{"product_id":"attack-slx-25-lambda-holzvergaser-25-kw","title":"Wood gasifier 25 kW ATTACK SLX 25 Lambda","description":"\u003cp data-start=\"327\" data-end=\"681\"\u003eThe \u003cstrong data-start=\"331\" data-end=\"355\"\u003eATTACK SLX 25 LAMBDA\u003c\/strong\u003e This is a modern wood gasification boiler with a nominal output of 25 kW and integrated lambda control for particularly precise and low-emission combustion of logs. It is ideally suited for single-family and two-family homes with higher heating requirements. The automatic air control ensures consistently high efficiency and ease of use.\u003c\/p\u003e  \u003chr data-start=\"683\" data-end=\"686\"\u003e  \u003ch2 data-start=\"688\" data-end=\"712\"\u003eHighlights\/Advantages\u003c\/h2\u003e  \u003cp data-start=\"714\" data-end=\"1058\"\u003e⭐  \u003cstrong data-start=\"716\" data-end=\"738\"\u003e25 kW nominal power\u003c\/strong\u003e – ideal for larger detached houses\u003cbr data-start=\"776\" data-end=\"779\"\u003e⭐  \u003cstrong data-start=\"781\" data-end=\"809\"\u003eIntegrated lambda sensor\u003c\/strong\u003e – automatic combustion optimization\u003cbr data-start=\"848\" data-end=\"851\"\u003e⭐  \u003cstrong data-start=\"853\" data-end=\"880\"\u003eEfficiency up to 90.2%\u003c\/strong\u003e – efficient fuel utilization\u003cbr data-start=\"914\" data-end=\"917\"\u003e⭐  \u003cstrong data-start=\"919\" data-end=\"954\"\u003eCertified according to EN 303-5:2012\u003c\/strong\u003e – tested emission values\u003cbr data-start=\"980\" data-end=\"983\"\u003e⭐  \u003cstrong data-start=\"985\" data-end=\"1021\"\u003eTurbulators with cleaning lever\u003c\/strong\u003e – maintenance-friendly design\u003c\/p\u003e  \u003chr data-start=\"1060\" data-end=\"1063\"\u003e  \u003ch1 data-start=\"1065\" data-end=\"1106\"\u003eATTACK SLX 25 LAMBDA wood gasifier 25 kW\u003c\/h1\u003e  \u003ch2 data-start=\"1108\" data-end=\"1138\"\u003eArea of ​​application \u0026amp; Target audience\u003c\/h2\u003e  \u003cp data-start=\"1140\" data-end=\"1303\"\u003eThe ATTACK SLX 25 LAMBDA is a \u003cstrong data-start=\"1173\" data-end=\"1222\"\u003eHot water boiler for solid fuels (wood)\u003c\/strong\u003e with automatic air control via lambda sensor. It is particularly suitable for:\u003c\/p\u003e  \u003cul data-start=\"1305\" data-end=\"1431\"\u003e  \u003cli data-start=\"1305\" data-end=\"1350\"\u003e  \u003cp data-start=\"1307\" data-end=\"1350\"\u003eSingle-family homes with higher heating requirements\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"1351\" data-end=\"1373\"\u003e  \u003cp data-start=\"1353\" data-end=\"1373\"\u003eTwo-family houses\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"1374\" data-end=\"1396\"\u003e  \u003cp data-start=\"1376\" data-end=\"1396\"\u003eRenovation projects\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"1397\" data-end=\"1431\"\u003e  \u003cp data-start=\"1399\" data-end=\"1431\"\u003eHeating systems with buffer storage\u003c\/p\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003cp data-start=\"1433\" data-end=\"1507\"\u003ePreferred fuels are \u003cstrong data-start=\"1461\" data-end=\"1506\"\u003eLogs with a moisture content ≤ 25%\u003c\/strong\u003e.