{"product_id":"hayward-dex4820btc-filter-head-with-clamp-system","title":"Hayward DEX4820BTC Filter Head With Clamp System","description":"\u003cp\u003e\u003cstrong\u003eWhat This Part Is Used For\u003c\/strong\u003e\u003cbr\u003e The Hayward DEX4820BTC Filter Head With Clamp System replaces the upper tank assembly on compatible Hayward DE4820 filters. It forms the primary pressure seal of the filter. \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy This Part Matters\u003c\/strong\u003e\u003cbr\u003e A cracked or compromised filter head can lead to leaks and unsafe pressure conditions. Replacing it restores structural integrity and reliable sealing. This supports consistent DE filtration. \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features and Specifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer part number DEX4820BTC\u003c\/li\u003e\n\u003cli\u003eFilter head with clamp system\u003c\/li\u003e\n\u003cli\u003eFor compatible Hayward DE4820 filters\u003c\/li\u003e\n\u003cli\u003eUpper tank assembly component\u003c\/li\u003e\n\u003cli\u003eService replacement tank top\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eInstallation and Fitment Guidance\u003c\/strong\u003e\u003cbr\u003e Relieve all tank pressure before loosening the clamp. Ensure the tank seal is correctly positioned during reassembly. Confirm by manufacturer part number before ordering. \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout the Hayward Brand\u003c\/strong\u003e\u003cbr\u003e Hayward DE filtration systems are widely used in residential pools. Their clamp-style tank designs allow for accessible service. Genuine Hayward tank components help maintain safe operation. \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon Service Context\u003c\/strong\u003e\u003cbr\u003e Often replaced after freeze damage or impact cracks. Common during major DE filter refurbishments. \u003c\/p\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":52050076172562,"sku":"DEX4820BTC","price":778.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/2279\/1186\/files\/HPPDEX4820BTC_0.jpg?v=1771891076","url":"https:\/\/www.aquaterrabackyard.com\/products\/hayward-dex4820btc-filter-head-with-clamp-system","provider":"Aqua Terra Backyard","version":"1.0","type":"link"}