{"product_id":"alpha-boiler-plate-heat-exhanger-3-022783-j44248","title":"Alpha Boiler Plate Heat Exhanger 3.022783 (J44248)","description":"\u003ch1\u003e\u003cspan\u003eAlpha Boiler Plate Heat Exchanger 3.022783 (J44248)\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch2\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eAlpha Boiler DHW 14 Plate Heat Exchanger (Part Number: 3.022783)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a replacement domestic hot water heat exchanger designed for use within selected Alpha heating systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe plate heat exchanger transfers heat from the boiler's primary heating circuit to the domestic hot water circuit, allowing the boiler to provide hot water efficiently without the two water circuits mixing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePart number \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e3.022783\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is confirmed by Alpha parts documentation as a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eDHW 14-plate heat exchanger with seal kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eℹ️ \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eProduct Condition Options:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis part may be available in \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNew or Refurbished\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e condition. Please check the available options from the dropdown menu.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe domestic hot water plate heat exchanger transfers heat between the primary heating water and incoming mains water. Over time, scale, debris, or corrosion can restrict the internal passages and reduce heat transfer.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eTypical symptoms associated with a restricted or faulty plate heat exchanger include:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003ePoor domestic hot water performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHot water taking longer to reach the required temperature\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFluctuating hot water temperature\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReduced hot water flow\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBoiler cycling during hot water demand\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRestricted water flow through the heat exchanger\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eReplacing a restricted or faulty heat exchanger may help restore efficient domestic hot water production.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eManufacturer:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Alpha\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003ePart Number (MPN):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 3.022783\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003ePart Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e DHW Plate Heat Exchanger\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003ePlate Configuration:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 14 Plate\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eCompatibility\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis part is designed for selected Alpha appliances, including applicable models in the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eEco 2, Eco 2 Plus, E-Tec, InTec 2 and Evoke\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e ranges. Alpha documentation confirms 3.022783 as the DHW heat exchanger for selected 28kW appliances.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePlease strictly verify the manufacturer part number \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e3.022783\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e against your boiler's technical manual, exploded parts diagram, or existing heat exchanger before ordering to guarantee correct fitment.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eSafety Advice\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eReplacement of a boiler heat exchanger involves draining and working on the appliance's hydraulic system. Installation and servicing should only be carried out by a suitably qualified heating engineer in accordance with the manufacturer's instructions and applicable UK safety regulations.\u003c\/em\u003e\u003c\/p\u003e","brand":"Alpha","offers":[{"title":"Direct Sale","offer_id":44539175862375,"sku":"N9542-1","price":43.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/edited-photo-2026-08-14T115205.195.jpg?v=1788260901","url":"https:\/\/nationalboilerspares.co.uk\/products\/alpha-boiler-plate-heat-exhanger-3-022783-j44248","provider":"National Boiler Spares","version":"1.0","type":"link"}