{"product_id":"spider-gasket-40mm-mpv-astral","title":"Astralpool Spider Gasket 40mm Multiport Valve, 128mm 4-Spoke - Post Sept 2009 - 75916","description":"\u003ch3\u003eAstralpool Spider Gasket 40mm Multiport Valve, 128mm 4-Spoke - Post Sept 2009 - 75916\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003eWe keep these physically in stock for fast shipping or local pick-up, 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\u003cp\u003eGenuine spider gasket for Astralpool and Hurlcon 40mm multiport valves manufactured from September 2009 onwards. \u003cstrong\u003eThis is the single most common cause of water running to waste while the valve is set to Filter\u003c\/strong\u003e, and it costs a fraction of a complete valve.\u003c\/p\u003e\n\u003ch3\u003eMeasure Before You Order\u003c\/h3\u003e\n\u003cp\u003ePull your old gasket and check it against these two figures - they are what separate this gasket from the earlier one:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eOuter diameter: 128mm\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e4 spokes\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf your gasket does not match on both counts, you have a pre-September 2009 valve and this gasket will not seal. Send us a photo with a tape across it and we will confirm what fits.\u003c\/p\u003e\n\u003cp\u003eInspect the diverter while you are in there. It wears against this gasket, and a new gasket against a scored diverter will leak again before long.\u003c\/p\u003e\n\u003ch3\u003eWhich Multiport Valve Part Has Actually Failed?\u003c\/h3\u003e\n\u003cp\u003eA complete valve is rarely the cheapest fix. Match the symptom to the part before you order:\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSymptom\u003c\/th\u003e\n\u003cth\u003eUsual part\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater running to waste while set to Filter\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/spider-gasket-40mm-mpv-astral\"\u003eSpider gasket 75916\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHandle cracked, snapped or spinning freely\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/handle-astralpool-mpv-40-50mm\"\u003eHandle 75903\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHandle will not hold or return to position\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/spring-astral-mpv\"\u003eSpring 75912\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSight glass cracked, clouded or weeping\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/sight-glass-astralpool-mpv\"\u003eSight glass 75906\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure gauge dead, fogged or reading wrong\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/pressure-gauge-with-covers\"\u003ePressure gauge 75043\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiverter worn where it rides on the gasket\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/diverter-astralpool-40mm-mpv\"\u003eDiverter 75902\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop cover cracked or distorted\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/top-cover-astralpool-40mm-mpv\"\u003eTop cover 75901\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve body cracked or leaking from the body\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/body-astralpool-40mm-mpv\"\u003eBody 75900\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCheck the Age of Your Valve\u003c\/h3\u003e\n\u003cp\u003eAstralpool changed the 40mm multiport valve in September 2009. Parts are not interchangeable across that change. The quickest check is the spider gasket: \u003cstrong\u003ethe post-2009 valve uses a 128mm outer diameter, 4-spoke gasket.\u003c\/strong\u003e If yours does not match that, you have a pre-September 2009 valve - send us a photo and we will confirm what fits before you order.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eSuits Astralpool and Hurlcon 40mm multiport valves manufactured from September 2009 onwards, as fitted to filters including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEC550, EC650\u003c\/li\u003e\n\u003cli\u003eECA550, ECA650\u003c\/li\u003e\n\u003cli\u003eCA280\u003c\/li\u003e\n\u003cli\u003eFG604\u003c\/li\u003e\n\u003cli\u003eRX180, RX280\u003c\/li\u003e\n\u003cli\u003eHXF001\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOther models also use this valve. If your filter is not listed, send us a photo of the valve and we will confirm.