{"product_id":"d-d-funktion-dc-return-pump","title":"D-D Funktion DC Return Pump","description":"\u003ch2\u003eD-D Funktion Return Pumps\u003c\/h2\u003e \u003cp\u003eThe D-D Funktion Return Pumps are powerful, energy-efficient DC pumps equipped with a unique multi-function digital controller, delivering superb performance for a wide range of aquarium applications. Whether used as a main return pump, to run media reactors, or externally as a closed-loop system (5000–20000 models), these pumps provide reliable, consistent flow with ultra-low noise thanks to sine-wave motor technology. Fully submersible, saltwater-safe, and engineered with corrosion-resistant ceramic components, they offer quiet, dependable operation for both freshwater and marine environments.\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003ch3\u003eKey Benefits\u003c\/h3\u003e \u003cul\u003e \u003cli data-end=\"930\" data-start=\"850\"\u003e \u003cp data-end=\"930\" data-start=\"852\"\u003eQuiet, efficient water movement using low-voltage sine-wave motor technology\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"1019\" data-start=\"931\"\u003e \u003cp data-end=\"1019\" data-start=\"933\"\u003eCan function as a return pump, reactor feed pump, or closed-loop pump (5000+ models)\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"1093\" data-start=\"1020\"\u003e \u003cp data-end=\"1093\" data-start=\"1022\"\u003eDigital controller offers wave, pulse, storm, and constant flow modes\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"1191\" data-start=\"1094\"\u003e \u003cp data-end=\"1191\" data-start=\"1096\"\u003eEnhanced aquarium flow by pulsing the return line safely without altering display water level\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"1260\" data-start=\"1192\"\u003e \u003cp data-end=\"1260\" data-start=\"1194\"\u003eCorrosion-resistant ceramic bearings for long-lasting durability\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"1340\" data-start=\"1261\"\u003e \u003cp data-end=\"1340\" data-start=\"1263\"\u003eFlexible installation options, including external mounting on larger models\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e \u003c\/p\u003e \u003ch3\u003eCore Features\u003c\/h3\u003e \u003cul\u003e \u003cli data-end=\"1575\" data-start=\"1370\"\u003e \u003cp data-end=\"1575\" data-start=\"1372\"\u003e\u003cstrong data-end=\"1410\" data-start=\"1372\"\u003eMulti-Function Digital Controller:\u003c\/strong\u003e\u003cbr data-end=\"1413\" data-start=\"1410\"\u003eTouch-button control pad with LCD colour display, screensaver, adjustable brightness, multi-language support, four flow modes, feed mode, and on\/off function.\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"1749\" data-start=\"1576\"\u003e \u003cp data-end=\"1749\" data-start=\"1578\"\u003e\u003cstrong data-end=\"1605\" data-start=\"1578\"\u003eReturn-Line Pulse Mode:\u003c\/strong\u003e\u003cbr data-end=\"1608\" data-start=\"1605\"\u003eUse the controller to pulse your return, adding variable flow from the sump outlet without causing overflow noise or water-level changes.\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"1899\" data-start=\"1750\"\u003e \u003cp data-end=\"1899\" data-start=\"1752\"\u003e\u003cstrong data-end=\"1778\" data-start=\"1752\"\u003eFlexible Installation:\u003c\/strong\u003e\u003cbr data-end=\"1781\" data-start=\"1778\"\u003eFully submersible on all models; external installation available on FP5000, FP6500, FP10000, FP15000, and FP20000.\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"1994\" data-start=\"1900\"\u003e \u003cp data-end=\"1994\" data-start=\"1902\"\u003e\u003cstrong data-end=\"1935\" data-start=\"1902\"\u003eVersatile Output Positioning:\u003c\/strong\u003e\u003cbr data-end=\"1938\" data-start=\"1935\"\u003ePump outlet rotates to face upwards, left, or right.\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"2177\" data-start=\"1995\"\u003e \u003cp data-end=\"2177\" data-start=\"1997\"\u003e\u003cstrong data-end=\"2036\" data-start=\"1997\"\u003e‘Elephant Nose’ Suction Attachment:\u003c\/strong\u003e\u003cbr data-end=\"2039\" data-start=\"2036\"\u003eDraws water from the bottom of the sump\/tank to eliminate surface vortices, reduce bubble carryover, and lift detritus for filtration.