{"product_id":"1812-75-gpd-vontron-reverse-osmosis-membrane","title":"1812 75 GPD Vontron Reverse Osmosis Membrane","description":"\u003ch1 data-start=\"444\" data-end=\"965\"\u003eVontron 1812 75 GPD RO Membrane\n\u003c\/h1\u003e \u003cp data-start=\"444\" data-end=\"965\"\u003eThe Vontron 1812 75 GPD RO Membrane is a high‑efficiency reverse osmosis element built for compact and residential systems. Featuring a \u003cstrong data-start=\"580\" data-end=\"610\"\u003e1.8″ diameter × 12″ length\u003c\/strong\u003e (1812 format), it delivers approximately \u003cstrong data-start=\"652\" data-end=\"680\"\u003e75 gallons per day (GPD)\u003c\/strong\u003eunder standard conditions with a stable salt rejection of around \u003cstrong data-start=\"746\" data-end=\"757\"\u003e97%–98%\u003c\/strong\u003e. \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.lenntech.com\/Data-sheets\/Vontron-ULP1812-75-L.pdf?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\"\u003eLenntech\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\u003cbr data-start=\"796\" data-end=\"799\"\u003eDesigned for extra‑low pressure operation, this membrane is well‑suited to homes, offices, and light commercial setups where space is tight but performance is needed.\u003c\/p\u003e \u003ch3 data-start=\"972\" data-end=\"989\"\u003eKey Features\u003c\/h3\u003e \u003cul\u003e \u003cli data-start=\"992\" data-end=\"1073\"\u003eCompact \u003cstrong data-start=\"1000\" data-end=\"1019\"\u003e1.8″×12″ (1812)\u003c\/strong\u003e size fits smaller housings and tight installations.\u003c\/li\u003e \u003cli data-start=\"1076\" data-end=\"1179\"\u003eTypical output ~75 GPD (~280 litres\/day) under test conditions.\u003c\/li\u003e \u003cli data-start=\"1182\" data-end=\"1287\"\u003eStable salt rejection ~97.5% minimum at standard test conditions.\u003c\/li\u003e \u003cli data-start=\"1290\" data-end=\"1388\"\u003eOperating temperature up to 45 °C and SDI requirement ≤ 5.\u003c\/li\u003e \u003cli data-start=\"1391\" data-end=\"1466\"\u003eIdeal for low‑salinity feed water (tap or well) and residential RO systems.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3 data-start=\"1473\" data-end=\"1502\"\u003eTechnical Specifications\u003c\/h3\u003e \u003cdiv class=\"_tableContainer_1rjym_1\"\u003e \u003cdiv class=\"group _tableWrapper_1rjym_13 flex w-fit flex-col-reverse\"\u003e \u003ctable class=\"w-fit min-w-(--thread-content-width)\" data-start=\"1504\" data-end=\"2536\"\u003e \u003cthead data-start=\"1504\" data-end=\"1548\"\u003e \u003ctr data-start=\"1504\" data-end=\"1548\"\u003e \u003cth data-start=\"1504\" data-end=\"1539\" data-col-size=\"sm\"\u003eParameter\u003c\/th\u003e \u003cth data-start=\"1539\" data-end=\"1548\" data-col-size=\"md\"\u003eValue\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody data-start=\"1594\" data-end=\"2536\"\u003e \u003ctr data-start=\"1594\" data-end=\"1640\"\u003e \u003ctd data-start=\"1594\" data-end=\"1629\" data-col-size=\"sm\"\u003eModel\u003c\/td\u003e \u003ctd data-start=\"1629\" data-end=\"1640\" data-col-size=\"md\"\u003e1812‑75\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"1641\" data-end=\"1706\"\u003e \u003ctd data-start=\"1641\" data-end=\"1676\" data-col-size=\"sm\"\u003eFormat\u003c\/td\u003e \u003ctd data-start=\"1676\" data-end=\"1706\" data-col-size=\"md\"\u003e1.8″ diameter × 12″ length\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"1707\" data-end=\"1804\"\u003e \u003ctd data-start=\"1707\" data-end=\"1742\" data-col-size=\"sm\"\u003eRated Permeate Flow\u003c\/td\u003e \u003ctd data-start=\"1742\" data-end=\"1804\" data-col-size=\"md\"\u003e~75 GPD (~281 L\/day)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"1805\" data-end=\"1890\"\u003e \u003ctd data-start=\"1805\" data-end=\"1840\" data-col-size=\"sm\"\u003eStable Salt Rejection\u003c\/td\u003e \u003ctd data-start=\"1840\" data-end=\"1890\" data-col-size=\"md\"\u003e≥ ~97.5%\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"1891\" data-end=\"1972\"\u003e \u003ctd data-start=\"1891\" data-end=\"1926\" data-col-size=\"sm\"\u003eMin Salt Rejection\u003c\/td\u003e \u003ctd