D-D Funktion DC Return Pumps
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The D-D Funktion DC Return Pumps deliver versatile performance with intelligent digital control. Three wave modes plus constant running give you precise flow customization for return lines, media reactors, or closed-loop systems (5000–20000 models). Sine wave technology and low-voltage motor design mean whisper-quiet operation, minimal heat generation, and reduced energy consumption—ideal for both saltwater and freshwater setups. Built for reliability and efficiency, these pumps keep your aquarium running smoothly without the noise or power draw of traditional alternatives.
Features
• 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 and corrosion resistant ceramic shaft and bearings
• Detachable footplate with anti vibration rubber feet
• Splash proof connection between the pump and controlle
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
• 5000, 6500, 10000, 15000 and 20000 models can be installed externally
• 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
Elephant Nose
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
Pump - Creates a steady flow that runs continuously giving a prevailing current and good movement in the open water areas of the aquarium, adjustable on the digital controller between the minimum and maximum power settings of 30 and 100. Ideal in a reef situation when multiple circulation pumps are in use, mixing this flow pattern with pumps running pulse, wave or random programs can ensure good flow throughout the aquarium. Also suited to planted aquariums or fish only aquariums where constant flow is beneficial.
Wave - A constant wave output is created as the pump ramps up and down between a minimum and maximum power setting giving a sine wave effect. The frequency and power settings can be changed on the controller to adjust the length and size of the wave. This flow pattern will create a gentle wave simulating deeper reef or calmer lagoon environments making it ideal for more LPS or soft coral dominated aquariums.
Storm - A completely random wave pattern is created by the controller simulating a chaotic reef environment where the flow is constantly changing. The pump will automatically switch between constant, pulse and wave patterns at different time intervals alternating its power settings. Ideal for stirring up detritus so it can be removed by filtration.
Pulse - 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. Pulse mode is well suited to corals that prefer high energy wave patterns such as those found on the reef crest.
FP2000
MAXIMUM FLOW RATE: 2000 L/H
MAXIMUM HEAD HEIGHT: 2.2m
MAXIMUM WATTAGE: 20W
POWER OUTPUT: 24V
RIGID PIPE ADAPTORS: N/A
FLEXIBLE HOSE ADAPTORS: 16mm / 20mm
FP3500
MAXIMUM FLOW RATE: 3500 L/H
MAXIMUM HEAD HEIGHT: 3.5m
MAXIMUM WATTAGE: 28W
POWER OUTPUT: 24V
RIGID PIPE ADAPTORS: 25mm
FLEXIBLE HOSE ADAPTORS: 25mm / 20mm
FP5000
MAXIMUM FLOW RATE: 5000 L/H
MAXIMUM HEAD HEIGHT: 4.0m
MAXIMUM WATTAGE: 40W
POWER OUTPUT: 24V
RIGID PIPE ADAPTORS: 25mm / 32mm / 40mm
FLEXIBLE HOSE ADAPTORS: 20mm / 25mm / 32mm
FP6500
MAXIMUM FLOW RATE: 6500 L/H
MAXIMUM HEAD HEIGHT: 4.5m
MAXIMUM WATTAGE: 48W
POWER OUTPUT: 24V
RIGID PIPE ADAPTORS: 25mm / 32mm / 40mm
FLEXIBLE HOSE ADAPTORS: 20mm / 25mm / 32mm
FP10000
MAXIMUM FLOW RATE: 10000 L/H
MAXIMUM HEAD HEIGHT: 6.0m
MAXIMUM WATTAGE: 80W
POWER OUTPUT: 24V
RIGID PIPE ADAPTORS: 25mm / 32mm / 40mm
FLEXIBLE HOSE ADAPTORS: 20mm / 25mm / 32mm
FP15000
MAXIMUM FLOW RATE: 15000 L/H
MAXIMUM HEAD HEIGHT: 7.0m
MAXIMUM WATTAGE: 120W
POWER OUTPUT: 24V
RIGID PIPE ADAPTORS: 40mm / 50mm
FLEXIBLE HOSE ADAPTORS: 32mm / 38mm / 50mm
FP20000
MAXIMUM FLOW RATE: 20000 L/H
MAXIMUM HEAD HEIGHT: 9.5m
MAXIMUM WATTAGE: 180W
POWER OUTPUT: 36V
RIGID PIPE ADAPTORS: 40mm / 50mm
FLEXIBLE HOSE ADAPTORS: 32mm / 38mm / 50mm
Dimensions
- FP2000: 89 × 66 × 105 mm (L x W x H)
- FP3500: 130 × 80 × 107 mm (L x W x H)
- FP5000, FP6500, & FP10000: 168 × 104 × 129 mm (L x W x H
- FP15000, FP20000: 250 × 126× 167 mm (L x W x H)
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Reviews
Reassuring to use an operator with tracked named-day delivery, exactly what you want when dealing with glass aquariums. Great range, great prices.
Tim England
24hr delivery of a pallet, for a complete marine aquarium. And two days before Christmas. No picking errors, best pricing and then great service with hour slot from UPN Pallet Network. Impressive!
Steve Lesson
Super happy with the tank, no issues whatsoever. The delivery was super fast too. (On the day of the delivery the delivery driver was absolutely amazing btw) Honestly cannot recommend enough 👌
Jonas Wolf
Nice searchable website, plenty of stock, reasonably priced next day delivery, well packaged. Slightly more detail would have been nice as I bought 32mm thinking that was the external diameter but I suspect most people buying these items would know that. :)
Jake
This was actually my first time ordering something from them wasn’t sure on how long I would get it said two days, but literally I ordered it and it came the next day. Packaging was amazing. Didn’t even pay next day delivery and I got the next day If you’re reading my review, give them a try. They don’t disappoint.
AJ
Such a great service. Bought a fish tank Ciano emotions 150 Pro and it's arrived very well packed just 2 days after purchase. After 2 weeks i had an issue with light power supply which has been replaced straight away after I reported that to customer service. They look afyer customers and always replied very quickly if you have any problem. Strongly recommended!!!
Mr NotYour Business
Received my tank on Friday the 13th absolutely perfect driver was really really good dropped it right outside my little doorstep because it was on the path. Very very pleased with my purchase tank is looking absolutely fantastic. Will definitely use you again absolutely brilliant thank you.
Alan Ogden
Just received another delivery from Charterhouse aquatics, this time salt and frozen food: best price, all info I needed and free delivery that is quick and quality. Keep up the good work. And I love the reward scheme too!