\u003c\/p\u003e  \u003chr data-start=\"1509\" data-end=\"1512\"\u003e  \u003ch2 data-start=\"1514\" data-end=\"1535\"\u003eEveryday benefits\u003c\/h2\u003e  \u003cp data-start=\"1537\" data-end=\"1697\"\u003eThe integrated lambda control continuously measures the residual oxygen content in the exhaust gas and automatically adjusts the primary and secondary air. This ensures:\u003c\/p\u003e  \u003cul data-start=\"1699\" data-end=\"1818\"\u003e  \u003cli data-start=\"1699\" data-end=\"1732\"\u003e  \u003cp data-start=\"1701\" data-end=\"1732\"\u003eoptimal combustion quality\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"1733\" data-end=\"1768\"\u003e  \u003cp data-start=\"1735\" data-end=\"1768\"\u003ereduced fuel consumption\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"1769\" data-end=\"1794\"\u003e  \u003cp data-start=\"1771\" data-end=\"1794\"\u003estable heat output\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"1795\" data-end=\"1818\"\u003e  \u003cp data-start=\"1797\" data-end=\"1818\"\u003elow emissions\u003c\/p\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003cp data-start=\"1820\" data-end=\"1902\"\u003eEven with varying wood quality, combustion remains consistently efficient.\u003c\/p\u003e  \u003chr data-start=\"1904\" data-end=\"1907\"\u003e  \u003ch2 data-start=\"1909\" data-end=\"1933\"\u003eTechnology \u0026amp; equipment\u003c\/h2\u003e  \u003cul data-start=\"1935\" data-end=\"2291\"\u003e  \u003cli data-start=\"1935\" data-end=\"1979\"\u003e  \u003cp data-start=\"1937\" data-end=\"1979\"\u003eBoiler type: Wood gasification hot water boiler\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"1980\" data-end=\"1999\"\u003e  \u003cp data-start=\"1982\" data-end=\"1999\"\u003ePower: 25 kW\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"2000\" data-end=\"2047\"\u003e  \u003cp data-start=\"2002\" data-end=\"2047\"\u003eLambda sensor for automatic air control\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"2048\" data-end=\"2086\"\u003e  \u003cp data-start=\"2050\" data-end=\"2086\"\u003eFan-assisted combustion\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"2087\" data-end=\"2124\"\u003e  \u003cp data-start=\"2089\" data-end=\"2124\"\u003eTurbulators in the tube heat exchanger\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"2125\" data-end=\"2168\"\u003e  \u003cp data-start=\"2127\" data-end=\"2168\"\u003eThermal safety device required\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"2169\" data-end=\"2200\"\u003e  \u003cp data-start=\"2171\" data-end=\"2200\"\u003eMaximum operating pressure: 2.5 bar\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"2201\" data-end=\"2256\"\u003e  \u003cp data-start=\"2203\" data-end=\"2256\"\u003eMinimum chimney diameter: 150 mm (200 mm recommended)\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"2257\" data-end=\"2291\"\u003e  \u003cp data-start=\"2259\" data-end=\"2291\"\u003eRecommended chimney draft: 23–30 Pa\u003c\/p\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003cp data-start=\"2293\" data-end=\"2418\"\u003eTo ensure a long service life, a return temperature above 65 °C must be maintained. Recommended boiler temperature: 80–85 °C.\u003c\/p\u003e  \u003chr data-start=\"2420\" data-end=\"2423\"\u003e  \u003ch2 data-start=\"2425\" data-end=\"2446\"\u003eEfficiency \u0026amp; Environment\u003c\/h2\u003e  \u003cp data-start=\"2448\" data-end=\"2559\"\u003eThe ATTACK SLX 25 LAMBDA meets the requirements of \u003cstrong data-start=\"2503\" data-end=\"2520\"\u003eEN 303-5:2012\u003c\/strong\u003e for boilers of fuel class A.