{"product_id":"zodiac-tank-o-ring-replacement-r0357800-for-cv-cl-dev-del-filters-direct-fit-leak-sealing","title":"Zodiac Tank O-Ring Replacement R0357800 for CV\/CL \u0026 DEV\/DEL Filters — Direct-Fit, Leak-Sealing","description":"\u003cp\u003e\u003cstrong\u003eThe Zodiac R0357800 is a direct-fit replacement tank O-ring engineered to restore a watertight seal on select Zodiac CV and CL cartridge filters and Jandy DEV\/DEL D.E. filters.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis replacement O-ring is made to exact dimensions for a seamless fit with Zodiac cartridge filter models CV340, CV460, CV580 and CL340, CL460, CL580, and is also compatible with Zodiac Jandy DEV and DEL series D.E. filters DEV48, DEV60, DEL48, DEL60. Replacing a worn or cracked tank O-ring prevents leaks at the filter lid joint, preserves system pressure, and helps maintain efficient filtration without requiring a full tank replacement.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I know this O-ring fits my Zodiac filter?\u003c\/h3\u003e\n\n\u003cp\u003eIf you own one of the listed CV or CL cartridge models or the DEV\/DEL D.E. models, the R0357800 matches the factory tank O-ring dimensions and material. Check your filter model number stamped on the tank or in the owner’s manual to confirm compatibility before ordering.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCompatible models: CV340, CV460, CV580; CL340, CL460, CL580; DEV48, DEV60; DEL48, DEL60.\u003c\/li\u003e\n  \u003cli\u003eDesigned as a direct replacement for the original Zodiac tank O-ring.\u003c\/li\u003e\n  \u003cli\u003eMeasure existing ring or consult product manual if uncertain.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat problem does replacing the tank O-ring solve?\u003c\/h3\u003e\n\n\u003cp\u003eA failing tank O-ring is a common source of leaks, loss of prime, and reduced system pressure in pool and spa filtration systems. Installing the R0357800 restores the lid-to-tank seal so your pump and filter can operate at the intended pressure and efficiency.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eStops water leaks at the filter lid joint to protect surrounding equipment and decking.\u003c\/li\u003e\n  \u003cli\u003eHelps maintain correct pressure for effective cartridge or D.E. filtration.\u003c\/li\u003e\n  \u003cli\u003ePrevents air ingestion that can cause pump cavitation and reduced flow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install the Zodiac R0357800 tank O-ring?\u003c\/h3\u003e\n\n\u003cp\u003eInstallation is straightforward: drain and depressurize the filter, remove the tank lid, clean the O-ring groove, replace the old ring with the new Zodiac O-ring, and reassemble. Use a light silicone lubricant designed for pool O-rings to ease seating and prolong life—avoid petroleum-based products.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eAlways turn off power and release filter pressure before opening the tank.\u003c\/li\u003e\n  \u003cli\u003eClean the groove and inspect mating surfaces for nicks or debris.\u003c\/li\u003e\n  \u003cli\u003eApply a thin coat of compatible silicone lubricant to the new O-ring before seating.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat is this O-ring made from and how long will it last?\u003c\/h3\u003e\n\n\u003cp\u003eThe R0357800 is manufactured to Zodiac’s OEM specifications for durability in outdoor pool environments. Lifespan depends on chlorine levels, sunlight exposure, and maintenance, but a timely replacement when cracks or flattening appear will prevent leaks and protect system integrity.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eOEM-quality material suited for pool and spa conditions.\u003c\/li\u003e\n  \u003cli\u003eResists compression set when properly lubricated and seated.\u003c\/li\u003e\n  \u003cli\u003eReplace as part of routine filter maintenance or when damage is observed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Pool and spa owners, service technicians, and facility maintenance teams using Zodiac CV\/CL cartridge filters or Jandy DEV\/DEL D.E. filters who need an exact-fitting tank O-ring to stop leaks and restore filtration efficiency. If you want a quick, cost-effective repair that avoids replacing the entire filter tank and keeps your system running as intended, the Zodiac R0357800 is the appropriate OEM replacement part.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003ePackage details:\u003c\/em\u003e Outdoor living supplies; package dimensions approximately 13.716 L x 14.732 W x 41.148 H cm; package weight ~0.499 kg; made in the United States.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this O-ring on non-Zodiac filters?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It's designed for specific Zodiac CV\/CL and Jandy DEV\/DEL models; verify dimensions and compatibility before using on other brands.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need special tools to replace the tank O-ring?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No special tools required—just depressurize, remove the lid, clean the groove, fit the new O-ring, and lubricate lightly.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Zodiac","offers":[{"title":"Default Title","offer_id":56799299371348,"sku":"B00523KYHY","price":94.66,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/zodiac-r0357800-front-o-ring.jpg?v=1786730803","url":"https:\/\/gardenluxe.co.uk\/products\/zodiac-tank-o-ring-replacement-r0357800-for-cv-cl-dev-del-filters-direct-fit-leak-sealing","provider":"Gardenluxe Uk","version":"1.0","type":"link"}