{"product_id":"defro-firewood-plus-24-kw-naturzugkessel-holzvergaser","title":"Defro Firewood Plus 24 kW natural draft boiler","description":"\u003cp data-start=\"471\" data-end=\"756\"\u003eThe \u003cstrong data-start=\"475\" data-end=\"504\"\u003eDefro Firewood Plus 24 kW\u003c\/strong\u003e This is a high-performance natural draft boiler for firewood. With an efficiency of 92.5%, electronic primary air control, and an integrated safety heat exchanger, it offers an efficient solution for larger single-family homes or apartment buildings.\u003c\/p\u003e  \u003chr data-start=\"758\" data-end=\"761\"\u003e  \u003ch2 data-start=\"763\" data-end=\"789\"\u003eHighlights\/Advantages\u003c\/h2\u003e  \u003cp data-start=\"791\" data-end=\"1139\"\u003e⭐ 92.5% efficiency – maximum fuel utilization\u003cbr data-start=\"844\" data-end=\"847\"\u003e⭐ Energy efficiency class A+ – modern wood heating with high efficiency\u003cbr data-start=\"916\" data-end=\"919\"\u003e⭐ Integrated safety heat exchanger – suitable for closed systems\u003cbr data-start=\"994\" data-end=\"997\"\u003e⭐ Electronic primary air control – precise and convenient regulation\u003cbr data-start=\"1067\" data-end=\"1070\"\u003e⭐ Multiple connections to the chimney are possible – flexible system planning\u003c\/p\u003e  \u003chr data-start=\"1141\" data-end=\"1144\"\u003e  \u003ch2 data-start=\"1146\" data-end=\"1176\"\u003eDetailed description\u003c\/h2\u003e  \u003ch3 data-start=\"1178\" data-end=\"1211\"\u003eArea of ​​application \u0026amp; Target audience\u003c\/h3\u003e  \u003cp data-start=\"1213\" data-end=\"1467\"\u003eThe Defro Firewood Plus 24 kW is a natural draft boiler for burning logs (hardwood, residual moisture 12–20%). With its nominal output of 24 kW, it is suitable for larger single-family homes, apartment buildings, or buildings with increased heating requirements.\u003c\/p\u003e  \u003cp data-start=\"1469\" data-end=\"1591\"\u003eThe secondary air supply, adjustable on both sides, allows for flexible setup even in confined spaces.\u003c\/p\u003e  \u003chr data-start=\"1593\" data-end=\"1596\"\u003e  \u003ch3 data-start=\"1598\" data-end=\"1622\"\u003eEveryday benefits\u003c\/h3\u003e  \u003cp data-start=\"1624\" data-end=\"1787\"\u003eThe electronic control system automatically regulates the primary air supply. Additionally, the boiler circulation pump and an optional induced draft fan can be controlled.\u003c\/p\u003e  \u003cp data-start=\"1789\" data-end=\"1946\"\u003eLarge loading doors facilitate the feeding of logs up to 390 mm in length. An integrated sight glass allows for visual monitoring of the gasifier flame.\u003c\/p\u003e  \u003chr data-start=\"1948\" data-end=\"1951\"\u003e  \u003ch3 data-start=\"1953\" data-end=\"1980\"\u003eTechnology \u0026amp; equipment\u003c\/h3\u003e  \u003cp data-start=\"1982\" data-end=\"2141\"\u003eThe boiler body is made of high-quality steel. The factory-installed safety heat exchanger allows operation in closed heating systems.\u003c\/p\u003e  \u003cp data-start=\"2143\" data-end=\"2274\"\u003eThe required delivery pressure is 0.28 mbar. The boiler is suitable for multiple connections to a common chimney.\u003c\/p\u003e  \u003chr data-start=\"2276\" data-end=\"2279\"\u003e  \u003ch3 data-start=\"2281\" data-end=\"2305\"\u003eEfficiency \u0026amp; Environment\u003c\/h3\u003e  \u003cp data-start=\"2307\" data-end=\"2410\"\u003eWith a standard efficiency of 92.5%, the Firewood Plus 24 kW achieves energy efficiency class A+.\u003c\/p\u003e  \u003cp data-start=\"2412\" data-end=\"2543\"\u003eThe recommended minimum buffer storage capacity is 1300 liters to ensure efficient and low-emission operation.\u003c\/p\u003e  \u003chr data-start=\"2545\" data-end=\"2548\"\u003e  \u003ch3 data-start=\"2550\" data-end=\"2590\"\u003ecompatibility \u0026amp; System integration\u003c\/h3\u003e  \u003cp data-start=\"2592\" data-end=\"2630\"\u003eThe exhaust connection has a diameter of 178 mm.