{"product_id":"r1-backwash-filter-1-25-inch-125596640","title":"BWT R1 Backwash Filter 1-1\/4\" RSF LF | Lead-Free Whole House Filter 125596640","description":"\u003ch2\u003eBWT R1 Backwash Filter 1-1\/4\" RSF LF | Lead-Free Whole House Filter\u003c\/h2\u003e\n\u003ch3\u003ePart Number: \u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003e125596640\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eBWT R1 Backwash Filter 1-1\/4\" RSF LF\u003c\/strong\u003e is a high-flow, \u003cstrong\u003elead-free whole house water filter\u003c\/strong\u003e designed to protect residential plumbing systems and water-using appliances from sediment such as rust, sand, and debris. Installed at the \u003cstrong\u003emain water inlet after the water meter\u003c\/strong\u003e, it helps prevent dripping faucets, clogged valves, and premature appliance wear caused by foreign particles.\u003c\/p\u003e\n\u003cp\u003eThis RSF (backwash filter) model uses BWT’s proven \u003cstrong\u003e2-phase backwash technology\u003c\/strong\u003e for particularly intensive cleaning. Instead of frequent cartridge replacements, the filter is maintained through \u003cstrong\u003emanual backwashing\u003c\/strong\u003e, recommended every \u003cstrong\u003e6 months\u003c\/strong\u003e. This version is supplied \u003cstrong\u003ewithout a pressure reducer\u003c\/strong\u003e for systems where pressure regulation is handled elsewhere.\u003c\/p\u003e\n\u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eLead-free (LF) construction\u003c\/strong\u003e for potable water applications\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eHigh-flow whole house sediment protection\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e2-phase backwash technology\u003c\/strong\u003e for intensive, hygienic cleaning\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eManual backwash maintenance\u003c\/strong\u003e—no disposable cartridges\u003c\/li\u003e\n\u003cli\u003e✅ Helps prevent dripping taps and appliance malfunctions\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e1-1\/4\" (DN32) high-capacity connection\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eHorizontal or vertical installation\u003c\/strong\u003e flexibility\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eQuick installation via HydroModul\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e10-year warranty\u003c\/strong\u003e with product registration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e BWT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e R1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e R1 RSF LF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Backwash filter (manual backwash)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN \/ Part Number:\u003c\/strong\u003e 125596640\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection size:\u003c\/strong\u003e 1-1\/4\" (DN32)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter mesh size:\u003c\/strong\u003e 90 µm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow @ Δp = 0.2 bar (2.9 psi):\u003c\/strong\u003e 4.1 m³\/h (18.0 gpm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow @ Δp = 0.5 bar (7.3 psi):\u003c\/strong\u003e 6.7 m³\/h (29.5 gpm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating pressure (min\/max):\u003c\/strong\u003e 2.5–16 bar (36.2–232 psi)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (H × W):\u003c\/strong\u003e 352 × 203 mm (13.86 × 7.99 in)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation orientation:\u003c\/strong\u003e Horizontal or vertical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Lead-free (LF)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eInstall at the main water inlet after the water meter.\u003c\/li\u003e\n\u003cli\u003eSelect horizontal or vertical orientation based on space and drain access.\u003c\/li\u003e\n\u003cli\u003eEnsure access to the drain connection for backwashing.\u003c\/li\u003e\n\u003cli\u003eRun an initial backwash after installation.\u003c\/li\u003e\n\u003cli\u003eBackwash every 6 months, or more often if sediment levels are high.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eTechnical Data\u003c\/h3\u003e\n\u003cstyle\u003e\n  .bwt-tech-table { width:100%; border-collapse:collapse; font-size:14px; }\n  .bwt-tech-table th, .bwt-tech-table td { border:1px solid #d9d9d9; padding:10px; vertical-align:middle; }\n  .bwt-tech-table th { background:#0b2a5b; color:#fff; text-align:center; }\n  .bwt-tech-table td:first-child { font-weight:600; width:36%; }\n  .bwt-tech-note { font-size:13px; opacity:0.9; margin-top:8px; }\n\u003c\/style\u003e\n\u003ctable class=\"bwt-tech-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eR1 RSF* Lead-Free (LF) — No Pressure Reducer\u003c\/th\u003e\n\u003cth\u003e3\/4\"\u003c\/th\u003e\n\u003cth\u003e1\"\u003c\/th\u003e\n\u003cth\u003e1-1\/4\"\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection width (DN)\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e20\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e25\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow rate @ Δp = 0.2 bar (2.9 psi)\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e3.4 m³\/h (14.9 gpm)\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e3.7 m³\/h (16.3 gpm)\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e4.1 m³\/h (18.0 gpm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow rate @ Δp = 0.5 bar (7.3 psi)\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e5.4 m³\/h (23.8 gpm)\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e6.0 m³\/h (26.4 gpm)\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e6.7 m³\/h (29.5 gpm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter mesh size\u003c\/td\u003e\n\u003ctd colspan=\"3\" style=\"text-align: center;\"\u003e90 µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating pressure (min.\/max.)\u003c\/td\u003e\n\u003ctd colspan=\"3\" style=\"text-align: center;\"\u003e2.5–16 bar (36.2–232 psi)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (H × W)\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e352 × 186 mm\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e352 × 184 mm\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e352 × 203 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrder No.\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cstrong\u003e125596638\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cstrong\u003e125596639\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cstrong\u003e125596640\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"bwt-tech-note\"\u003e\u003cstrong\u003e*RSF = Backwash filter.\u003c\/strong\u003e\u003c\/p\u003e","brand":"BWT","offers":[{"title":"1-1\/4\"","offer_id":47842886811873,"sku":"125596640","price":518.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/3628\/6177\/files\/BWT-R1-Backwash-Filter-1.25-Inch-125596640-IMG-1.webp?v=1768169097","url":"https:\/\/planetbluewater.com\/products\/r1-backwash-filter-1-25-inch-125596640","provider":"Planet Blue Water","version":"1.0","type":"link"}