{"product_id":"haywardgaugeadapterecx12866hppecx12866","title":"Hayward Gauge Adapter | ECX12866","description":"\u003cdiv\u003e\n\u003ch1\u003eHayward ECX12866 Replacement Tank O-Ring for Perflex® DE Filters\u003c\/h1\u003e\n\u003cp\u003ePart # ECX12866 — a genuine Hayward replacement tank O-ring designed for Perflex® Extended-Cycle DE filter systems. This O-ring provides the primary seal between the upper and lower filter tank halves, ensuring a watertight and pressure-tight connection during operation.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eOEM Hayward tank O-ring engineered specifically for Perflex DE filter systems.\u003c\/li\u003e\n\u003cli\u003eForms a secure, leak-free seal between the filter tank halves.\u003c\/li\u003e\n\u003cli\u003eDurable elastomer construction resists pool chemicals, pressure cycling, and outdoor exposure.\u003c\/li\u003e\n\u003cli\u003eEnsures proper system pressure and prevents air intrusion that can reduce filtration efficiency.\u003c\/li\u003e\n\u003cli\u003eDirect replacement part requiring no modification for installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCompatible Models\u003c\/h2\u003e\n\u003cp\u003eThe ECX12866 O-ring is commonly used on Hayward Perflex DE filter models including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEC40 Series\u003c\/li\u003e\n\u003cli\u003eEC50 Series\u003c\/li\u003e\n\u003cli\u003eEC65 \/ EC65A Series\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTypical Applications\u003c\/h2\u003e\n\u003cp\u003eThis tank O-ring should be replaced when the filter begins showing signs of leakage at the tank band clamp, difficulty holding pressure, or air bubbles returning to the pool. Replacing a worn or flattened O-ring restores proper sealing and helps maintain the filter’s designed performance.\u003c\/p\u003e\n\u003ch2\u003eInstallation \u0026amp; Compatibility Notes\u003c\/h2\u003e\n\u003cp\u003eTurn off the pump and relieve all system pressure before servicing. Remove the tank clamp, separate the tank halves, and carefully extract the old O-ring. Clean the groove and sealing surfaces thoroughly. Apply a thin layer of pool-safe silicone lubricant to the new ECX12866 O-ring, seat it evenly in the groove, and reassemble the tank. Tighten the tank clamp per manufacturer guidelines and verify there are no leaks upon startup.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose This O-Ring?\u003c\/h2\u003e\n\u003cp\u003eThis genuine Hayward ECX12866 gasket maintains the original performance and reliability of your Perflex DE filter. Using OEM seals helps prevent unexpected leaks, reduces maintenance issues, and ensures the system operates at proper pressure for optimal filtration.\u003c\/p\u003e\n\u003ch2\u003eMaintenance Tips\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eInspect the tank O-ring at the start and end of each season for flattening, cracks, or chemical wear.\u003c\/li\u003e\n\u003cli\u003eAlways lubricate the O-ring with silicone-based lubricant to extend its lifespan and prevent pinching.\u003c\/li\u003e\n\u003cli\u003eCheck the tank clamp tension periodically to ensure an even, secure seal.\u003c\/li\u003e\n\u003cli\u003eReplace the O-ring any time the tank is disassembled for cleaning or major service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":46797803389103,"sku":"ECX12866","price":21.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6415\/2239\/files\/hayward-gauge-adapter-ecx12866-pool-filter-parts-3722573.jpg?v=1777067541","url":"https:\/\/freshized.com\/products\/haywardgaugeadapterecx12866hppecx12866","provider":"Freshized","version":"1.0","type":"link"}