\u003c\/p\u003e  \u003cp data-start=\"2632\" data-end=\"2684\"\u003eThe flow and return lines are made with 1½\u0026quot; (IG) threads.\u003c\/p\u003e  \u003cp data-start=\"2686\" data-end=\"2764\"\u003eThe power supply is provided via 230 V\/50 Hz for the electronic control.\u003c\/p\u003e  \u003cp data-start=\"2766\" data-end=\"2930\"\u003eSuitable accessories such as buffer tanks, thermal relief valves, safety groups or hydraulic components can be found in the product range at \u003cstrong data-start=\"2914\" data-end=\"2929\"\u003egemashop.de\u003c\/strong\u003e.\u003c\/p\u003e  \u003chr data-start=\"2932\" data-end=\"2935\"\u003e  \u003ch2 data-start=\"2937\" data-end=\"2958\"\u003eTechnical data\u003c\/h2\u003e  \u003cdiv class=\"TyagGW_tableContainer\"\u003e  \u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e  \u003ctable data-start=\"2960\" data-end=\"3651\" class=\"w-fit min-w-(--thread-content-width)\"\u003e  \u003cthead data-start=\"2960\" data-end=\"2978\"\u003e  \u003ctr data-start=\"2960\" data-end=\"2978\"\u003e  \u003cth data-start=\"2960\" data-end=\"2970\" data-col-size=\"sm\" class=\"\"\u003efeature\u003c\/th\u003e  \u003cth data-start=\"2970\" data-end=\"2978\" data-col-size=\"sm\" class=\"\"\u003eValue\u003c\/th\u003e  \u003c\/tr\u003e  \u003c\/thead\u003e  \u003ctbody data-start=\"2999\" data-end=\"3651\"\u003e  \u003ctr data-start=\"2999\" data-end=\"3021\"\u003e  \u003ctd data-start=\"2999\" data-end=\"3012\" data-col-size=\"sm\"\u003eManufacturer\u003c\/td\u003e  \u003ctd data-start=\"3012\" data-end=\"3021\" data-col-size=\"sm\"\u003eDEFRO\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3022\" data-end=\"3051\"\u003e  \u003ctd data-start=\"3022\" data-end=\"3031\" data-col-size=\"sm\"\u003eModel\u003c\/td\u003e  \u003ctd data-start=\"3031\" data-end=\"3051\" data-col-size=\"sm\"\u003eFirewood Plus 24\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3052\" data-end=\"3098\"\u003e  \u003ctd data-start=\"3052\" data-end=\"3065\" data-col-size=\"sm\"\u003eProduct type\u003c\/td\u003e  \u003ctd data-start=\"3065\" data-end=\"3098\" data-col-size=\"sm\"\u003eNatural draft boiler \u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3099\" data-end=\"3123\"\u003e  \u003ctd data-start=\"3099\" data-end=\"3114\" data-col-size=\"sm\"\u003eRated power\u003c\/td\u003e  \u003ctd data-start=\"3114\" data-end=\"3123\" data-col-size=\"sm\"\u003e24 kW\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3124\" data-end=\"3170\"\u003e  \u003ctd data-start=\"3124\" data-end=\"3137\" data-col-size=\"sm\"\u003efuel\u003c\/td\u003e  \u003ctd data-start=\"3137\" data-end=\"3170\" data-col-size=\"sm\"\u003eFirewood (hardwood 12–20%)\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3171\" data-end=\"3196\"\u003e  \u003ctd data-start=\"3171\" data-end=\"3186\" data-col-size=\"sm\"\u003eefficiency\u003c\/td\u003e  \u003ctd data-start=\"3186\" data-end=\"3196\" data-col-size=\"sm\"\u003e92.5%\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3197\" data-end=\"3228\"\u003e  \u003ctd data-start=\"3197\" data-end=\"3222\" data-col-size=\"sm\"\u003eEnergy efficiency class\u003c\/td\u003e  \u003ctd data-start=\"3222\" data-end=\"3228\" data-col-size=\"sm\"\u003eA+\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3229\" data-end=\"3255\"\u003e  \u003ctd data-start=\"3229\" data-end=\"3245\" data-col-size=\"sm\"\u003eboiler weight\u003c\/td\u003e  \u003ctd data-start=\"3245\" data-end=\"3255\" data-col-size=\"sm\"\u003e429 kg\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3256\" data-end=\"3284\"\u003e  \u003ctd data-start=\"3256\" data-end=\"3274\" data-col-size=\"sm\"\u003eExhaust gas temperature\u003c\/td\u003e  \u003ctd data-start=\"3274\" data-end=\"3284\" data-col-size=\"sm\"\u003e154 °C\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3285\" data-end=\"3316\"\u003e  \u003ctd data-start=\"3285\" data-end=\"3304\" data-col-size=\"sm\"\u003eExhaust