{"product_id":"fluval-u3-internal-filter-motor-unit","title":"Fluval U3 Internal Filter Motor Unit","description":"\u003cp\u003e\u003cstrong\u003eGenuine Fluval spare — brings a dead U3 back to life.\u003c\/strong\u003e This is the complete factory motor unit for the Fluval U3 internal aquarium filter: the sealed pump assembly that drives water through the media stack and restores the filter's full 600 litres per hour. If your U3 has stopped, lost most of its flow, or turned into a grinding rattle that a clean and a new impeller did not fix, this is the part that saves you replacing the whole filter.\u003c\/p\u003e\u003ch3\u003eWhat it fixes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo flow at all\u003c\/strong\u003e — the filter powers on but moves nothing, or will not power on\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeak flow\u003c\/strong\u003e that a clean, a new impeller and a clear intake did not restore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrinding or rattling\u003c\/strong\u003e that persists after the impeller and shaft have been replaced\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater ingress\u003c\/strong\u003e into the motor housing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBefore you replace the motor\u003c\/h3\u003e\u003cp\u003eMost dead U3s are not dead motors. Work through these first — it is a cheaper fix and takes ten minutes.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePull the impeller and check for hair, gravel or a snapped shaft. A seized impeller is the most common cause by a distance\u003c\/li\u003e\n\u003cli\u003eDescale the impeller well with a soft brush. In hard water, limescale binds impellers solid\u003c\/li\u003e\n\u003cli\u003eConfirm the intake grille and outlet are not blocked\u003c\/li\u003e\n\u003cli\u003eIf the filter still will not run after all three, the motor unit is the answer\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003ctd\u003eFluval U3 internal filter only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePart number\u003c\/th\u003e\n\u003ctd\u003ePF133D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIncludes\u003c\/th\u003e\n\u003ctd\u003eComplete sealed motor unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRestores\u003c\/th\u003e\n\u003ctd\u003e600 L\/h output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003ctd\u003e7.5 W at 240 V \/ 50 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWater type\u003c\/th\u003e\n\u003ctd\u003eFreshwater and marine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitting difficulty\u003c\/th\u003e\n\u003ctd\u003eEasy — no tools required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eFits the Fluval U3 only.\u003c\/strong\u003e Motor units for the U1, U2 and U4 are different parts and are not interchangeable. Check the model number moulded into the filter body before ordering.\u003c\/p\u003e\u003cp\u003eThis is \u003cstrong\u003enot\u003c\/strong\u003e the impeller assembly. If you only need the impeller and ceramic shaft, that is a separate and considerably cheaper part.\u003c\/p\u003e\u003ch3\u003eAbout the U3\u003c\/h3\u003e\u003cp\u003eThe Fluval U3 is a three-stage internal filter rated for aquariums up to 150 litres, moving 600 litres per hour on 7.5 W. It runs foam pads, poly\/carbon cartridges and BIOMAX biological rings, with three-way adjustable flow — top output for surface circulation, a spray bar for even flow, and bottom output for deepwater agitation. It suits freshwater, marine and reptile setups.\u003c\/p\u003e\u003ch3\u003eGoes well with\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFluval U3 Impeller Assembly\u003c\/strong\u003e — try this first, it is the cheaper fix and usually the culprit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFluval U Clean \u0026amp; Clear Cartridge\u003c\/strong\u003e — worth replacing while the filter is apart\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFluval U3 Foam Insert\u003c\/strong\u003e — the same visit, the same five minutes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eGenuine Fluval part, covered by the manufacturer's warranty against defects. This is in addition to your rights under the Australian Consumer Law, which cannot be excluded.\u003c\/p\u003e\u003cp\u003e240 V \/ 50 Hz. Ships as a standard parcel.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eWill a U2 or U4 motor unit fit my U3?\u003c\/h4\u003e\u003cp\u003eNo. Each filter in the U series has its own motor unit and they are not interchangeable. The model number is moulded into the filter body.\u003c\/p\u003e\u003ch4\u003eShould I replace the impeller or the whole motor?\u003c\/h4\u003e\u003cp\u003eThe impeller first. It is cheaper and it is the cause most of the time. Replace the motor unit only when a new impeller and a full clean do not restore flow.\u003c\/p\u003e\u003ch4\u003eDo I need tools?\u003c\/h4\u003e\u003cp\u003eNo. The U3 comes apart by hand.\u003c\/p\u003e\u003ch4\u003eIs it safe in a marine tank?\u003c\/h4\u003e\u003cp\u003eYes. The U3 and its motor unit are rated for freshwater and marine use.\u003c\/p\u003e","brand":"Fluval","offers":[{"title":"Default Title","offer_id":55293309813027,"sku":"PF133D","price":97.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/fluval-u3-internal-filter-mo-43875501834531.webp?v=1790236916","url":"https:\/\/nicksaquariumoceanariumterrarium.com.au\/products\/fluval-u3-internal-filter-motor-unit","provider":"Nicks AOT","version":"1.0","type":"link"}