{"product_id":"octo-varios-4-dc-return-pump","title":"OCTO VarioS 4 DC Return Pump","description":"\u003ch2\u003eOCTO VarioS 4 — Controllable return flow for your aquarium\u003c\/h2\u003e\u003cp\u003eThe VarioS 4 is a variable-speed DC pump for sump returns and circulation circuits. Suitable for marine and freshwater use, with submerged or external installation following the supplied instructions.\u003c\/p\u003e\u003ch3\u003eFrançois Neo’s recommendation\u003c\/h3\u003e\u003cp\u003eI choose a return pump by the flow it can deliver through the actual installation. Include lift height, pipe diameter, bends and manifold outlets in the calculation, then check the pump curve. Keep sump turnover separate from the circulation your corals need inside the display.\u003c\/p\u003e\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModel \/ SKU\u003c\/th\u003e\n\u003ctd\u003eVarioS 4 \/ VARIOS-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer maximum flow\u003c\/th\u003e\n\u003ctd\u003e4,000 L\/h \/ 1,056 GPH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer maximum head\u003c\/th\u003e\n\u003ctd\u003e4.5 m \/ approx. 14.8 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum power\u003c\/th\u003e\n\u003ctd\u003e40 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePump operating voltage\u003c\/th\u003e\n\u003ctd\u003e24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInstallation \/ water type\u003c\/th\u003e\n\u003ctd\u003eInternal or external \/ freshwater or marine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer connection designations\u003c\/th\u003e\n\u003ctd\u003eInlet 1¼ in; outlet 1 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003csmall\u003eRatings follow the Reef Octopus manufacturer technical table. Check the supplied US fittings before cutting pipe; regional adapters and published ratings may differ. Maximum flow and maximum head describe separate operating points.\u003c\/small\u003e\u003c\/p\u003e\u003ch3\u003eControl and construction\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eController with five selectable speed settings.\u003c\/li\u003e\n\u003cli\u003e15- or 60-minute feed pause.\u003c\/li\u003e\n\u003cli\u003e0–10 V input for compatible external aquarium control.\u003c\/li\u003e\n\u003cli\u003eCeramic shaft and bearings; adjustable outlet orientation.\u003c\/li\u003e\n\u003cli\u003eFloat switch and mounting hardware included.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCheck the required interface cable and controller compatibility before planning an automated installation.\u003c\/p\u003e\u003ch3\u003eWhat comes with the pump\u003c\/h3\u003e\u003cp\u003ePump, controller, power supply, mounting hardware and plumbing connections. The standard package also includes a float switch, intake screen and hose-barb adapter.\u003c\/p\u003e\u003ch3\u003eInstallation considerations\u003c\/h3\u003e\u003cp\u003eThe VarioS 4 is not pressure-rated. Reef Octopus excludes floor-to-floor pumping and applications such as Beckett or downdraft skimmer feeds requiring sustained pressure. Allow room for fittings, removal and impeller cleaning. Keep the controller and power supply dry, and test both drain-down and restart after installation.\u003c\/p\u003e\u003ch3\u003eTechnical documents\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.coralvue.com\/shop\/1042-octo-varios-4-controllable-return-pump\/document\/20\" target=\"_blank\" rel=\"noopener\"\u003eOfficial VarioS 4 specification sheet and performance diagrams (PDF)\u003c\/a\u003e · \u003ca href=\"https:\/\/reefoctopus.com\/product\/rodc-pumps-varios\/\" target=\"_blank\" rel=\"noopener\"\u003eManufacturer specifications\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/collections\/return-pumps\"\u003eCompare return pumps\u003c\/a\u003e · \u003ca href=\"\/collections\/return-pumps\/octo\"\u003eOCTO return pumps\u003c\/a\u003e · \u003ca href=\"\/collections\/octo\"\u003eExplore OCTO\u003c\/a\u003e · \u003ca href=\"\/pages\/contact\"\u003eAsk François Neo about your return plumbing\u003c\/a\u003e\u003c\/p\u003e","brand":"OCTO","offers":[{"title":"Default Title","offer_id":68391911719135,"sku":"VARIOS-4","price":404.24,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/0326\/5247\/files\/Octo_Vario.png?v=1794016952","url":"https:\/\/francoisneo.com\/products\/octo-varios-4-dc-return-pump","provider":"FrancoisNeo","version":"1.0","type":"link"}