gas mass flow\u003c\/td\u003e  \u003ctd data-start=\"3304\" data-end=\"3316\" data-col-size=\"sm\"\u003e19.0 g\/s\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3317\" data-end=\"3340\"\u003e  \u003ctd data-start=\"3317\" data-end=\"3330\" data-col-size=\"sm\"\u003eCO₂ content\u003c\/td\u003e  \u003ctd data-start=\"3330\" data-end=\"3340\" data-col-size=\"sm\"\u003e13.1%\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3341\" data-end=\"3383\"\u003e  \u003ctd data-start=\"3341\" data-end=\"3370\" data-col-size=\"sm\"\u003eRequired delivery pressure\u003c\/td\u003e  \u003ctd data-start=\"3370\" data-end=\"3383\" data-col-size=\"sm\"\u003e0.28 mbar\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3384\" data-end=\"3413\"\u003e  \u003ctd data-start=\"3384\" data-end=\"3401\" data-col-size=\"sm\"\u003eExhaust connection\u003c\/td\u003e  \u003ctd data-start=\"3401\" data-end=\"3413\" data-col-size=\"sm\"\u003eØ 178 mm\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3414\" data-end=\"3445\"\u003e  \u003ctd data-start=\"3414\" data-end=\"3435\" data-col-size=\"sm\"\u003eFlow\/Return\u003c\/td\u003e  \u003ctd data-start=\"3435\" data-end=\"3445\" data-col-size=\"sm\"\u003e1½\u0026quot; internal thread\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3446\" data-end=\"3490\"\u003e  \u003ctd data-start=\"3446\" data-end=\"3476\" data-col-size=\"sm\"\u003eFlow temperature min.\/max.\u003c\/td\u003e  \u003ctd data-start=\"3476\" data-end=\"3490\" data-col-size=\"sm\"\u003e75\/90 °C\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3491\" data-end=\"3530\"\u003e  \u003ctd data-start=\"3491\" data-end=\"3521\" data-col-size=\"sm\"\u003eMinimum return temperature\u003c\/td\u003e  \u003ctd data-start=\"3521\" data-end=\"3530\" data-col-size=\"sm\"\u003e65 °C\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3531\" data-end=\"3572\"\u003e  \u003ctd data-start=\"3531\" data-end=\"3562\" data-col-size=\"sm\"\u003eMinimum buffer capacity\u003c\/td\u003e  \u003ctd data-start=\"3562\" data-end=\"3572\" data-col-size=\"sm\"\u003e1300 l\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3573\" data-end=\"3608\"\u003e  \u003ctd data-start=\"3573\" data-end=\"3591\" data-col-size=\"sm\"\u003epower supply\u003c\/td\u003e  \u003ctd data-start=\"3591\" data-end=\"3608\" data-col-size=\"sm\"\u003e230 V\/50 Hz\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3609\" data-end=\"3651\"\u003e  \u003ctd data-start=\"3609\" data-end=\"3628\" data-col-size=\"sm\"\u003eDimensions (W x D x H)\u003c\/td\u003e  \u003ctd data-start=\"3628\" data-end=\"3651\" data-col-size=\"sm\"\u003e580 x 655 x 1335 mm\u003c\/td\u003e  \u003c\/tr\u003e  \u003c\/tbody\u003e  \u003c\/table\u003e  \u003c\/div\u003e  \u003c\/div\u003e  \u003chr data-start=\"3653\" data-end=\"3656\"\u003e  \u003ch2 data-start=\"3658\" data-end=\"3675\"\u003eScope of delivery\u003c\/h2\u003e  \u003cul data-start=\"3677\" data-end=\"3947\"\u003e  \u003cli data-start=\"3677\" data-end=\"3721\"\u003e  \u003cp data-start=\"3679\" data-end=\"3721\"\u003eDefro Firewood Plus 24 kW natural draft boiler\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"3722\" data-end=\"3752\"\u003e  \u003cp data-start=\"3724\" data-end=\"3752\"\u003eAnalog boiler thermometer\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"3753\" data-end=\"3787\"\u003e  \u003cp data-start=\"3755\" data-end=\"3787\"\u003eElectronic fire draft regulator\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"3788\" data-end=\"3821\"\u003e  \u003cp data-start=\"3790\" data-end=\"3821\"\u003eChain for the fire regulator\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"3822\" data-end=\"3843\"\u003e  \u003cp data-start=\"3824\" data-end=\"3843\"\u003eShort-circuit valve\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"3844\" data-end=\"3870\"\u003e  \u003cp data-start=\"3846\" data-end=\"3870\"\u003eVertical grate