{"product_id":"wb-compact-4-5-acf1-accumulator-booster-pump-floor-mounted","title":"WB-Compact 4.5 ACF1 – Accumulator Booster Pump (Floor Mounted)","description":"\u003c!-- WB-Compact 4.5 ACF1 – Shopify-safe, fluid responsive --\u003e\n\u003cdiv style=\"font-family: 'Helvetica Neue',Arial,sans-serif; color: #0e1117; -webkit-font-smoothing: antialiased; max-width: 880px; margin: 0 auto;\"\u003e\n\u003cp style=\"font-size: clamp(13px,1.1vw,15px); color: #3c3f47; line-height: 1.7; margin: 0 0 10px 0;\"\u003eThe \u003cstrong style=\"color: #0e1117;\"\u003eWaterBoost WB-Compact 4.5 ACF1\u003c\/strong\u003e is a compact floor-mounted variable speed pump designed to charge external accumulator vessels to up to \u003cstrong style=\"color: #0e1117;\"\u003e4.5 bar\u003c\/strong\u003e. If your static mains pressure is below 2 bar and you are installing an accumulator, the ACF1 charges the vessel to the pressure needed for effective operation — working seamlessly alongside GWS, WaterBoost, Lowara, Grundfos, and Stuart Turner accumulators in both vertical and horizontal configurations.\u003c\/p\u003e\n\u003cp style=\"font-size: clamp(13px,1.1vw,15px); color: #3c3f47; line-height: 1.7; margin: 0 0 10px 0;\"\u003eAdvanced variable speed inverter control automatically adjusts output to match demand, delivering energy savings of up to 50% compared with fixed-speed alternatives. Operates at a quiet \u003cstrong style=\"color: #0e1117;\"\u003e45 dB(A)\u003c\/strong\u003e. Pressure is easily adjusted via the integrated LCD display. WiFi via the \u003cstrong style=\"color: #0e1117;\"\u003eDConnect app\u003c\/strong\u003e enables remote monitoring and control, with voice control integration available. Wireless update capability allows future performance enhancements. Compact footprint at 439 × 263 × 236mm, weighing 15kg.\u003c\/p\u003e\n\u003cp style=\"font-size: clamp(13px,1.1vw,15px); color: #3c3f47; line-height: 1.7; margin: 0 0 20px 0;\"\u003eWRAS approved for potable water. \u003cstrong style=\"color: #0e1117;\"\u003e3-year warranty\u003c\/strong\u003e. For a wall-mounted alternative, see the \u003ca style=\"color: #1a5fb4;\" href=\"\/product\/accumulator-tanks\/waterboost-accumulator-charger-pump-wall-mounted\/\"\u003eWB-Compact 4.5 ACW1\u003c\/a\u003e.\u003c\/p\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit,minmax(110px,1fr)); gap: 1px; background: #e2e4ea; border: 1px solid #e2e4ea; border-radius: 10px; overflow: hidden; margin-bottom: 14px;\"\u003e\n\u003cdiv style=\"background: #fff; padding: clamp(10px,1.5vw,14px) 12px; text-align: center;\"\u003e\n\u003cdiv style=\"font-size: clamp(18px,2.4vw,22px); font-weight: 600; color: #0e1117; line-height: 1;\"\u003e4.5\u003cspan style=\"font-size: 10px; font-weight: 400; color: #757a88; margin-left: 2px;\"\u003ebar\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-size: 10px; color: #757a88; margin-top: 3px; text-transform: uppercase; letter-spacing: 0.06em;\"\u003eMax pressure\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #fff; padding: clamp(10px,1.5vw,14px) 12px; text-align: center;\"\u003e\n\u003cdiv style=\"font-size: clamp(18px,2.4vw,22px); font-weight: 600; color: #0e1117; line-height: 1;\"\u003e45\u003cspan style=\"font-size: 10px; font-weight: 400; color: #757a88; margin-left: 2px;\"\u003edB(A)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-size: 10px; color: #757a88; margin-top: 3px; text-transform: uppercase; letter-spacing: 0.06em;\"\u003eNoise at 1m\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #fff; padding: clamp(10px,1.5vw,14px) 12px; text-align: center;\"\u003e\n\u003cdiv