{"product_id":"20-big-blue-water-filter-housing-taiwan-double-o-ring","title":"20″ Big Blue Water Filter Housing – Taiwan Double O Ring","description":"\u003ch1 data-start=\"558\" data-end=\"1105\"\u003e\u003cstrong data-start=\"562\" data-end=\"622\"\u003e20″ Big Blue Water \u003ca href=\"https:\/\/puritech.co.za\/product-category\/filter-housings\/20-jumbo-filter-housing\/\"\u003eFilter Housing\u003c\/a\u003e – Taiwan Double O-Ring\u003c\/strong\u003e\u003c\/h1\u003e \u003cp data-start=\"558\" data-end=\"1105\"\u003eThe \u003cstrong data-start=\"562\" data-end=\"622\"\u003e20″ Big Blue Water Filter Housing – Taiwan Double O-Ring\u003c\/strong\u003e is a premium-grade cartridge housing designed for large-capacity water filtration setups. It supports standard 20″ × 4½″ cartridges, allowing serious flow rates and heavy sediment load capacity. Built in Taiwan, this model features a \u003cstrong data-start=\"857\" data-end=\"879\"\u003edouble O-ring seal\u003c\/strong\u003e for enhanced leak protection and durability. As a result, you get a reliable housing choice for whole-house systems, borehole installations, pre-RO protection, or high-flow filter banks.\u003c\/p\u003e \u003ch3 data-start=\"1112\" data-end=\"1129\"\u003eKey Features\u003c\/h3\u003e \u003cul\u003e \u003cli data-start=\"1132\" data-end=\"1277\"\u003e\n\u003cstrong data-start=\"1132\" data-end=\"1169\"\u003eStandard Cartridge Compatibility:\u003c\/strong\u003e Accepts 20″ × 4½″ filter cartridges, giving flexibility across sediment, carbon block, or specialty media.\u003c\/li\u003e \u003cli data-start=\"1280\" data-end=\"1477\"\u003e\n\u003cstrong data-start=\"1280\" data-end=\"1303\"\u003eDouble O-Ring Seal:\u003c\/strong\u003e The dual seal design offers improved leak resistance over single-O-ring models—great for high-pressure or long-service installations. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003ca class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium transition-colors duration-150 ease-in-out text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" href=\"https:\/\/www.filtershop.co.za\/20-inch-big-blue-housing-double-o-ring-2?srsltid=AfmBOooLPiJAmallo8u9WZcpVDuwTBW_RjFrzoLsi_EPJSTDsfkpanAp\u0026amp;utm_source=chatgpt.com\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan class=\"relative start-0 bottom-0 flex h-full w-full items-center\"\u003e\u003cspan class=\"flex h-4 w-full items-center justify-between\"\u003e\u003cspan class=\"max-w-[15ch] grow truncate overflow-hidden text-center\"\u003efiltershop.co.za\u003c\/span\u003e\u003cspan class=\"-me-1 flex h-full items-center rounded-full px-1 text-[#8F8F8F]\"\u003e+1\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e \u003cli data-start=\"1480\" data-end=\"1631\"\u003e\n\u003cstrong data-start=\"1480\" data-end=\"1503\"\u003eTaiwan Manufacture:\u003c\/strong\u003e Build quality from Taiwan ensures reliable materials and good manufacturing tolerances. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003ca class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium transition-colors duration-150 ease-in-out text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" href=\"https:\/\/www.kingbird.com.tw\/r-o-water-system-water-filter-housing-20-big-blue-housing-double-o-ring-020231.html?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan class=\"relative start-0 bottom-0 flex h-full w-full items-center\"\u003e\u003cspan class=\"flex h-4 w-full items-center justify-between\"\u003e\u003cspan class=\"max-w-[15ch] grow truncate overflow-hidden text-center\"\u003ekingbird.com.tw\u003c\/span\u003e\u003cspan class=\"-me-1 flex h-full items-center rounded-full px-1 text-[#8F8F8F]\"\u003e+1\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e \u003cli data-start=\"1634\" data-end=\"1795\"\u003e\n\u003cstrong data-start=\"1634\" data-end=\"1665\"\u003eHigh Flow \u0026amp; Heavy Duty Use:\u003c\/strong\u003e The jumbo 20″ size and robust construction mean fewer housings needed for large-volume systems—reducing install cost and space.\u003c\/li\u003e \u003cli data-start=\"1798\" data-end=\"2004\"\u003e\n\u003cstrong data-start=\"1798\" data-end=\"1824\"\u003eVersatile Application:\u003c\/strong\u003e Suitable for whole-house residences, farm boreholes, industrial pre-filtration, rainwater harvesting systems, and RO feedwater preparation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003ca class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium transition-colors duration-150 ease-in-out text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" href=\"https:\/\/easywatersolutions.co.za\/filter-housing-2\/?