\u003c\/p\u003e  \u003cp data-start=\"2561\" data-end=\"2594\"\u003eMeasurement values ​​according to the information sheet:\u003c\/p\u003e  \u003cul data-start=\"2596\" data-end=\"2745\"\u003e  \u003cli data-start=\"2596\" data-end=\"2626\"\u003e  \u003cp data-start=\"2598\" data-end=\"2626\"\u003eNominal heat output: 26.7 kW\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"2627\" data-end=\"2662\"\u003e  \u003cp data-start=\"2629\" data-end=\"2662\"\u003ePart load (30%\/50%): 11.8 kW\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"2663\" data-end=\"2704\"\u003e  \u003cp data-start=\"2665\" data-end=\"2704\"\u003eEfficiency at rated power: 82.0%\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"2705\" data-end=\"2745\"\u003e  \u003cp data-start=\"2707\" data-end=\"2745\"\u003eEfficiency at 30%\/50%: 83.2%\u003c\/p\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003cp data-start=\"2747\" data-end=\"2819\"\u003eLambda technology supports clean and stable combustion.\u003c\/p\u003e  \u003chr data-start=\"2821\" data-end=\"2824\"\u003e  \u003ch2 data-start=\"2826\" data-end=\"2863\"\u003ecompatibility \u0026amp; System integration\u003c\/h2\u003e  \u003cp data-start=\"2865\" data-end=\"2965\"\u003eFor efficient and standards-compliant operation, the SLX 25 LAMBDA is typically combined with:\u003c\/p\u003e  \u003cul data-start=\"2967\" data-end=\"3100\"\u003e  \u003cli data-start=\"2967\" data-end=\"2985\"\u003e  \u003cp data-start=\"2969\" data-end=\"2985\"\u003eBuffer storage\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"2986\" data-end=\"3025\"\u003e  \u003cp data-start=\"2988\" data-end=\"3025\"\u003eReturn flow booster\/mixing device\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"3026\" data-end=\"3057\"\u003e  \u003cp data-start=\"3028\" data-end=\"3057\"\u003eThermal safety device\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"3058\" data-end=\"3079\"\u003e  \u003cp data-start=\"3060\" data-end=\"3079\"\u003eSafety valve\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"3080\" data-end=\"3100\"\u003e  \u003cp data-start=\"3082\" data-end=\"3100\"\u003eExpansion vessel\u003c\/p\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003cp data-start=\"3102\" data-end=\"3213\"\u003eSuitable \u003cstrong data-start=\"3111\" data-end=\"3172\"\u003eBuffer storage tanks, return temperature boosts and safety groups\u003c\/strong\u003e You can find them in our product range at gemashop.de.\u003c\/p\u003e  \u003chr data-start=\"3215\" data-end=\"3218\"\u003e  \u003ch2 data-start=\"3220\" data-end=\"3239\"\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=\"3241\" data-end=\"3694\" class=\"w-fit min-w-(--thread-content-width)\"\u003e  \u003cthead data-start=\"3241\" data-end=\"3259\"\u003e  \u003ctr data-start=\"3241\" data-end=\"3259\"\u003e  \u003cth data-start=\"3241\" data-end=\"3251\" data-col-size=\"sm\" class=\"\"\u003efeature\u003c\/th\u003e  \u003cth data-start=\"3251\" data-end=\"3259\" data-col-size=\"sm\" class=\"\"\u003eValue\u003c\/th\u003e  \u003c\/tr\u003e  \u003c\/thead\u003e  \u003ctbody data-start=\"3279\" data-end=\"3694\"\u003e  \u003ctr data-start=\"3279\" data-end=\"3309\"\u003e  \u003ctd data-start=\"3279\" data-end=\"3292\" data-col-size=\"sm\"\u003eManufacturer\u003c\/td\u003e  \u003ctd data-start=\"3292\" data-end=\"3309\" data-col-size=\"sm\"\u003eATTACK s.r.o.\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3310\" data-end=\"3336\"\u003e  \u003ctd data-start=\"3310\" data-end=\"3319\" data-col-size=\"sm\"\u003eModel\u003c\/td\u003e  \u003ctd data-start=\"3319\" data-end=\"3336\" data-col-size=\"sm\"\u003eSLX 25 LAMBDA\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3337\" data-end=\"3383\"\u003e  \u003ctd data-start=\"3337\" data-end=\"3350\" data-col-size=\"sm\"\u003eProduct type\u003c\/td\u003e  \u003ctd data-start=\"3350\" data-end=\"3383\" data-col-size=\"sm\"\u003eWood gasification hot water boiler\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3384\" data-end=\"3425\"\u003e  \u003ctd data-start=\"3384\" data-end=\"3397\" data-col-size=\"sm\"\u003efuel\u003c\/td\u003e  \u003ctd data-start=\"3397\" data-end=\"3425\" data-col-size=\"sm\"\u003eFirewood ≤ 25% moisture content\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3426\" data-end=\"3457\"\u003e  \u003ctd data-start=\"3426\" data-end=\"3446\" data-col-size=\"sm\"\u003eNominal heat output\u003c\/td\u003e  \u003ctd data-start=\"3446\" data-end=\"3457\" data-col-size=\"sm\"\u003e26.7 kW\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3458\" data-end=\"3488\"\u003e  \u003ctd data-start=\"3458\" data-end=\"3477\" data-col-size=\"sm\"\u003ePart load power\u003c\/td\u003e  \u003ctd data-start=\"3477\" data-end=\"3488\" data-col-size=\"sm\"\u003e11.8 kW\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3489\" data-end=\"3527\"\u003e  \u003ctd data-start=\"3489\" data-end=\"3517\" data-col-size=\"sm\"\u003eEfficiency Rated Power\u003c\/td\u003e  \u003ctd data-start=\"3517\" data-end=\"3527\" data-col-size=\"sm\"\u003e82.0%\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3528\" data-end=\"3562\"\u003e  \u003ctd data-start=\"3528\" data-end=\"3552\" data-col-size=\"sm\"\u003eEfficiency at partial load\u003c\/td\u003e  \u003ctd data-start=\"3552\" data-end=\"3562\" data-col-size=\"sm\"\u003e83.2%\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3563\" data-end=\"3595\"\u003e  \u003ctd data-start=\"3563\" data-end=\"3584\" data-col-size=\"sm\"\u003eMaximum operating pressure.\u003c\/td\u003e  \u003ctd data-start=\"3584\" data-end=\"3595\" data-col-size=\"sm\"\u003e2.5 bar\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3596\" data-end=\"3633\"\u003e  \u003ctd data-start=\"3596\" data-end=\"3623\" data-col-size=\"sm\"\u003eMinimum chimney diameter\u003c\/td\u003e  \u003ctd data-start=\"3623\" data-end=\"3633\" data-col-size=\"sm\"\u003e150 mm\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3634\" data-end=\"3669\"\u003e  \u003ctd data-start=\"3634\" data-end=\"3657\" data-col-size=\"sm\"\u003eRecommended chimney draft\u003c\/td\u003e  \u003ctd data-start=\"3657\" data-end=\"3669\" data-col-size=\"sm\"\u003e23 Pa\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3670\" data-end=\"3694\"\u003e  \u003ctd data-start=\"3670\" data-end=\"3677\" data-col-size=\"sm\"\u003estandard\u003c\/td\u003e  \u003ctd data-start=\"3677\" data-end=\"3694\" data-col-size=\"sm\"\u003eEN 303-5:2012\u003c\/td\u003e  \u003c\/tr\u003e  \u003c\/tbody\u003e  \u003c\/table\u003e  \u003c\/div\u003e  \u003c\/div\u003e  \u003chr data-start=\"3696\" data-end=\"3699\"\u003e  \u003ch2 data-start=\"3701\" data-end=\"3716\"\u003eScope of delivery\u003c\/h2\u003e  \u003cul data-start=\"3718\" data-end=\"3800\"\u003e  \u003cli data-start=\"3718\" data-end=\"3755\"\u003e  \u003cp data-start=\"3720\" data-end=\"3755\"\u003eATTACK SLX 25 LAMBDA wood gasifier\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"3756\" data-end=\"3779\"\u003e  \u003cp data-start=\"3758\" data-end=\"3779\"\u003eUser manual\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"3780\" data-end=\"3800\"\u003e  \u003cp data-start=\"3782\" data-end=\"3800\"\u003eAssembly instructions\u003c\/p\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003chr data-start=\"3802\" data-end=\"3805\"\u003e  \u003ch2 data-start=\"3807\" data-end=\"3840\"\u003eAssembly \u0026amp; Safety instructions\u003c\/h2\u003e  \u003cp data-start=\"3842\" data-end=\"3944\"\u003eInstallation and commissioning must only be carried out by a qualified specialist company.