{"product_id":"o-ring-seal-for-astralpool-hurlcon-ql-420-ql-540-cartridge-filters","title":"Astralpool \/ Zodiac O Ring - Main Body Ql \u0026 Uf C","description":"\u003ch3\u003eAstralpool \/ Zodiac O Ring - Main Body Ql \u0026amp; Uf C\u003c\/h3\u003e\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 =========================\nO-Ring Seal for Astralpool \/ Hurlcon Viron QL420, QL540 \u0026amp; UF40\nSEO-optimised HTML for Shopify\n========================== \n\u003csection aria-label=\"Product overview: O-Ring Seal for Astralpool \/ Hurlcon Viron QL420, QL540 \u0026amp; UF40\"\u003e\n\u003ch3\u003eO-Ring Seal for Astralpool \/ Hurlcon Viron QL420, QL540 \u0026amp; UF40 Filters — Main Body to Lid Seal (#22)\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eReplacement main body\/lid O-ring\u003c\/strong\u003e for Astralpool \/ Hurlcon \u003cstrong\u003eViron QL420\u003c\/strong\u003e and \u003cstrong\u003eQL540\u003c\/strong\u003e cartridge filters. Also suits the \u003cstrong\u003eUF Ultra Fine UF40\u003c\/strong\u003e filter housing. Restores an airtight, watertight seal to prevent leaks, air ingress, and pressure loss.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExact fit:\u003c\/strong\u003e Viron QL420, QL540 \u0026amp; UF40 lid-to-body seal (diagram reference \u003cstrong\u003e#22\u003c\/strong\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable elastomer:\u003c\/strong\u003e resists pool chemicals, UV, and weathering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproves efficiency:\u003c\/strong\u003e maintains system pressure and filtration performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIY-friendly:\u003c\/strong\u003e quick install with basic tools and silicone lube.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAstralpool \/ Hurlcon \u003cstrong\u003eViron QL420\u003c\/strong\u003e Cartridge Filter\u003c\/li\u003e\n\u003cli\u003eAstralpool \/ Hurlcon \u003cstrong\u003eViron QL540\u003c\/strong\u003e Cartridge Filter\u003c\/li\u003e\n\u003cli\u003eAstralpool \u003cstrong\u003eUF Ultra Fine UF40\u003c\/strong\u003e Filter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eAlso known as:\u003c\/em\u003e lid O-ring, tank O-ring, body seal ring.\u003c\/p\u003e\n\u003ch3\u003eWhen to Replace\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWater weeping or drips around the lid clamp\u003c\/li\u003e\n\u003cli\u003eExcess bubbles in pump basket or pool returns (air leaks)\u003c\/li\u003e\n\u003cli\u003ePressure drop or priming issues after cartridge cleaning\u003c\/li\u003e\n\u003cli\u003eO-ring is flattened, cracked, swollen, or sticky\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n\u003cp\u003e1 × Main body\/lid O-ring seal for the models listed above.\u003c\/p\u003e\n\u003ch3\u003eInstallation (Quick Guide)\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eTurn off power and release pressure via the filter air bleed.\u003c\/li\u003e\n\u003cli\u003eRemove the clamp\/band and lift the lid straight up.\u003c\/li\u003e\n\u003cli\u003eClean the O-ring groove and seating surfaces (remove grit\/old grease).\u003c\/li\u003e\n\u003cli\u003eLightly coat the new O-ring with \u003cstrong\u003e100% silicone-based lubricant\u003c\/strong\u003e (avoid petroleum jelly).\u003c\/li\u003e\n\u003cli\u003eSeat O-ring evenly, refit lid, reinstall clamp per manufacturer specs.\u003c\/li\u003e\n\u003cli\u003eRe-pressurise and check for leaks.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eMaintenance tip:\u003c\/strong\u003e re-lubricate the O-ring at each cartridge clean.\u003c\/p\u003e\n\u003ch3\u003eRecommended Add-Ons\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/en-nz\/collections\/tools-and-lubricants\" rel=\"nofollow\"\u003eSilicone O-Ring Lubricant\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-nz\/collections\/filter-parts\" rel=\"nofollow\"\u003eReplacement Clamp\/Band\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-nz\/collections\/cleaning\" rel=\"nofollow\"\u003eFilter Cartridge Cleaner\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- Keyword helpers for search \u0026 AI (kept human-readable) --\u003e\n\u003cp class=\"sr-only\"\u003eKeywords: Astralpool Viron QL420 O-ring, QL540 lid seal, UF40 O-ring replacement, Astral\/Hurlcon cartridge filter body seal, pool filter spare parts Australia.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- =========================\nStructured Data (JSON-LD)\n- Pulls product fields from Shopify where possible\n========================== --\u003e\n\n\u003c!-- Optional FAQ rich results --\u003e\n\n\u003c!-- Optional HowTo rich results for installation --\u003e\n\n\u003ch3\u003eManufacturer Catalogues, Diagrams \u0026amp; Part Numbers\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eNeed exploded views, spare part numbers, product numbers, diagrams, or more product information? See the manufacturer catalogues:\n \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\n\u003c\/strong\u003e\u003c\/p\u003e","brand":"Astralpool","offers":[{"title":"Default Title","offer_id":45305801736381,"sku":"76316","price":147.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0372\/5253\/files\/astralpool-zodiac-o-ring-main-body-ql-uf-c-910.webp?v=1779157686","url":"https:\/\/heaterandspaparts.com.au\/en-nz\/products\/o-ring-seal-for-astralpool-hurlcon-ql-420-ql-540-cartridge-filters","provider":"Heater and Spa Parts","version":"1.0","type":"link"}