{"product_id":"honeywell-home-du145-22mm-angled-automatic-bypass-valve","title":"Honeywell Home DU145 22mm Angled Automatic Bypass Valve","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Honeywell Home \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eDU145-3\/4B Automatic Bypass Valve\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is designed to maintain correct water circulation within central heating systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eInstalled between the flow and return pipework, the valve opens automatically when required. This helps protect the boiler, maintain minimum flow and improve overall heating system efficiency.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe valve responds to changes in system pressure caused by closing thermostatic radiator valves or motorised zone valves. By maintaining circulation through the boiler, it can help prevent overheating, reduce system stress and extend the life of heating components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIts \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e22mm compression fittings\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e allow straightforward installation, while the adjustable differential pressure range of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e0.1 to 0.6 bar\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e supports accurate system setup. The valve can handle flow rates of up to \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e50 litres per minute\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA lockable pressure adjustment mechanism helps prevent accidental changes after the system has been commissioned.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eBrand:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Honeywell Home\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eModel:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e DU145-3\/4B\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eManufacturer Part Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e DU145-3\/4B\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eProduct Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Automatic Bypass Valve\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eConnection Size:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 22mm compression\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eFlow Capacity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Up to 50 litres per minute\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003ePressure Adjustment Range:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 0.1–0.6 bar\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eConfiguration:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Angled\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eWarranty:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 1 year\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eSuitable Applications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eDomestic central heating systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCombi boiler installations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eZoned heating systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSystems with thermostatic radiator valves\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSystems with motorised zone valves\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eBenefits of an Automatic Bypass Valve\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Honeywell DU145-3\/4B helps protect the boiler when heating circuits close and maintains the minimum circulation required for safe operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIt can also reduce water-flow noise, improve system efficiency and support stable operating conditions throughout the heating system.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eWhy Choose the Honeywell DU145-3\/4B?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eHoneywell Home is a trusted manufacturer of heating controls and system components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe DU145-3\/4B offers dependable flow protection, simple commissioning and long-term performance. Its adjustable pressure control and lockable setting make it a practical choice for professional heating installations.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eDelivery and Collection\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis product can be collected from our showroom at:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eUnit 5, Penn Street\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eNewcastle upon Tyne\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eNE4 7BG\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eMost collection orders are prepared on the same day. Select the collection option at checkout, and the product will be prepared for you.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFast UK delivery is also available through Royal Mail First Class, with most orders arriving within \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1–2 working days\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Each item is securely packaged to help prevent damage during transit.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAlways use a suitably qualified engineer for installation. Any work involving gas appliances should be completed by a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eGas Safe registered engineer\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eHoneywell DU145-3\/4B Automatic Bypass Valve\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eMaintains consistent water flow through the boiler\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHelps reduce system noise and pressure fluctuations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eAdjustable pressure range from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e0.1 to 0.6 bar\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eFeatures \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e22mm compression fittings\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for straightforward installation\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Brand New","offer_id":48013600489637,"sku":"HWELDU145","price":56.87,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0768\/1690\/8453\/files\/729.png?v=1784167684","url":"https:\/\/ephsuppliers.com\/products\/honeywell-home-du145-22mm-angled-automatic-bypass-valve","provider":"Elite Plumbing \u0026 Heating Suppliers Ltd","version":"1.0","type":"link"}