\u003c\/p\u003e  \u003cp data-start=\"3946\" data-end=\"3964\"\u003eImportant instructions:\u003c\/p\u003e  \u003cul data-start=\"3966\" data-end=\"4197\"\u003e  \u003cli data-start=\"3966\" data-end=\"4018\"\u003e  \u003cp data-start=\"3968\" data-end=\"4018\"\u003eThermal safety device absolutely necessary\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"4019\" data-end=\"4085\"\u003e  \u003cp data-start=\"4021\" data-end=\"4085\"\u003eReturn temperature boost necessary to prevent condensation\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"4086\" data-end=\"4123\"\u003e  \u003cp data-start=\"4088\" data-end=\"4123\"\u003eCompliance with chimney requirements\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"4124\" data-end=\"4197\"\u003e  \u003cp data-start=\"4126\" data-end=\"4197\"\u003eRegular cleaning of ash box, turbulators and heat exchangers\u003c\/p\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003cp data-start=\"4199\" data-end=\"4267\"\u003eThe warranty may be limited if the installation is improper.\u003c\/p\u003e  \u003chr data-start=\"4269\" data-end=\"4272\"\u003e  \u003ch2 data-start=\"4274\" data-end=\"4280\"\u003eFAQ\u003c\/h2\u003e  \u003cp data-start=\"4282\" data-end=\"4404\"\u003e\u003cstrong data-start=\"4282\" data-end=\"4321\"\u003e1. What does the lambda control do?\u003c\/strong\u003e\u003cbr data-start=\"4321\" data-end=\"4324\"\u003eIt measures the oxygen content in the exhaust gas and automatically adjusts the air supply.\u003c\/p\u003e  \u003cp data-start=\"4406\" data-end=\"4492\"\u003e\u003cstrong data-start=\"4406\" data-end=\"4451\"\u003e2. What is the power output of the SLX 25 LAMBDA?\u003c\/strong\u003e\u003cbr data-start=\"4451\" data-end=\"4454\"\u003eThe nominal heat output is 26.7 kW.\u003c\/p\u003e  \u003cp data-start=\"4494\" data-end=\"4577\"\u003e\u003cstrong data-start=\"4494\" data-end=\"4533\"\u003e3. Which fuel is permitted?\u003c\/strong\u003e\u003cbr data-start=\"4533\" data-end=\"4536\"\u003eFirewood with a maximum moisture content of 25%.\u003c\/p\u003e  \u003cp data-start=\"4579\" data-end=\"4689\"\u003e\u003cstrong data-start=\"4579\" data-end=\"4622\"\u003e4. Is a buffer storage tank required?\u003c\/strong\u003e\u003cbr data-start=\"4622\" data-end=\"4625\"\u003eA buffer storage tank is recommended for efficient operation.\u003c\/p\u003e  \u003cp data-start=\"4691\" data-end=\"4749\"\u003e\u003cstrong data-start=\"4691\" data-end=\"4738\"\u003e5. What is the maximum operating pressure?\u003c\/strong\u003e\u003cbr data-start=\"4738\" data-end=\"4741\"\u003e2.5 bar.\u003c\/p\u003e  \u003cp data-start=\"4751\" data-end=\"4873\"\u003e\u003cstrong data-start=\"4751\" data-end=\"4798\"\u003e6. How often is cleaning necessary?\u003c\/strong\u003e\u003cbr data-start=\"4798\" data-end=\"4801\"\u003eEmpty the ash box daily, and clean the heat exchanger regularly according to the operating instructions.\u003c\/p\u003e  \u003chr data-start=\"4875\" data-end=\"4878\"\u003e  \u003ch2 data-start=\"4880\" data-end=\"4888\"\u003eConclusion\u003c\/h2\u003e  \u003cp data-start=\"4890\" data-end=\"5188\"\u003eThe \u003cstrong data-start=\"4894\" data-end=\"4924\"\u003eATTACK SLX 25 LAMBDA 25 kW\u003c\/strong\u003e Combines high-performance wood gasification technology with modern lambda control. An efficient and convenient solution for sustainable heating with logs in residential buildings with higher heating demands. Order now and benefit from precise combustion control.\u003c\/p\u003e","brand":"Attack","offers":[{"title":"Default Title","offer_id":49418696261980,"sku":"ASLXL25","price":5767.15,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/SLXlambda-webrender.webp?v=1774512431","url":"https:\/\/pt.gemashop.de\/en\/products\/attack-slx-25-lambda-wood-carburettor-25-kw","provider":"GEMA Shop","version":"1.0","type":"link"}