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan class=\"relative start-0 bottom-0 flex h-full w-full items-center\"\u003e\u003cspan class=\"flex h-4 w-full items-center justify-between overflow-hidden\"\u003e\u003cspan class=\"max-w-[15ch] grow truncate overflow-hidden text-center\"\u003eeasywatersolutions.co.za\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e \u003c\/ul\u003e \u003ch3 data-start=\"2011\" data-end=\"2040\"\u003eTechnical Specifications\u003c\/h3\u003e \u003cp data-start=\"2041\" data-end=\"2125\"\u003eHere are typical specifications you can include (verify variant for exact values):\u003c\/p\u003e \u003cul\u003e \u003cli data-start=\"2128\" data-end=\"2165\"\u003eHousing size: 20″ length (≈50.8 cm)\u003c\/li\u003e \u003cli data-start=\"2168\" data-end=\"2203\"\u003eCartridge diameter: ~4½″ (≈11 cm)\u003c\/li\u003e \u003cli data-start=\"2206\" data-end=\"2309\"\u003ePort size: often 1″ NPT female (or 1½″\/40 mm for some variants)\u003c\/li\u003e \u003cli data-start=\"2312\" data-end=\"2363\"\u003eDouble O-ring seal type, improved leak protection\u003c\/li\u003e \u003cli data-start=\"2366\" data-end=\"2443\"\u003eMax working pressure: ~6 bar \/ 90 psi\u003c\/li\u003e \u003cli data-start=\"2446\" data-end=\"2577\"\u003eOperating temperature: ~4 °C to 38 °C (typical for clear housings; verify for colored body)\u003c\/li\u003e \u003cli data-start=\"2580\" data-end=\"2648\"\u003eColour: body finish varies (often blue or other heavy‐duty colour)\u003c\/li\u003e \u003c\/ul\u003e \u003ch3 data-start=\"2655\" data-end=\"2684\"\u003eWhy Choose This Housing?\u003c\/h3\u003e \u003cp data-start=\"2685\" data-end=\"3125\"\u003eWhen you need large-capacity filtration with durability and low maintenance risk, this 20″ Big Blue housing stands out. The double O-ring seal gives you extra confidence against leaks and long-term service. Because it supports standard large cartridges, you keep filter change costs down and spare parts easy to source. Also, it’s built in Taiwan, suggesting strong material quality with good resistance to stress common in high-flow systems.\u003c\/p\u003e \u003ch3 data-start=\"3132\" data-end=\"3168\"\u003eInstallation \u0026amp; Maintenance Tips\u003c\/h3\u003e \u003cul\u003e \u003cli data-start=\"3171\" data-end=\"3288\"\u003eInstall the housing \u003cstrong data-start=\"3191\" data-end=\"3205\"\u003evertically\u003c\/strong\u003e, with the cap at the top and enough clearance above to remove cartridges easily.\u003c\/li\u003e \u003cli data-start=\"3291\" data-end=\"3421\"\u003eUse a \u003cstrong data-start=\"3297\" data-end=\"3333\"\u003esturdy bracket or mounting plate\u003c\/strong\u003e to support the filled housing’s weight—especially in whole-house or borehole systems.\u003c\/li\u003e \u003cli data-start=\"3424\" data-end=\"3582\"\u003eBefore closing the cap, \u003cstrong data-start=\"3448\" data-end=\"3481\"\u003elightly lubricate the O-rings\u003c\/strong\u003e with suitable food-grade silicon grease—this helps ensure a good seal and easier future servicing.\u003c\/li\u003e \u003cli data-start=\"3585\" data-end=\"3729\"\u003eWhen servicing, \u003cstrong data-start=\"3601\" data-end=\"3635\"\u003euse the pressure-relief button\u003c\/strong\u003e if the housing includes one, to make unscrewing easier and reduce the risk of cartridge splash.\u003c\/li\u003e \u003cli data-start=\"3732\" data-end=\"3971\"\u003eReplace filter cartridges according to local water quality (e.g., sediment filters every 6-12 months, carbon blocks as required). Also inspect the housing body—if cracks, clouding or fatigue appear, consider replacing the housing itself.\u003c\/li\u003e \u003cli data-start=\"3974\" data-end=\"4070\"\u003eAfter change-out, check for leaks and verify expected flow and pressure drop across the housing.\u003c\/li\u003e \u003c\/ul\u003e","brand":"Monster Mechanical","offers":[{"title":"Default","offer_id":45115709456453,"sku":"HOU20BBT","price":745.2,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/8627\/7445\/files\/20-inch-big-blue-filter-housing-taiwan_5ec2e55e-0338-4fdf-ab79-c97ece8a5ccf.jpg?v=1780903319","url":"https:\/\/www.monstermechanical.co.za\/products\/20-big-blue-water-filter-housing-taiwan-double-o-ring","provider":"Monster Mechanical","version":"1.0","type":"link"}