{"product_id":"derwent-small-wood-burning-ecodesign-stove","title":"MI Fires Derwent Small Wood Burning Ecodesign Stove","description":"\u003cdiv class=\"text-gray-700\"\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA compact, UK-designed wood-burning stove built to deliver efficient warmth with clean, controlled combustion. The MI Fires Small Derwent produces a practical 4.2kW heat output with 79.2% efficiency – ideal for smaller living spaces, well-insulated rooms and homeowners who want dependable wood-burning performance in a compact design.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhy Choose This Model?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Small Derwent is an excellent choice if you want a lower-output wood-burning stove that won’t overpower a smaller room. Its 4.2kW heat output makes it particularly well suited to compact living spaces, while its 79.2% efficiency and A energy rating help make effective use of every log. With Ecodesign compliance, DEFRA approval and external air compatibility, it combines traditional wood-burning warmth with modern heating performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e4.2kW heat output\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – ideal for smaller living spaces and well-insulated rooms.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eWood-burning design\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – specifically designed for efficient burning of wood logs.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eEcodesign 2022 compliant\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – meets modern efficiency and emissions requirements.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eSmoke Control Area exempt (DEFRA approved)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – suitable for use in designated Smoke Control Areas.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e79.2% efficiency\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – delivers dependable heat while making efficient use of fuel.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eA energy rating\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – efficient performance for everyday home heating.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eSteel body with cast iron door\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – durable construction designed for regular use.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eAirwash system\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – helps keep the viewing glass clearer for a better view of the flames.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eExternal air compatible\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – suitable for installations where an external air supply is required.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eTop or rear flue outlet\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – interchangeable installation options provide added flexibility.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eCompact dimensions\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – well suited to smaller fireplaces and living spaces.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eDesigned in the UK\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – developed with a focus on efficient combustion and low emissions.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eTechnical Highlights\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eRated heat output: 4.2kW\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEfficiency: 79.2%\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEnergy rating: A\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWeight: 50kg\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNOx emissions at 13% O₂: 64mg\/Nm³\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFuel type: Wood only\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eConstruction: Steel body with cast iron door\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEcodesign 2022: Yes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDEFRA Approved: Yes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExternal air compatible: Yes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFlue size: 5-inch (125mm)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"text-gray-700\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3 class=\"text-gray-700\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable class=\"data table additional-attributes\" style=\"width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\" style=\"width: 54.2039%;\"\u003eGuarantee\u003c\/th\u003e\n\u003ctd class=\"col data\" style=\"width: 45.6172%;\"\u003e2 Years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\" style=\"width: 54.2039%;\"\u003eEfficiency\u003c\/th\u003e\n\u003ctd class=\"col data\" style=\"width: 45.6172%;\"\u003e79.20%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\" style=\"width: 54.2039%;\"\u003eHeat Output\u003c\/th\u003e\n\u003ctd class=\"col data\" style=\"width: 45.6172%;\"\u003e4.2 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\" style=\"width: 54.2039%;\"\u003eNox Emissions at 13% O2\u003c\/th\u003e\n\u003ctd class=\"col data\" style=\"width: 45.6172%;\"\u003e64 mg\/Nm3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\" style=\"width: 54.2039%;\"\u003eEnergy Rating\u003c\/th\u003e\n\u003ctd class=\"col data\" style=\"width: 45.6172%;\"\u003eA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\" style=\"width: 54.2039%;\"\u003eDEFRA Approved\u003c\/th\u003e\n\u003ctd class=\"col data\" style=\"width: 45.6172%;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\" style=\"width: 54.2039%;\"\u003eAirwash System\u003c\/th\u003e\n\u003ctd class=\"col data\" style=\"width: 45.6172%;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\" style=\"width: 54.2039%;\"\u003eConstruction\u003c\/th\u003e\n\u003ctd class=\"col data\" style=\"width: 45.6172%;\"\u003eSteel Body - Cast