\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"2322\" data-start=\"2178\"\u003e \u003cp data-end=\"2322\" data-start=\"2180\"\u003e\u003cstrong data-end=\"2201\" data-start=\"2180\"\u003eEasy Maintenance:\u003c\/strong\u003e\u003cbr data-end=\"2204\" data-start=\"2201\"\u003eDetachable footplate with anti-vibration feet, quick-couple unions, and multiple pipe connection options included.\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"2393\" data-start=\"2323\"\u003e \u003cp data-end=\"2393\" data-start=\"2325\"\u003e\u003cstrong data-end=\"2346\" data-start=\"2325\"\u003eSmart Protection:\u003c\/strong\u003e\u003cbr data-end=\"2349\" data-start=\"2346\"\u003eRun-dry detection with automatic shutdown.\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e \u003c\/p\u003e \u003ch3\u003eTechnical Specifications\u003c\/h3\u003e \u003ch4 data-end=\"2449\" data-start=\"2434\"\u003eFP2000\u003c\/h4\u003e \u003cul data-end=\"2598\" data-start=\"2450\"\u003e \u003cli data-end=\"2472\" data-start=\"2450\"\u003e \u003cp data-end=\"2472\" data-start=\"2452\"\u003eMax Flow: 2000 L\/h\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"2492\" data-start=\"2473\"\u003e \u003cp data-end=\"2492\" data-start=\"2475\"\u003eMax Head: 2.2 m\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"2514\" data-start=\"2493\"\u003e \u003cp data-end=\"2514\" data-start=\"2495\"\u003eMax Wattage: 20 W\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"2537\" data-start=\"2515\"\u003e \u003cp data-end=\"2537\" data-start=\"2517\"\u003ePower Output: 24 V\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"2561\" data-start=\"2538\"\u003e \u003cp data-end=\"2561\" data-start=\"2540\"\u003eRigid Adaptors: N\/A\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"2598\" data-start=\"2562\"\u003e \u003cp data-end=\"2598\" data-start=\"2564\"\u003eFlexible Adaptors: 16 mm \/ 20 mm\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003ch4 data-end=\"2615\" data-start=\"2600\"\u003eFP3500\u003c\/h4\u003e \u003cul data-end=\"2766\" data-start=\"2616\"\u003e \u003cli data-end=\"2638\" data-start=\"2616\"\u003e \u003cp data-end=\"2638\" data-start=\"2618\"\u003eMax Flow: 3500 L\/h\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"2658\" data-start=\"2639\"\u003e \u003cp data-end=\"2658\" data-start=\"2641\"\u003eMax Head: 3.5 m\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"2680\" data-start=\"2659\"\u003e \u003cp data-end=\"2680\" data-start=\"2661\"\u003eMax Wattage: 28 W\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"2703\" data-start=\"2681\"\u003e \u003cp data-end=\"2703\" data-start=\"2683\"\u003ePower Output: 24 V\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"2729\" data-start=\"2704\"\u003e \u003cp data-end=\"2729\" data-start=\"2706\"\u003eRigid Adaptors: 25 mm\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"2766\" data-start=\"2730\"\u003e \u003cp data-end=\"2766\" data-start=\"2732\"\u003eFlexible Adaptors: 25 mm \/ 20 mm\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003ch4 data-end=\"2783\" data-start=\"2768\"\u003eFP5000\u003c\/h4\u003e \u003cul data-end=\"2958\" data-start=\"2784\"\u003e \u003cli data-end=\"2806\" data-start=\"2784\"\u003e \u003cp data-end=\"2806\" data-start=\"2786\"\u003eMax Flow: 5000 L\/h\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"2826\" data-start=\"2807\"\u003e \u003cp data-end=\"2826\" data-start=\"2809\"\u003eMax Head: 4.0 m\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"2848\" data-start=\"2827\"\u003e \u003cp data-end=\"2848\" data-start=\"2829\"\u003eMax Wattage: 40 W\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"2871\" data-start=\"2849\"\u003e \u003cp data-end=\"2871\" data-start=\"2851\"\u003ePower Output: 24 V\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"2913\" data-start=\"2872\"\u003e \u003cp data-end=\"2913\" data-start=\"2874\"\u003eRigid Adaptors: 25 mm \/ 32 mm \/ 40 mm\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"2958\" data-start=\"2914\"\u003e \u003cp data-end=\"2958\" data-start=\"2916\"\u003eFlexible Adaptors: 20 mm \/ 25 mm \/ 32 mm\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003ch4 data-end=\"2975\" data-start=\"2960\"\u003eFP6500\u003c\/h4\u003e \u003cul data-end=\"3150\" data-start=\"2976\"\u003e \u003cli data-end=\"2998\" data-start=\"2976\"\u003e \u003cp data-end=\"2998\" data-start=\"2978\"\u003eMax Flow: 6500 L\/h\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"3018\" data-start=\"2999\"\u003e \u003cp data-end=\"3018\" data-start=\"3001\"\u003eMax Head: 4.5 m\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"3040\" data-start=\"3019\"\u003e \u003cp data-end=\"3040\" data-start=\"3021\"\u003eMax Wattage: 48 W\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"3063\" data-start=\"3041\"\u003e \u003cp data-end=\"3063\" data-start=\"3043\"\u003ePower Output: 24 V\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"3105\" data-start=\"3064\"\u003e \u003cp data-end=\"3105\" data-start=\"3066\"\u003eRigid Adaptors: 25 mm \/ 32 mm \/ 40 mm\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"3150\" data-start=\"3106\"\u003e \u003cp data-end=\"3150\" data-start=\"3108\"\u003eFlexible Adaptors: 20 mm \/ 25 mm \/ 32 mm\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003ch4 data-end=\"3168\" data-start=\"3152\"\u003eFP10000\u003c\/h4\u003e \u003cul data-end=\"3345\" data-start=\"3169\"\u003e \u003cli data-end=\"3193\" data-start=\"3169\"\u003e \u003cp data-end=\"3193\" data-start=\"3171\"\u003eMax Flow: 10,000 L\/h\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"3213\" data-start=\"3194\"\u003e \u003cp data-end=\"3213\" data-start=\"3196\"\u003eMax Head: 6.0 m\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"3235\" data-start=\"3214\"\u003e \u003cp data-end=\"3235\" data-start=\"3216\"\u003eMax Wattage: 80 W\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"3258\" data-start=\"3236\"\u003e \u003cp data-end=\"3258\" data-start=\"3238\"\u003ePower Output: 24 V\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"3300\" data-start=\"3259\"\u003e \u003cp data-end=\"3300\" data-start=\"3261\"\u003eRigid Adaptors: 25 mm \/ 32 mm \/ 40 mm\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"3345\" data-start=\"3301\"\u003e \u003cp data-end=\"3345\" data-start=\"3303\"\u003eFlexible Adaptors: 20 mm \/ 25 mm \/ 32 mm\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003ch4 data-end=\"3363\" data-start=\"3347\"\u003eFP15000\u003c\/h4\u003e \u003cul data-end=\"3533\" data-start=\"3364\"\u003e \u003cli data-end=\"3388\" data-start=\"3364\"\u003e \u003cp data-end=\"3388\" data-start=\"3366\"\u003eMax Flow: 15,000 L\/h\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"3408\" data-start=\"3389\"\u003e \u003cp data-end=\"3408\" data-start=\"3391\"\u003eMax Head: 7.0 m\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"3431\" data-start=\"3409\"\u003e \u003cp data-end=\"3431\" data-start=\"3411\"\u003eMax Wattage: 120 W\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"3454\" data-start=\"3432\"\u003e \u003cp data-end=\"3454\" data-start=\"3434\"\u003ePower Output: 24 V\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"3488\" data-start=\"3455\"\u003e \u003cp data-end=\"3488\" data-start=\"3457\"\u003eRigid Adaptors: 40 mm \/ 50 mm\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"3533\" data-start=\"3489\"\u003e \u003cp data-end=\"3533\" data-start=\"3491\"\u003eFlexible Adaptors: 32 mm \/ 38 mm \/ 50 mm\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003ch4 data-end=\"3551\" data-start=\"3535\"\u003eFP20000\u003c\/h4\u003e \u003cul data-end=\"3721\" data-start=\"3552\"\u003e \u003cli data-end=\"3576\" data-start=\"3552\"\u003e \u003cp data-end=\"3576\" data-start=\"3554\"\u003eMax Flow: 20,000 L\/h\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"3596\" data-start=\"3577\"\u003e \u003cp data-end=\"3596\" data-start=\"3579\"\u003eMax Head: 9.5 m\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"3619\" data-start=\"3597\"\u003e \u003cp data-end=\"3619\" data-start=\"3599\"\u003eMax Wattage: 180 W\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"3642\" data-start=\"3620\"\u003e \u003cp data-end=\"3642\" data-start=\"3622\"\u003ePower Output: 36 V\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"3676\" data-start=\"3643\"\u003e \u003cp data-end=\"3676\" data-start=\"3645\"\u003eRigid Adaptors: 40 mm \/ 50 mm\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"3721\" data-start=\"3677\"\u003e \u003cp data-end=\"3721\" data-start=\"3679\"\u003eFlexible Adaptors: 32 mm \/ 38 mm \/ 50 mm\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003ch4 data-end=\"3551\" data-start=\"3535\"\u003eFP Pro 30000 (NEW)\u003c\/h4\u003e \u003cul data-end=\"3721\" data-start=\"3552\"\u003e \u003cli data-end=\"3576\" data-start=\"3552\"\u003e \u003cp data-end=\"3576\" data-start=\"3554\"\u003eMax Flow: 30,000 L\/h\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"3596\" data-start=\"3577\"\u003e \u003cp data-end=\"3596\" data-start=\"3579\"\u003eMax Head: 10 m\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"3619\" data-start=\"3597\"\u003e \u003cp data-end=\"3619\" data-start=\"3599\"\u003eMax Wattage: 450 W\u003cbr\u003e\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"3676\" data-start=\"3643\"\u003e \u003cp data-end=\"3676\" data-start=\"3645\"\u003eRigid Adaptors: 50 mm \/ 62 mm\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eWho Is This Pump For?