style=\"font-size: clamp(18px,2.4vw,22px); font-weight: 600; color: #0e1117; line-height: 1;\"\u003e50\u003cspan style=\"font-size: 10px; font-weight: 400; color: #757a88; margin-left: 2px;\"\u003e%\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-size: 10px; color: #757a88; margin-top: 3px; text-transform: uppercase; letter-spacing: 0.06em;\"\u003eEnergy saving\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #1a5fb4; padding: clamp(10px,1.5vw,14px) 12px; text-align: center;\"\u003e\n\u003cdiv style=\"font-size: clamp(18px,2.4vw,22px); font-weight: 600; color: #fff; line-height: 1;\"\u003e3\u003cspan style=\"font-size: 10px; font-weight: 400; color: rgba(255,255,255,0.75); margin-left: 2px;\"\u003eyr\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-size: 10px; color: rgba(255,255,255,0.75); margin-top: 3px; text-transform: uppercase; letter-spacing: 0.06em;\"\u003eWarranty\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 24px;\"\u003e\n\u003cspan style=\"display: inline-flex; align-items: center; padding: 4px 9px; border-radius: 20px; background: #e8f0fb; color: #1a5fb4; font-size: 11px; font-weight: 500; border: 1px solid #c5d8f5;\"\u003eWiFi · DConnect · Voice control\u003c\/span\u003e \u003cspan style=\"display: inline-flex; align-items: center; padding: 4px 9px; border-radius: 20px; background: #e4f2eb; color: #1d6f42; font-size: 11px; font-weight: 500; border: 1px solid #b6dfc7;\"\u003eWRAS approved\u003c\/span\u003e \u003cspan style=\"display: inline-flex; align-items: center; padding: 4px 9px; border-radius: 20px; background: #f5f6f8; color: #3c3f47; font-size: 11px; font-weight: 500; border: 1px solid #e2e4ea;\"\u003eAccumulator charging pump\u003c\/span\u003e \u003cspan style=\"display: inline-flex; align-items: center; padding: 4px 9px; border-radius: 20px; background: #f5f6f8; color: #3c3f47; font-size: 11px; font-weight: 500; border: 1px solid #e2e4ea;\"\u003eVariable speed\u003c\/span\u003e \u003cspan style=\"display: inline-flex; align-items: center; padding: 4px 9px; border-radius: 20px; background: #f5f6f8; color: #3c3f47; font-size: 11px; font-weight: 500; border: 1px solid #e2e4ea;\"\u003eFloor mounted\u003c\/span\u003e \u003cspan style=\"display: inline-flex; align-items: center; padding: 4px 9px; border-radius: 20px; background: #f5f6f8; color: #3c3f47; font-size: 11px; font-weight: 500; border: 1px solid #e2e4ea;\"\u003eUniversal vessel compatibility\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1025\/4411\/3996\/files\/wb-compact_4.5_data_sheet.pdf?v=1779292276\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-flex; align-items: center; padding: 9px 16px; border-radius: 8px; background: rgb(26, 95, 180); font-size: 13px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003eData Sheet\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1025\/4411\/3996\/files\/wb-compact-acf1-install-guide.pdf?v=1779292170\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-flex; align-items: center; padding: 9px 16px; border-radius: 8px; background: rgb(26, 95, 180); font-size: 13px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003eInstallation Guide\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"WaterBoost","offers":[{"title":"Default Title","offer_id":56609296253260,"sku":null,"price":552.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1025\/4411\/3996\/files\/waterboostacmsmall_e0fd72f8-85d7-495a-9aed-70f6e78d9506.jpg?v=1769789687","url":"https:\/\/www.waterboost.co.uk\/products\/wb-compact-4-5-acf1-accumulator-booster-pump-floor-mounted","provider":"WaterBoost","version":"1.0","type":"link"}