data-start=\"1926\" data-end=\"1972\" data-col-size=\"md\"\u003e~96%\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"1973\" data-end=\"2103\"\u003e \u003ctd data-start=\"1973\" data-end=\"2008\" data-col-size=\"sm\"\u003eTest Conditions\u003c\/td\u003e \u003ctd data-start=\"2008\" data-end=\"2103\" data-col-size=\"md\"\u003e60 psi (~0.41 MPa), 25 °C, 250 ppm NaCl, recovery 15%\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"2104\" data-end=\"2200\"\u003e \u003ctd data-start=\"2104\" data-end=\"2139\" data-col-size=\"sm\"\u003eMax Feed Pressure\u003c\/td\u003e \u003ctd data-start=\"2139\" data-end=\"2200\" data-col-size=\"md\"\u003e~200 psi (~2.0 MPa)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"2201\" data-end=\"2285\"\u003e \u003ctd data-start=\"2201\" data-end=\"2236\" data-col-size=\"sm\"\u003eMax Feed Temperature\u003c\/td\u003e \u003ctd data-start=\"2236\" data-end=\"2285\" data-col-size=\"md\"\u003e45 °C\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"2286\" data-end=\"2368\"\u003e \u003ctd data-start=\"2286\" data-end=\"2321\" data-col-size=\"sm\"\u003eMax SDI\u003c\/td\u003e \u003ctd data-start=\"2321\" data-end=\"2368\" data-col-size=\"md\"\u003e≤ 5\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"2369\" data-end=\"2452\"\u003e \u003ctd data-start=\"2369\" data-end=\"2404\" data-col-size=\"sm\"\u003eFeed Water pH Range (Normal)\u003c\/td\u003e \u003ctd data-start=\"2404\" data-end=\"2452\" data-col-size=\"md\"\u003e3–10\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"2453\" data-end=\"2536\"\u003e \u003ctd data-start=\"2453\" data-end=\"2488\" data-col-size=\"sm\"\u003eFeed Water pH Range (Cleaning)\u003c\/td\u003e \u003ctd data-start=\"2488\" data-end=\"2536\" data-col-size=\"md\"\u003e2–11\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e \u003c\/div\u003e \u003ch3 data-start=\"2543\" data-end=\"2595\"\u003eWhy Choose the Vontron 1812 75 GPD RO Membrane?\u003c\/h3\u003e \u003cp data-start=\"2596\" data-end=\"3014\"\u003eIf you need an efficient, compact, and high‑quality RO membrane for residential use, the Vontron 1812 75 GPD stands out. Its ultra‑low pressure design helps keep pump and energy requirements down, while its solid salt rejection ensures excellent water quality. With its 1.8″×12″ size, it integrates easily into standard small‑format RO housings—making upgrades, replacements, or new installs both simple and effective.\u003c\/p\u003e \u003ch3 data-start=\"3021\" data-end=\"3057\"\u003eInstallation \u0026amp; Maintenance Tips\u003c\/h3\u003e \u003cul data-start=\"3058\" data-end=\"3510\"\u003e \u003cli data-start=\"3058\" data-end=\"3134\"\u003e \u003cp data-start=\"3060\" data-end=\"3134\"\u003eAlways pre‑treat feed water: ensure SDI ≤ 5 and free chlorine \u0026lt; 0.1 ppm.\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"3135\" data-end=\"3236\"\u003e \u003cp data-start=\"3137\" data-end=\"3236\"\u003eOn initial use, flush the membrane as per Vontron guidelines; discard the first tank of permeate.\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"3237\" data-end=\"3338\"\u003e \u003cp data-start=\"3239\" data-end=\"3338\"\u003eMonitor permeate flow and rejection rate periodically—sharp drops may indicate fouling or damage.\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"3339\" data-end=\"3422\"\u003e \u003cp data-start=\"3341\" data-end=\"3422\"\u003eClean and replace when needed; stay within temperature, pressure and pH limits.\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"3423\" data-end=\"3510\"\u003e \u003cp data-start=\"3425\" data-end=\"3510\"\u003eStore the membrane wet or in the recommended preservative if unused for long periods.\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e","brand":"Vontron","offers":[{"title":"Default","offer_id":45115709096005,"sku":"ULP1812-75","price":207.21,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/8627\/7445\/files\/vontronulp-1812-50_1842cba3-535d-4f2a-bdb0-9d610260d284.jpg?v=1780903310","url":"https:\/\/www.monstermechanical.co.za\/products\/1812-75-gpd-vontron-reverse-osmosis-membrane","provider":"Monster Mechanical","version":"1.0","type":"link"}