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Hydor Seltz D 750 DC Pump - 750 GPH


Item #: HD3503

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The Hydor Seltz D DC is a high-performance, multipurpose, energy-saving pump with controllable flow. The included controller allows you to adjust the water flow to your systems needs whether it be for reservoirs, refugium, biological filter or general circulation use in fresh or salt water tanks.

Supplied with pre-filter and multi-diameter hose barb fitting to suit your plumbing needs, the Seltz D DC is perfect for almost any application you can throw at it, submerged or in-line.


  • DC controllable pump
  • 6-pole motor
  • High flow efficiency
  • 5 minute feeding timer
  • Use in submerged or in-line installation applications

Spec Comparison

Model: Seltz D 500 DC Seltz D 750 DC Seltz D 1000 DC Seltz D 1600 AC Seltz D 2400 AC Seltz D 3200 AC
Dimensions: 4.7" x 2.6" x 3.7" 6.4" x 3.1" x 4.3" 6.4" x 3.1" x 4.3" 7.6" x 3.5" x 4.7" 8.26" x 3.5" x 4.7" 8.26" x 3.5" x 4.7"
Max Flow Rate: 500 gph 750 gph 1000 gph 1600 gph 2400 gph 3200 gph
Max Head Pressure: 6.2` 8.9` 12.5` 13.5` 15.1` 16`
Wattage: 23 W 26 W 32 W 60 W 75 W 90 W
Cable Length: 6.6` 6.6` 6.6` 6` 6` 6`


  • Seltz D DC Pump
  • 1 x multi-diameter outlet hose connector
  • 2 x intake ring nuts
  • 1 x intake cage
  • 1 x multi-speed controller

Manufacturer information

Hydor has been producing a comprehensive range of equipment for aquariums and ponds since 1984 and offers the best in high-technology for the creation of a living ecosystem at home. The factory has developed thanks to the engineering competence of its founder and its continuous growth is based on the investment it has made in research and the development of innovative technical appliances. A competitive and dynamic structure of more than 150 employees regularly engages in the implementation of products which meet the demands of 50 nations and keep pace with the evolution of the world markets. The global quality is not a simple working method but a daily expression of mind.

5 Stars


Reviewed on
April 08, 2020

Yes, I would recommend this.

Very good return pump

Pros: Very nice pump with 5 min pause for feeding

Cons: Just another pro, my tank is 2/3 degrees cooler now

This pump has been the only change in my tank this and removing the old mag drive 7 water pump my tank has dropped in temp from over 2/3 degrees heat is my big problem living in florida make sure you have up to date pumps as they do create heat this one not very much

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