{"product_id":"volute-ctx-bskt-series-1","title":"Astralpool Volute (Wet End) \u0026 Basket - CTX Series 1 4007502","description":"\u003c!-- HASP-FLP-1.0 | SKU 4007502 | rule CTX-VOL-1.0 | canary: volute-s1-echo --\u003e\n\u003ch3\u003eAstralpool Volute (Wet End) \u0026amp; Basket - CTX Series 1 4007502\u003c\/h3\u003e\n\u003cp\u003eThis is the genuine Astralpool \u003cstrong\u003eSeries 1\u003c\/strong\u003e volute, part number \u003cstrong\u003e4007502\u003c\/strong\u003e, supplied with the basket. The volute is the main pump body (wet end) that houses the impeller, diffuser and basket. This is the \u003cstrong\u003eoriginal, old-style\u003c\/strong\u003e volute used on CTX and TX\/CX\/E pumps built \u003cstrong\u003ebefore August 2014\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003ePhysically Stocked, unlike most \"drop-shipping\" websites.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003eShipped from VIC, NSW, WA, QLD\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThree Generations — Order the Right One\u003c\/h3\u003e\n\u003cp\u003eAstralpool changed the CTX wet end twice. The volute and its matching seal plate must come from the same generation as your pump, or they will not bolt up and seal correctly. Identify your pump's era before ordering:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eGeneration\u003c\/th\u003e\n\u003cth\u003eVolute (wet end)\u003c\/th\u003e\n\u003cth\u003eSeal plate\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries 1 — old style, pre-Aug 2014\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e4007502 — this product\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4009002\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries 2 — Aug 2014 to 2018\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/volute-ctx-series2-aug14\"\u003e40097\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/seal-plate-series2-ctx-aug14-o\"\u003e40098\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMkII — Nov 2020 onwards\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/volute-3-viron-ctx-e-series\"\u003eSP40031\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/seal-plate-3-ctx-viron-nov-20\"\u003eSP40030\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eIf you are not sure which generation your pump is, \u003ca href=\"mailto:info@hasp.com.au\"\u003esend us a photo of the pump and its data plate\u003c\/a\u003e and we will identify it. This is an expensive part to order wrongly.\u003c\/p\u003e\n\n\u003ch3\u003eWhat the Volute Is\u003c\/h3\u003e\n\u003cp\u003eThe volute is the moulded pump body that the motor bolts onto. It holds the basket, the diffuser and the impeller, and forms the pressure chamber that converts the impeller's spin into water flow. It is replaced when the body is cracked, when a union or port thread has failed, or when the internal sealing faces are damaged beyond what a new seal plate and o-rings will fix.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Series 1 Parts\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4009002\u003c\/strong\u003e — seal plate, Series 1 old style (black)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e70004\u003c\/strong\u003e — square seal plate o-ring, old style EPDM (\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/astralpool-pump-body-o-ring-gasket\"\u003ebuy here\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e75508 \/ PS3868\u003c\/strong\u003e — mechanical seal, BX \/ TX \/ CX \/ E \/ CTX (\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/3-4-mechanical-seal\"\u003ebuy here\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40065\u003c\/strong\u003e — basket (\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/astralpool-hurlcon-pump-strainer-basket-tx-cx-ctx-p280-eco-e-series\"\u003ebuy here\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40089\u003c\/strong\u003e — lid complete with o-ring (\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/complete-lid-assembly-for-astralpool-hurlcon-pumps-ctx-cx-tx-e-viron-xt-also-aquatight\"\u003ebuy here\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e70006\u003c\/strong\u003e — lid o-ring (\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/lid-o-ring-for-astralpool-hurlcon-pumps-ctx-cx-tx\"\u003ebuy here\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eImpeller — sized to your CTX model, see the \u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/impeller-ctx-280-pump-cx280\"\u003eCTX impeller range\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I know if my pump is Series 1?\u003c\/strong\u003e\u003cbr\u003eSeries 1 pumps were built before August 2014. If your pump predates that, or the old seal plate is marked 4009002, you are on Series 1 and this is the correct volute. If unsure, send us a photo of the data plate.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I fit a Series 2 or MkII volute to a Series 1 pump?\u003c\/strong\u003e\u003cbr\u003eThe generations are not cross-compatible as a mix. The volute, seal plate and their o-rings changed together. Match the whole wet end to one generation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it come with the basket?\u003c\/strong\u003e\u003cbr\u003eYes, this part is supplied with the basket.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a genuine Astralpool part?\u003c\/strong\u003e\u003cbr\u003eYes. We are an authorised Astralpool and Fluidra dealer and warranty agent.\u003c\/p\u003e\n\n\u003ch3\u003eManufacturer Catalogues, Diagrams \u0026amp; Part Numbers\u003c\/h3\u003e\n\u003cp\u003eNeed exploded views, spare part numbers, product numbers or diagrams? See the manufacturer catalogue: \u003ca href=\"https:\/\/hasp.com.au\/pages\/Astralpool_Catalogue_2026\"\u003eAstralpool Catalogue 2026\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBefore ordering:\u003c\/strong\u003e confirm this part is correct for your pump. Use the catalogue above, seek professional assistance, or \u003ca href=\"mailto:info@hasp.com.au\"\u003econtact us\u003c\/a\u003e with photos of your existing part, model details, serial numbers and any labels. As with all products, this must be diagnosed and fitted by a qualified and experienced person. This is a \u003ca href=\"https:\/\/heaterandspaparts.com.au\/policies\/refund-policy\" rel=\"noopener\" target=\"_blank\"\u003especial-order\u003c\/a\u003e item.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eCommon search terms: Astralpool 4007502, CTX volute Series 1, CTX wet end old style, Astral Hurlcon CTX pump body, pre-2014 CTX volute.\u003c\/em\u003e\u003c\/p\u003e\n\u003c!-- HASP-FLP-1.0 end | canary: volute-s1-echo --\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How do I know if my pump is Series 1?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Series 1 pumps were built before August 2014. If your pump predates that, or the old seal plate is marked 4009002, you are on Series 1 and this is the correct volute. If unsure, send us a photo of the data plate.\"}},{\"@type\":\"Question\",\"name\":\"Can I fit a Series 2 or MkII volute to a Series 1 pump?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The generations are not cross-compatible as a mix. The volute, seal plate and their o-rings changed together. Match the whole wet end to one generation.\"}},{\"@type\":\"Question\",\"name\":\"Does it come with the basket?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, this part is supplied with the basket.\"}},{\"@type\":\"Question\",\"name\":\"Is this a genuine Astralpool part?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. We are an authorised Astralpool and Fluidra dealer and warranty agent.\"}}]}]}\n\u003c\/script\u003e","brand":"FLUIDRA","offers":[{"title":"Default Title","offer_id":46836085391549,"sku":"4007502","price":620.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0372\/5253\/files\/astralpool-volute-wet-end-basket-ctx-series-1-4007502-pool-pump-parts-833.webp?v=1784679690","url":"https:\/\/heaterandspaparts.com.au\/zh-hant\/products\/volute-ctx-bskt-series-1","provider":"Heater and Spa Parts","version":"1.0","type":"link"}