\u003c\/h3\u003e \u003cul data-end=\"4125\" data-start=\"3759\"\u003e \u003cli data-end=\"3823\" data-start=\"3759\"\u003e \u003cp data-end=\"3823\" data-start=\"3761\"\u003eReef keepers wanting advanced, controllable return-line flow\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"3897\" data-start=\"3824\"\u003e \u003cp data-end=\"3897\" data-start=\"3826\"\u003eMarine aquariums requiring ultra-quiet, energy-efficient return pumps\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"3982\" data-start=\"3898\"\u003e \u003cp data-end=\"3982\" data-start=\"3900\"\u003eSystems running media reactors or UV where dependable feed pressure is essential\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"4060\" data-start=\"3983\"\u003e \u003cp data-end=\"4060\" data-start=\"3985\"\u003eSumps needing bottom-draw suction to prevent bubbles and detritus buildup\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"4125\" data-start=\"4061\"\u003e \u003cp data-end=\"4125\" data-start=\"4063\"\u003eLarger installations needing optional external pump mounting\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e \u003c\/p\u003e \u003ch3\u003eAdditional Information\u003c\/h3\u003e \u003cp data-end=\"565\" data-start=\"195\"\u003eThe Funktion Return Pumps feature four fully controllable flow modes, giving you exceptional control over the movement within your aquarium. Each mode can be fine-tuned using the digital controller, allowing you to replicate everything from gentle lagoon sway to high-energy reef crest turbulence—all while maintaining stable sump levels and silent overflow performance.\u003c\/p\u003e \u003ch4 data-end=\"587\" data-start=\"567\"\u003ePump Mode\u003c\/h4\u003e \u003cp data-end=\"761\" data-start=\"588\"\u003eRuns continuously between your chosen minimum and maximum power settings (30–100), delivering a strong, steady return flow ideal for mixed-reef, FOWLR, or planted aquariums.\u003c\/p\u003e \u003ch4 data-end=\"783\" data-start=\"763\"\u003eWave Mode\u003c\/h4\u003e \u003cp data-end=\"1003\" data-start=\"784\"\u003eCreates a smooth sine-wave motion as the pump ramps up and down between adjustable power limits. Perfect for simulating deeper reef environments or calmer lagoon-style movement, especially suited to LPS and soft corals.\u003c\/p\u003e \u003ch4 data-end=\"1026\" data-start=\"1005\"\u003ePulse Mode\u003c\/h4\u003e \u003cp data-end=\"1180\" data-start=\"1027\"\u003eAlternates rapidly between low and high power to form a standing wave within the aquarium. Ideal for SPS corals and high-energy reef crest flow patterns.\u003c\/p\u003e \u003ch4 data-end=\"1203\" data-start=\"1182\"\u003eStorm Mode\u003c\/h4\u003e \u003cp data-end=\"1412\" data-start=\"1204\"\u003eGenerates a randomised, chaotic flow by switching automatically between constant, pulse, and wave patterns. Excellent for lifting detritus into the water column so it can be removed by your filtration system.\u003c\/p\u003e","brand":"D-D","offers":[{"title":"FP 2000","offer_id":49309350068378,"sku":"R63542","price":99.99,"currency_code":"GBP","in_stock":true},{"title":"FP 3500","offer_id":49309350101146,"sku":"R63543","price":114.99,"currency_code":"GBP","in_stock":true},{"title":"FP 5000","offer_id":49309350133914,"sku":"R63544","price":129.99,"currency_code":"GBP","in_stock":true},{"title":"FP 6500","offer_id":49309350166682,"sku":"R63545","price":149.99,"currency_code":"GBP","in_stock":true},{"title":"FP 10000","offer_id":49309350199450,"sku":"R63546","price":179.99,"currency_code":"GBP","in_stock":true},{"title":"FP 150000","offer_id":49309350232218,"sku":"R63547","price":289.99,"currency_code":"GBP","in_stock":true},{"title":"FP 20000","offer_id":49309350264986,"sku":"R63548","price":349.99,"currency_code":"GBP","in_stock":true},{"title":"FP Pro 30000","offer_id":49309350297754,"sku":"R63892","price":599.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0773\/9568\/9626\/files\/FP2000_Return_1_5f5f0da8-dc9e-426c-b2c6-2827b245be9b.png?v=1790160315","url":"https:\/\/coretarps.co.uk\/products\/d-d-funktion-dc-return-pump","provider":"My Store","version":"1.0","type":"link"}