This Replacement Filter Housing Head<\/b> is the industrial-strength standard for large-diameter “Big Blue” filtration systems. Whether you are repairing an existing setup or building a custom whole-house filtration system, this head ensures a reliable, leak-proof connection for your high-volume water needs.<\/p>\n High-Volume Water Flow:<\/b> The extra-large 1-inch ports<\/b> allow a greater volume of water to pass through rapidly, preventing the pressure drops often seen with standard 1\/2″ or 3\/4″ heads.<\/p>\n<\/li>\n Pressure Release Technology:<\/b> Equipped with a red Pressure Release Valve<\/b>, it allows you to bleed out trapped air before changing cartridges. This makes the jumbo filter bowl much easier to unscrew manually during routine maintenance.<\/p>\n<\/li>\n Industrial Strength Construction:<\/b> Manufactured from high-impact, UV-stabilized polypropylene, this head is built to withstand pressure surges up to 120\u2013125 PSI.<\/p>\n<\/li>\n Broad Compatibility:<\/b> Perfectly fits all standard 20″ x 4.5″ jumbo sumps (Big Blue) and supports a wide range of media, including sediment, carbon block, and GAC cartridges.<\/p>\n<\/li>\n<\/ul>\n Whole-House Main Line:<\/b> Ideal for main entry points where a high flow rate is required for multiple taps and showers.<\/p>\n<\/li>\n Commercial & Industrial:<\/b> Used in RO plant pre-treatment, car washes, and restaurants to handle large-scale sediment removal.<\/p>\n<\/li>\n Specialty Filtration:<\/b> Suitable for borehole water filtering, aquaculture (Koi filters), and agricultural irrigation systems.<\/p>\n<\/li>\n<\/ul>\n The 20-Inch Jumbo (Big Blue) Filter Housing Head<\/b> is the central component for high-capacity water filtration systems. Featuring large 1-inch BSP threaded ports<\/b>, it is specifically engineered to provide maximum water flow with minimal restriction, making it ideal for large households, restaurants, and industrial pre-filtration in Sri Lanka.<\/p>\n Connection Size:<\/b> 1″ BSP\/NPT Female threaded ports for high-flow performance.<\/p>\n<\/li>\n Integrated Relief:<\/b> Built-in Pressure Release Valve (PRV)<\/b> for easy filter maintenance.<\/p>\n<\/li>\n Capacity:<\/b> Designed to fit all standard 20″ x 4.5″ (Jumbo\/BB) filter sumps and cartridges.<\/p>\n<\/li>\n Durability:<\/b> Made from reinforced, food-grade polypropylene for high-pressure safety.<\/p>\n<\/li>\n<\/ul>\n","protected":false},"featured_media":8710,"comment_status":"open","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[34,24],"product_tag":[],"class_list":["post-8709","product","type-product","status-publish","has-post-thumbnail","product_cat-filter-housings","product_cat-water-filters","desktop-align-center","tablet-align-center","mobile-align-center","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/prudenceeng.lk\/shop\/wp-json\/wp\/v2\/product\/8709","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prudenceeng.lk\/shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/prudenceeng.lk\/shop\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/prudenceeng.lk\/shop\/wp-json\/wp\/v2\/comments?post=8709"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prudenceeng.lk\/shop\/wp-json\/wp\/v2\/media\/8710"}],"wp:attachment":[{"href":"https:\/\/prudenceeng.lk\/shop\/wp-json\/wp\/v2\/media?parent=8709"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/prudenceeng.lk\/shop\/wp-json\/wp\/v2\/product_brand?post=8709"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/prudenceeng.lk\/shop\/wp-json\/wp\/v2\/product_cat?post=8709"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/prudenceeng.lk\/shop\/wp-json\/wp\/v2\/product_tag?post=8709"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Key Features & Benefits:<\/b><\/h3>\n
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Typical Applications in Sri Lanka:<\/b><\/h3>\n
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Technical Specifications:<\/b><\/h3>\n
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\n Feature<\/strong><\/td>\n Detail<\/strong><\/td>\n<\/tr>\n<\/thead>\n\n \n Compatible Housing<\/b><\/span><\/td>\n 20″ Jumbo \/ Big Blue (4.5″ Diameter)<\/span><\/td>\n<\/tr>\n \n Port Size<\/b><\/span><\/td>\n 1″ BSP\/NPT Female Threaded<\/span><\/td>\n<\/tr>\n \n Material<\/b><\/span><\/td>\n High-Flow Reinforced Polypropylene<\/span><\/td>\n<\/tr>\n \n Max Pressure<\/b><\/span><\/td>\n Approx. 8.3 Bar \/ 120 PSI<\/span><\/td>\n<\/tr>\n \n Max Temperature<\/b><\/span><\/td>\n 38\u00b0C – 45\u00b0C<\/span><\/td>\n<\/tr>\n \n Mounting<\/b><\/span><\/td>\n Pre-drilled for standard heavy-duty metal brackets<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":" \n