insert\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"3871\" data-end=\"3887\"\u003e  \u003cp data-start=\"3873\" data-end=\"3887\"\u003eWirbulators\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"3888\" data-end=\"3910\"\u003e  \u003cp data-start=\"3890\" data-end=\"3910\"\u003eCleaning tool\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"3911\" data-end=\"3947\"\u003e  \u003cp data-start=\"3913\" data-end=\"3947\"\u003eOperating and assembly instructions\u003c\/p\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003chr data-start=\"3949\" data-end=\"3952\"\u003e  \u003ch2 data-start=\"3954\" data-end=\"3989\"\u003eAssembly \u0026amp; Safety instructions\u003c\/h2\u003e  \u003cp data-start=\"3991\" data-end=\"4095\"\u003eInstallation and commissioning must only be carried out by a qualified specialist company.\u003c\/p\u003e  \u003cp data-start=\"4097\" data-end=\"4324\"\u003eTo ensure efficient and low-emission operation, a buffer storage tank with a capacity of at least 1300 liters must be provided. The applicable national regulations regarding the exhaust system and hydraulic integration must be observed.\u003c\/p\u003e  \u003chr data-start=\"4326\" data-end=\"4329\"\u003e  \u003ch2 data-start=\"4331\" data-end=\"4339\"\u003eFAQ\u003c\/h2\u003e  \u003cp data-start=\"4341\" data-end=\"4488\"\u003e\u003cstrong data-start=\"4341\" data-end=\"4398\"\u003e1. For which buildings is the 24 kW version suitable?\u003c\/strong\u003e\u003cbr data-start=\"4398\" data-end=\"4401\"\u003eFor larger single-family homes, multi-family homes or buildings with higher heating requirements.\u003c\/p\u003e  \u003cp data-start=\"4490\" data-end=\"4608\"\u003e\u003cstrong data-start=\"4490\" data-end=\"4533\"\u003e2. What log length is suitable?\u003c\/strong\u003e\u003cbr data-start=\"4533\" data-end=\"4536\"\u003eFor the 24 kW version, the recommended log length is 330–390 mm.\u003c\/p\u003e  \u003cp data-start=\"4610\" data-end=\"4764\"\u003e\u003cstrong data-start=\"4610\" data-end=\"4669\"\u003e3. Is operation in a closed heating system possible?\u003c\/strong\u003e\u003cbr data-start=\"4669\" data-end=\"4672\"\u003eYes, the integrated safety heat exchanger allows operation in a closed system.\u003c\/p\u003e  \u003cp data-start=\"4766\" data-end=\"4861\"\u003e\u003cstrong data-start=\"4766\" data-end=\"4806\"\u003e4. Is a buffer storage tank required?\u003c\/strong\u003e\u003cbr data-start=\"4806\" data-end=\"4809\"\u003eYes, the recommended minimum capacity is 1300 liters.\u003c\/p\u003e  \u003cp data-start=\"4863\" data-end=\"5009\"\u003e\u003cstrong data-start=\"4863\" data-end=\"4915\"\u003e5. Can an induced draft fan be connected?\u003c\/strong\u003e\u003cbr data-start=\"4915\" data-end=\"4918\"\u003eYes, an optional induced draft fan can be controlled via the electronic control system.\u003c\/p\u003e  \u003cp data-start=\"5011\" data-end=\"5106\"\u003e\u003cstrong data-start=\"5011\" data-end=\"5058\"\u003e6. What type of power supply is required?\u003c\/strong\u003e\u003cbr data-start=\"5058\" data-end=\"5061\"\u003e230 V\/50 Hz for electronic control.\u003c\/p\u003e  \u003chr data-start=\"5108\" data-end=\"5111\"\u003e  \u003ch2 data-start=\"5113\" data-end=\"5123\"\u003eConclusion\u003c\/h2\u003e  \u003cp data-start=\"5125\" data-end=\"5341\"\u003eThe Defro Firewood Plus 24 kW is a powerful natural draft boiler with high efficiency and robust construction. A reliable solution for economical heating with logs when heat demand is higher.\u003c\/p\u003e","brand":"Defro","offers":[{"title":"Default Title","offer_id":49417986146652,"sku":"DFW24","price":3006.66,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/defro-firewood-plus-24-kw-naturzugkessel-kompakt-effizient-robust-5704745.webp?v=1770692600","url":"https:\/\/ie.gemashop.de\/products\/defro-firewood-plus-24-kw-natural-draft-boiler-wood-gasifier-1","provider":"GEMA Shop","version":"1.0","type":"link"}