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePart number: 75916\u003c\/li\u003e\n\u003cli\u003eComponent: spider gasket\u003c\/li\u003e\n\u003cli\u003eOuter diameter: 128mm\u003c\/li\u003e\n\u003cli\u003eSpokes: 4\u003c\/li\u003e\n\u003cli\u003ePort size: 40mm\u003c\/li\u003e\n\u003cli\u003eValve generation: September 2009 onwards\u003c\/li\u003e\n\u003cli\u003eBarcode: 9343609018108\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRelated Multiport Valve Parts\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/diverter-astralpool-40mm-mpv\"\u003eDiverter, 40mm MPV - 75902\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/handle-astralpool-mpv-40-50mm\"\u003eHandle, MPV 40mm \u0026amp; 50mm - 75903\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/sight-glass-astralpool-mpv\"\u003eSight Glass, MPV - 75906\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/spring-astral-mpv\"\u003eSpring, MPV - 75912\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/top-cover-astralpool-40mm-mpv\"\u003eTop Cover, 40mm MPV - 75901\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/body-astralpool-40mm-mpv\"\u003eBody, 40mm MPV - 75900\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/diffuser-astralpool-40mm-mpv\"\u003eDiffuser, 40mm MPV - 75910\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/pressure-gauge-with-covers\"\u003ePressure Gauge with Covers - 75043\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/mpv-40mm-suit-ec-filter\"\u003eComplete Multiport Valve 40mm, EC550 \/ EC650 - 76037\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I know if I need the post-2009 gasket?\u003c\/strong\u003e\u003cbr\u003eMeasure your old one. The post-September 2009 gasket has a 128mm outer diameter and 4 spokes. If yours does not match both, it is the earlier type - send us a photo and we will confirm what fits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWater runs to waste while the valve is on Filter. Is this the fix?\u003c\/strong\u003e\u003cbr\u003eAlmost always. A worn spider gasket is the most common cause of that symptom, and it is far cheaper than a complete valve.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShould I replace anything else at the same time?\u003c\/strong\u003e\u003cbr\u003eInspect the diverter, part 75902. It runs against this gasket, so if the sealing face is scored a new gasket will fail again quickly.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eManufacturer Catalogues, Diagrams \u0026amp; Part Numbers:\u003c\/span\u003e\u003c\/strong\u003e Need exploded views, spare part numbers, product numbers, diagrams, or more product information? See the manufacturer catalogues below.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e \u003ca href=\"https:\/\/hasp.com.au\/pages\/Astralpool_Catalogue_2026\"\u003eAstralpool Catalogue 2026\u003c\/a\u003e | \u003ca href=\"https:\/\/hasp.com.au\/pages\/Zodiac_Catalogue_2026\"\u003eZodiac Catalogue 2026\u003c\/a\u003e \u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eImportant Before Ordering:\u003c\/span\u003e\u003c\/strong\u003e Please ensure you order correctly. Confirm this product is suitable before ordering. Use the catalogues above, seek professional assistance, or \u003ca href=\"mailto:shop@hasp.com.au\"\u003econtact us\u003c\/a\u003e with photos of your existing part, model details, serial numbers, and any labels.\u003c\/p\u003e\n\u003cp\u003eAs with all products, these must be diagnosed and fitted by a qualified and experienced person.\u003c\/p\u003e\n\u003chr\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I know if I need the post-2009 gasket?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Measure your old one. The post-September 2009 gasket has a 128mm outer diameter and 4 spokes. If yours does not match both, it is the earlier type - send us a photo and we will confirm what fits.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Water runs to waste while the valve is on Filter. Is this the fix?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Almost always. A worn spider gasket is the most common cause of that symptom, and it is far cheaper than a complete valve.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Should I replace anything else at the same time?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Inspect the diverter, part 75902. It runs against this gasket, so if the sealing face is scored a new gasket will fail again quickly.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"FLUIDRA","offers":[{"title":"Default Title","offer_id":46836086472893,"sku":"75916","price":47.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0372\/5253\/files\/astralpool-spider-gasket-40mm-multiport-valve-128mm-4-spoke-post-sept-2009-75916-685.webp?v=1786939515","url":"https:\/\/hasp.com.au\/products\/spider-gasket-40mm-mpv-astral","provider":"Heater and Spa Parts","version":"1.0","type":"link"}