settings can be changed on the controller.

Output of the pump will alternate and ramp between different power settings, at a varying frequency to form a random flow pattern. Ideal for stirring up detritus so it can be removed by filtration.


  • Maximum Flow Rate : 3500 L/H
  • Maximum Head Height : 3.5 M
  • Maximum Wattage : 28 W
  • Power Output : 24 V
  • Dimensions : 130mm (L) x 80mm (W) x 107mm (H) (Not including hose fitting)
  • Flexible Hose Adapters Included : 20mm x1 / 25mm x1
  • Rigid Pipe Adapters Included : 25mm x1

Funktion Pumps User Guide:

Funktion Pumps User Guide:

Additional information

Weight1.0 kg

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