{"product_id":"fluval-104-204-impeller-assembly-curved-fans","title":"Fluval 104 204 Impeller Assembly (Curved Fans)","description":"\u003cp\u003e\u003cstrong\u003eFixes a noisy, weak or seized Fluval 104 or 204 without replacing the whole motor head.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis is the genuine Fluval curved-blade magnetic impeller, part A20110, for the 104 and 204 power filters. It's the spinning rotor that draws water through the canister — the single part most responsible for flow, and the first thing to check on a filter that's gone quiet, noisy or slow. This is the impeller only; it does not include the ceramic shaft it spins on.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Fluval A20110\u003c\/strong\u003e — the curved-blade magnetic impeller fitted to the 104 and 204, not a generic aftermarket fan.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurved-blade design\u003c\/strong\u003e — the 104\/204 use a curved fan profile, different from the flat-blade impeller fitted to the 105\/106\/205\/206 — fitting the wrong one costs flow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestores flow after wear\u003c\/strong\u003e — magnets weaken and blade edges chip with age, both of which quietly reduce output long before the filter stops altogether.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect fit, no tools\u003c\/strong\u003e — lifts off the ceramic shaft and the new one slides on in its place.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer part number\u003c\/th\u003e\n\u003ctd\u003eA20110\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold as\u003c\/th\u003e\n\u003ctd\u003eImpeller only (no shaft)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBlade profile\u003c\/th\u003e\n\u003ctd\u003eCurved\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\u003eTools required\u003c\/th\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eWill it fit my filter?\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFilter model\u003c\/th\u003e\n\u003cth\u003eTakes A20110 (curved)\u003c\/th\u003e\n\u003cth\u003eNote\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e104\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eOriginal power filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e204\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eOriginal power filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e105 \/ 205\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eTake the flat-blade impeller, part A20111\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e106 \/ 206 \/ 107 \/ 207\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eDifferent impeller and shaft assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003eFitting the flat-blade A20111 impeller to a 104 or 204, or this curved impeller to a 105 or 205, is a common mix-up between near-identical parts — check the blade shape on the old part against the table above before ordering.\u003c\/p\u003e\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003e1 x curved-blade magnetic impeller\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch3\u003eNot included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe ceramic shaft.\u003c\/strong\u003e The impeller spins on a separate ceramic shaft, sold individually.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe impeller cover.\u003c\/strong\u003e The cover that retains the impeller in the motor head is a separate part.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\n\u003cp\u003eSuitable for a 104 or 204 that's noisy, buzzing, running slow, or not spinning at all, and for a chipped or cracked impeller found during a service. Not suitable for the 105, 205, 106, 206, 107 or 207, which take different impellers, and it will not fix flow loss caused by a worn shaft — if the impeller wobbles or grinds on a shaft that looks fine, replace the shaft as well.\u003c\/p\u003e\n\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\n\u003cp\u003eRinse the impeller and its well at each service; a build-up of grit between the magnet and the housing is a common cause of a filter that runs noisy despite an undamaged impeller. Spin it by hand after refitting — it should turn freely with no scraping.\u003c\/p\u003e\n\u003ch3\u003eGoes well with\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/fluval-104-105-106-204-205-206-impeller-assembly-flat-fans\"\u003e104\/105\/106 \u0026amp; 204\/205\/206 flat-blade impeller\u003c\/a\u003e — the correct part if your filter turns out to be a 105 or 205, not a 104 or 204\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/fluval-204-205-206-impeller-cover\"\u003e204\/205\/206 impeller cover\u003c\/a\u003e — check for cracks here if the impeller keeps lifting out of position\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\n\u003cp\u003eSupplied as a genuine Fluval replacement part. Your rights under the Australian Consumer Law apply in full and nothing here limits them. No separate manufacturer warranty term is quoted on moulded service parts. Ships as a standard small parcel anywhere in Australia.\u003c\/p\u003e\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003ch4\u003eHow do I know if my filter has a curved or flat impeller?\u003c\/h4\u003e\n\u003cp\u003eTake the old impeller out and look at the fan blades side-on. A curved profile means the 104 or 204 and this part. A flat profile means the 105\/106\/205\/206 and part A20111 instead.\u003c\/p\u003e\n\u003ch4\u003eDoes this include the shaft?\u003c\/h4\u003e\n\u003cp\u003eNo. This is the impeller only. The ceramic shaft it rotates on is a separate part — replace both together if the shaft is worn or scored.\u003c\/p\u003e\n\u003ch4\u003eMy filter is silent and not pumping at all — is it the impeller?\u003c\/h4\u003e\n\u003cp\u003eIt's the most common cause, but check the magnet hasn't simply come free of the blades, and that the impeller well isn't jammed with debris, before assuming the part has failed.\u003c\/p\u003e\n\u003ch4\u003eWill a new impeller fix a filter that leaks?\u003c\/h4\u003e\n\u003cp\u003eNo. The impeller affects flow, not sealing. A leak points to the motor head O-ring or the canister seal instead.\u003c\/p\u003e","brand":"Fluval","offers":[{"title":"Default Title","offer_id":55293313024291,"sku":"SP259","price":28.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/SP259.png?v=1786056139","url":"https:\/\/nicksaquariumoceanariumterrarium.com.au\/products\/fluval-104-204-impeller-assembly-curved-fans","provider":"Nicks Aquarium Oceanarium Terrarium","version":"1.0","type":"link"}