Door\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\" style=\"width: 54.2039%;\"\u003eFlue Outlet\u003c\/th\u003e\n\u003ctd class=\"col data\" style=\"width: 45.6172%;\"\u003eTop \u0026amp; Rear (Interchangeable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\" style=\"width: 54.2039%;\"\u003eFlue Size\u003c\/th\u003e\n\u003ctd class=\"col data\" style=\"width: 45.6172%;\"\u003e5-inch (125mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\" style=\"width: 54.2039%;\"\u003eFuel Type\u003c\/th\u003e\n\u003ctd class=\"col data\" style=\"width: 45.6172%;\"\u003eWood Only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\" style=\"width: 54.2039%;\"\u003eFuel Grate Type\u003c\/th\u003e\n\u003ctd class=\"col data\" style=\"width: 45.6172%;\"\u003eWood Burning Only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\" style=\"width: 54.2039%;\"\u003eLog Length\u003c\/th\u003e\n\u003ctd class=\"col data\" style=\"width: 45.6172%;\"\u003e250mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\" style=\"width: 54.2039%;\"\u003eSuitable For 12mm Hearth\u003c\/th\u003e\n\u003ctd class=\"col data\" style=\"width: 45.6172%;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\" style=\"width: 54.2039%;\"\u003eExternal Air Compatible\u003c\/th\u003e\n\u003ctd class=\"col data\" style=\"width: 45.6172%;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\" style=\"width: 54.2039%;\"\u003eDistance to Combustibles - Sides\u003c\/th\u003e\n\u003ctd class=\"col data\" style=\"width: 45.6172%;\"\u003e440 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\" style=\"width: 54.2039%;\"\u003eDistance to Combustibles - Rear\u003c\/th\u003e\n\u003ctd class=\"col data\" style=\"width: 45.6172%;\"\u003e240 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\" style=\"width: 54.2039%;\"\u003eSweep Flue through Stove?\u003c\/th\u003e\n\u003ctd class=\"col data\" style=\"width: 45.6172%;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\" style=\"width: 54.2039%;\"\u003eColour\u003c\/th\u003e\n\u003ctd class=\"col data\" style=\"width: 45.6172%;\"\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\" style=\"width: 54.2039%;\"\u003eMore Colours\u003c\/th\u003e\n\u003ctd class=\"col data\" style=\"width: 45.6172%;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\" style=\"width: 54.2039%;\"\u003eColour Options\u003c\/th\u003e\n\u003ctd class=\"col data\" style=\"width: 45.6172%;\"\u003eBlacks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\" style=\"width: 54.2039%;\"\u003eFinish\u003c\/th\u003e\n\u003ctd class=\"col data\" style=\"width: 45.6172%;\"\u003eMatt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eProduct Sizes\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1029\/2396\/0650\/files\/generic-stove-diagram_modern_1.webp?v=1787909591\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ctable class=\"data table additional-attributes\" style=\"width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\" style=\"width: 46.6614%; text-align: left;\"\u003eOverall Width\u003c\/th\u003e\n\u003ctd class=\"col data\" style=\"width: 52.9808%;\"\u003e346 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\" style=\"width: 46.6614%; text-align: left;\"\u003eOverall Height\u003c\/th\u003e\n\u003ctd class=\"col data\" style=\"width: 52.9808%;\"\u003e453 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\" style=\"width: 46.6614%; text-align: left;\"\u003eOverall Depth\u003c\/th\u003e\n\u003ctd class=\"col data\" style=\"width: 52.9808%;\"\u003e259 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\" style=\"width: 46.6614%; text-align: left;\"\u003eRear to Centre of Top Flue (F)\u003c\/th\u003e\n\u003ctd class=\"col data\" style=\"width: 52.9808%;\"\u003e100.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\" style=\"width: 46.6614%; text-align: left;\"\u003eWidth to Centre of Top Flue (E)\u003c\/th\u003e\n\u003ctd class=\"col data\" style=\"width: 52.9808%;\"\u003e173 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\" style=\"width: 46.6614%; text-align: left;\"\u003eHeight to Centre of Rear Flue (D)\u003c\/th\u003e\n\u003ctd class=\"col data\" style=\"width: 52.9808%;\"\u003e341.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\" style=\"width: 46.6614%; text-align: left;\"\u003eDepth to Centre Flue (D)\u003c\/th\u003e\n\u003ctd class=\"col data\" style=\"width: 52.9808%;\"\u003e158.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\" style=\"width: 46.6614%; text-align: left;\"\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"col data\" style=\"width: 52.9808%;\"\u003e50 Kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1029\/2396\/0650\/files\/mi_fires_install_small_derwent.pdf?v=1788346690\" title=\"Installation Guide\" rel=\"noopener\" target=\"_blank\"\u003eClick here to view installation guide.\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eLiner Kit (Optional)\u003cbr\u003e\u003cbr\u003e\n\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1029\/2396\/0650\/files\/LINER_KIT.png?v=1788437904\" alt=\"\" width=\"373\" height=\"373\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLiner Kit Includes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e10m 316-grade flue liner\u003c\/li\u003e\n\u003cli\u003ePot hanging cowl\u003c\/li\u003e\n\u003cli\u003eLiner adaptor\u003c\/li\u003e\n\u003cli\u003e500mm vitreous stove pipe\u003c\/li\u003e\n\u003cli\u003eRegister plate\u003c\/li\u003e\n\u003cli\u003eCarbon monoxide (CO) alarm\u003c\/li\u003e\n\u003cli\u003eData plate\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mi Fires","offers":[{"title":"No","offer_id":63416091836746,"sku":"MF-LAKES-06","price":541.34,"currency_code":"GBP","in_stock":true},{"title":"Yes","offer_id":63416091869514,"sku":"MF-LAKES-06-LINER","price":757.34,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1029\/2396\/0650\/files\/136-s-derwent_a_magnify.jpg?v=1787755577","url":"https:\/\/prolinedirect.co.uk\/products\/derwent-small-wood-burning-ecodesign-stove","provider":"Pro-Line Direct","version":"1.0","type":"link"}