{"product_id":"o-ring-tank-body-rx-mpv","title":"Astralpool \/ Hurlcon O-Ring, Multiport Valve to Tank Body - RX180, RX280, RX320, RX360, RX400, RX500 - 75058","description":"\u003ch3\u003eAstralpool \/ Hurlcon O-Ring, Multiport Valve to Tank Body - RX Sand Filters - 75058\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 Astralpool 75058 O-ring, item 10 on the RX multiport valve diagram. It sits between the base of the multiport valve and the neck of the filter tank, and is compressed by the V clamp set when the valve is bolted down. This is the seal that fails when water weeps from the joint where the valve meets the tank.\u003c\/p\u003e\n\u003ch3\u003eWhich Filters This Suits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAstralpool \/ Hurlcon RX sand filters:\u003c\/strong\u003e RX180, RX280, RX320, RX360, RX400 and RX500.\u003c\/li\u003e\n\u003cli\u003eThe same O-ring is supplied with the complete 40mm valve \u003ca href=\"\/products\/mpv-40mm-rx-fg-e-filter\"\u003e76032\u003c\/a\u003e and the complete 50mm valve \u003ca href=\"\/products\/mpv-50mm-rx-fg-e-filter\"\u003e76033\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eOther Astralpool filter families use a different seal. The ECA550 and ECA650 use \u003ca href=\"\/products\/o-ring-eca-ebric-lid-green\"\u003e7201750057\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf you are not certain, send us photos of your existing valve and the filter model label and we will confirm which one you need.\u003c\/p\u003e\n\u003ch3\u003eWhen to Replace It\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWater weeping or dripping from the join between the multiport valve and the tank.\u003c\/li\u003e\n\u003cli\u003eThe O-ring has gone flat, hard, or has splits or nicks in it.\u003c\/li\u003e\n\u003cli\u003eAny time the multiport valve is removed from the tank, as a matter of course.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAlways shut the pump down and release filter pressure before removing the V clamp set and lifting the valve off the tank.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePart number: 75058\u003c\/li\u003e\n\u003cli\u003eDiagram reference: item 10, RX multiport valve\u003c\/li\u003e\n\u003cli\u003ePosition: multiport valve to filter tank body\u003c\/li\u003e\n\u003cli\u003eFilter family: Astralpool \/ Hurlcon RX sand filters\u003c\/li\u003e\n\u003cli\u003eBrand: Astralpool \/ Hurlcon (Fluidra)\u003c\/li\u003e\n\u003cli\u003eBarcode: 9343609060411\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRelated RX Multiport Valve Parts\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/astralpool-rx-mpv\"\u003eRX Multiport Valve Parts - unions, tails, tank O-ring, V clamp, 40mm and 50mm valves\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/v-clamp-set-rx-mpv\"\u003eV Clamp Set, Multiport Valve to Tank - 75010\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/v-clamp-bolt-rx-mpv\"\u003eV Clamp Bolt - 4020001\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mpv-40mm-rx-fg-e-filter\"\u003eMultiport Valve 40mm Complete - 76032\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mpv-50mm-rx-fg-e-filter\"\u003eMultiport Valve 50mm Complete - 76033\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/spider-gasket-40mm-mpv-astral\"\u003eSpider Gasket 40mm Multiport Valve - 75916\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/handle-astralpool-mpv-40-50mm\"\u003eHandle 40mm \u0026amp; 50mm Multiport Valve - 75903\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/sight-glass-astralpool-mpv\"\u003eSight Glass Multiport Valve - 75906\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/gasket-mpv-for-sightglass\"\u003eSight Glass O-Ring - 75917\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhere does the 75058 O-ring sit?\u003c\/strong\u003e\u003cbr\u003eBetween the bottom of the multiport valve and the neck of the filter tank. It is item 10 on the RX parts diagram, directly above the tank and below the valve.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWater is leaking where the valve meets the tank. Is this the part?\u003c\/strong\u003e\u003cbr\u003eUsually yes. A flat, split or perished tank body O-ring is the normal cause of a weep at that joint. Check the V clamp set and its bolt at the same time, because a distorted clamp or a loose bolt will let a good O-ring leak.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this suit a CA, ECA, EC or Cantabric filter?\u003c\/strong\u003e\u003cbr\u003eNo. Those ranges use different seals. Confirm the filter family on the tank label before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShould I replace it whenever I open the filter?\u003c\/strong\u003e\u003cbr\u003eIt is good practice. The O-ring takes a compression set once it has been clamped down, and refitting a used one is a common cause of a leak straight after a media change.\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\": \"Where does the Astralpool 75058 O-ring sit?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Between the bottom of the multiport valve and the neck of the filter tank. It is item 10 on the RX parts diagram, directly above the tank and below the valve.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Water is leaking where the valve meets the tank. Is this the part?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Usually yes. A flat, split or perished tank body O-ring is the normal cause of a weep at that joint. Check the V clamp set and its bolt at the same time, because a distorted clamp or a loose bolt will let a good O-ring leak.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Does the 75058 suit a CA, ECA, EC or Cantabric filter?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"No. Those ranges use different seals. Confirm the filter family on the tank label before ordering.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Should I replace it whenever I open the filter?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"It is good practice. The O-ring takes a compression set once it has been clamped down, and refitting a used one is a common cause of a leak straight after a media change.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"Astralpool","offers":[{"title":"Default Title","offer_id":68032211615933,"sku":"75058","price":28.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0372\/5253\/files\/astralpool-hurlcon-o-ring-multiport-valve-to-tank-body-rx180-rx280-rx320-rx360-rx400-rx500-75058-344.webp?v=1793190083","url":"https:\/\/hasp.com.au\/products\/o-ring-tank-body-rx-mpv","provider":"Heater and Spa Parts","version":"1.0","type":"link"}