{"product_id":"20-big-blue-water-filter-housing-black-housing","title":"20″ Big Blue Water Filter Housing – Black Housing","description":"\u003ch1\u003e20″ Jumbo \u003ca href=\"https:\/\/puritech.co.za\/product-category\/filter-housings\/20-jumbo-filter-housing\/\"\u003eFilter Housing\u003c\/a\u003e\n\u003c\/h1\u003e \u003cp data-start=\"550\" data-end=\"989\"\u003eThe 20″ Big Blue Water Filter Housing – Black Housing is a heavy-duty cartridge housing designed for high‐capacity filtration systems. The black polypropylene body accepts standard 20″ x 4½″ (≈51 cm × 11 cm) filter cartridges, enabling whole-house or commercial flows with ease. Because of its oversized capacity, it reduces pressure drop and requires fewer housing changes compared to smaller models.\u003c\/p\u003e \u003ch3 data-start=\"996\" data-end=\"1013\"\u003eKey Features\u003c\/h3\u003e \u003cul\u003e \u003cli data-start=\"1016\" data-end=\"1139\"\u003e\n\u003cstrong data-start=\"1016\" data-end=\"1057\"\u003eStandard 20″ Cartridge Compatibility:\u003c\/strong\u003e Accepts most 20″ x 4½″ filters (sediment, carbon block, etc.) for flexible use.\u003c\/li\u003e \u003cli data-start=\"1142\" data-end=\"1272\"\u003e\n\u003cstrong data-start=\"1142\" data-end=\"1162\"\u003eLarge Port Size:\u003c\/strong\u003e Common 1″ NPT female ports enable high flow with minimal restriction.\u003c\/li\u003e \u003cli data-start=\"1275\" data-end=\"1466\"\u003e\n\u003cstrong data-start=\"1275\" data-end=\"1307\"\u003eHeavy Duty Housing Material:\u003c\/strong\u003e Durable polypropylene body in black finish offers longer life and better UV \/ sunlight resistance than clear housings.\u003c\/li\u003e \u003cli data-start=\"1469\" data-end=\"1645\"\u003e\n\u003cstrong data-start=\"1469\" data-end=\"1501\"\u003eHigh Capacity \u0026amp; Versatility:\u003c\/strong\u003e Ideal for whole-house systems, borehole filtration, pre-RO protection or large single-cartridge setups.\u003c\/li\u003e \u003cli data-start=\"1648\" data-end=\"1811\"\u003e\n\u003cstrong data-start=\"1648\" data-end=\"1689\"\u003ePressure Relief \/ Serviceable Design:\u003c\/strong\u003e Many units include a pressure-relief button or bracket mount for safer servicing.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3 data-start=\"1818\" data-end=\"1847\"\u003eTechnical Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli data-start=\"1850\" data-end=\"1938\"\u003eHousing Size: \u003cstrong data-start=\"1864\" data-end=\"1880\"\u003e20″ standard\u003c\/strong\u003e (20″ length sump)\u003c\/li\u003e \u003cli data-start=\"1941\" data-end=\"2031\"\u003eCartridge Diameter: Fits up to ~4½″ dia cartridges\u003c\/li\u003e \u003cli data-start=\"2034\" data-end=\"2147\"\u003eInlet\/Outlet Ports: \u003cstrong data-start=\"2054\" data-end=\"2073\"\u003e1″ NPT (female)\u003c\/strong\u003e typical for black housing variant\u003c\/li\u003e \u003cli data-start=\"2150\" data-end=\"2240\"\u003eMax Pressure: ~90 psi (~6.2 bar) in standard usage\u003c\/li\u003e \u003cli data-start=\"2243\" data-end=\"2332\"\u003eOperating Temperature: ~4–38 °C for many models\u003c\/li\u003e \u003cli data-start=\"2335\" data-end=\"2382\"\u003eColour: Black body with compatible head\/cap\u003c\/li\u003e \u003c\/ul\u003e \u003ch3 data-start=\"2389\" data-end=\"2418\"\u003eWhy Choose This Housing?\u003c\/h3\u003e \u003cp data-start=\"2419\" data-end=\"2909\"\u003eIf you’re configuring a whole-house or high‐flow water filtration system and you want reliability and simplicity, this black Big Blue housing stands out. It allows you to use standard large cartridges, making maintenance easier. Moreover, the black body offers enhanced durability and better aesthetics in mechanical rooms or visible installations. Additionally, because it’s a single large cartridge housing rather than multiple smaller ones, you save space and simplify service intervals.\u003c\/p\u003e \u003ch3 data-start=\"2916\" data-end=\"2952\"\u003eInstallation \u0026amp; Maintenance Tips\u003c\/h3\u003e \u003cul\u003e \u003cli data-start=\"2955\" data-end=\"3049\"\u003e\n\u003cstrong data-start=\"2955\" data-end=\"2975\"\u003eMount vertically\u003c\/strong\u003e with the head above the sump and provide clearance above for cartridge changes.\u003c\/li\u003e \u003cli data-start=\"3052\" data-end=\"3140\"\u003eUse a \u003cstrong data-start=\"3058\" data-end=\"3080\"\u003ewall-mount bracket\u003c\/strong\u003e or shelf capable of supporting the filled housing weight.\u003c\/li\u003e \u003cli data-start=\"3143\" data-end=\"3251\"\u003eBefore inserting the cartridge, \u003cstrong data-start=\"3171\" data-end=\"3195\"\u003elubricate the O-ring\u003c\/strong\u003e lightly and ensure it seats correctly to avoid leaks.\u003c\/li\u003e \u003cli data-start=\"3254\" data-end=\"3344\"\u003eUse the \u003cstrong data-start=\"3262\" data-end=\"3288\"\u003epressure-relief button\u003c\/strong\u003e if present, before unscrewing the cap to ease opening.\u003c\/li\u003e \u003cli data-start=\"3347\" data-end=\"3529\"\u003eReplace cartridges as required (e.g., sediment or carbon) and inspect housing body for any signs of cracking or UV damage—black housings tend to resist UV better than clear models.\u003c\/li\u003e \u003cli data-start=\"3532\" data-end=\"3662\"\u003eAfter service, check for leaks and verify flow meets expectations; if flow drops, check cartridge condition or port restrictions.\u003c\/li\u003e \u003c\/ul\u003e","brand":"Monster Mechanical","offers":[{"title":"Default","offer_id":45115709521989,"sku":"HOU20BBPB","price":662.4,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/8627\/7445\/files\/20-inch-big-blue-filter-housing-black.jpg?v=1780903321","url":"https:\/\/www.monstermechanical.co.za\/products\/20-big-blue-water-filter-housing-black-housing","provider":"Monster Mechanical","version":"1.0","type":"link"}