{"product_id":"pelletkessel-hks-lazar-smartfire-sf11-standard","title":"HKS Lazar SmartFire SF11 Standard 11 kW Pellet Boiler","description":"\u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eProduct Overview \u0026amp; Application Area\u003c\/h2\u003e \u003cp\u003eThe HKS Lazar SmartFire SF11 Standard is an automatically fed pellet boiler with 11 kW nominal heat output for central heating systems. Its output range of 3.3 to 11.0 kW allows the heat output to be adjusted to meet demand. Wood pellets are used as fuel.\u003c\/p\u003e \u003cp\u003eThe SmartFire SF11 can be used both for building heating and for integration into domestic hot water preparation via a suitable storage tank. Three variants with 150, 240, or 440 liter storage hoppers are available for fuel storage.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eTechnology \u0026amp; Equipment\u003c\/h2\u003e \u003cp\u003eThe boiler uses a stainless steel burner with automatic ignition and automatic mechanical burner cleaning. Pellet feeding is carried out via a screw conveyor and a backburn protection device that structurally separates the fuel supply from the combustion chamber.\u003c\/p\u003e \u003cp\u003eThe control system handles not only boiler operation but also functions of the heating system and operates weather-compensated. The touch display is used to show operating states, temperatures, and system parameters.\u003c\/p\u003e \u003cp\u003eThe SmartFire SF11 Standard has mechanical heat exchanger cleaning, which is operated via a cleaning lever. Automatic burner cleaning remains standard regardless of this. The hydraulic integration includes a TV kit with return temperature boosting to 55 °C.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eEveryday Benefits\u003c\/h2\u003e \u003cp\u003eAutomatic pellet feeding, automatic ignition, and self-acting burner cleaning reduce the frequency of required operating procedures. The output is adjusted to the heat demand within the range of 3.3 to 11.0 kW.\u003c\/p\u003e \u003cp\u003eThe three available storage hoppers allow fuel storage to be adapted to available space and desired refill intervals. The control system supports not only boiler operation but also the integration of additional heating system components.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eSystem Integration \u0026amp; Compatibility\u003c\/h2\u003e \u003cp\u003eThe GEMA standard configuration is supplied without a lambda sensor, without automatic heat exchanger cleaning, and without automatic ash removal. Automatic mechanical burner cleaning and automatic pellet ignition remain part of the equipment.\u003c\/p\u003e \u003cp\u003eStorage hopper 150 liters: overall width 985 mm, height 1490 mm, depth 760 mm.\u003c\/p\u003e \u003cp\u003eStorage hopper 240 liters: overall width 1180 mm, height 1490 mm, depth 805 mm.\u003c\/p\u003e \u003cp\u003eStorage hopper 440 liters: overall width 1345 mm, height 1490 mm, depth 1015 mm.\u003c\/p\u003e \u003cp\u003eFor automatic pellet supply from a larger or spatially separate pellet storage, the pneumatic HKS Lazar Vacum conveying system can be used as separate accessory.\u003c\/p\u003e \u003c\/div\u003e \u003cstyle\u003e .product-th{margin-top:2rem}.product-th h2{margin:0 0 1rem}.product-th__table{width:100%;border-collapse:separate;border-spacing:0}.product-th__table td{padding:.95rem 1rem;vertical-align:top}.product-th__label{font-weight:700;width:38%;color:#213670}.product-th__value{color:#1f2937}.product-th__table tr:nth-child(odd) td{background:#f4f7fb}.product-th__table tr:nth-child(even) td{background:#fafbfd} \u003c\/style\u003e \u003cdiv class=\"product-th\"\u003e \u003ch2\u003eTechnical Data at a Glance\u003c\/h2\u003e \u003ctable class=\"product-th__table\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eNominal heat output\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e11 kW\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eEfficiency at nominal output\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e91.2%\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eEnergy efficiency class\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eA+\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eBoiler class\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eClass 5 according to EN 303-5\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eIgnition system\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eAutomatic ignition\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eHeat exchanger cleaning\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eMechanical \/ manual\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eLambda sensor\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eNo\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eFlue gas temperature at rated output\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e105 °C\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eFlue gas outlet\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eØ 100 mm outside \/ 93 mm inside\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eMax. boiler temperature\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e85 °C\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eInstallation\u003c\/h2\u003e \u003cp\u003eInstallation, hydraulic connection, chimney connection, and electrical installation must be carried out professionally and in accordance with applicable requirements. For safe operation, particular attention must be paid to the boiler return temperature; the supplied TV kit works with a thermostatic valve set for 55 °C.\u003c\/p\u003e \u003cp\u003eA minimum of 800 mm of operating space must be planned in front of the boiler. At least 800 mm is required on the side of the hopper, at least 500 mm on the opposite side, and at least 600 mm of clearance above the boiler. For versions with 150- and 240-liter hoppers, at least 500 mm must be provided behind the boiler, and at least 600 mm for the 440-liter hopper.\u003c\/p\u003e \u003cp\u003eInitial commissioning and the service work required to maintain the warranty must be carried out by an authorized service center in accordance with HKS Lazar\u0026#39;s specifications.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eNotes\u003c\/h2\u003e \u003cp\u003eSuitable wood pellets must be used for the SmartFire SF11. The storage container must remain closed during boiler operation and be refilled regularly.\u003c\/p\u003e \u003cp\u003eThe standard version does not have automatic heat exchanger cleaning. The heat exchanger is cleaned mechanically using the existing cleaning lever. The automatic burner cleaning operates independently of this.\u003c\/p\u003e \u003cp\u003eThe sizing of the boiler, heating surfaces, chimney, and the entire hydraulic system must be matched to the respective building and the existing or planned heating system.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eScope of delivery\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eHKS Lazar SmartFire SF11 Standard pellet boiler 11 kW\u003c\/li\u003e \u003cli\u003eStorage container 150, 240, or 440 liters depending on the selected variant\u003c\/li\u003e \u003cli\u003eHydraulic kit TV-Kit\u003c\/li\u003e \u003cli\u003eAsh pan drawer\u003c\/li\u003e \u003cli\u003e3 temperature sensors for the central heating system\u003c\/li\u003e \u003cli\u003eInstallation and operating instructions\u003c\/li\u003e \u003cli\u003eControl instructions\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e","brand":"HKS Lazar","offers":[{"title":"150 Liter","offer_id":58850087338332,"sku":"HKSLSF11S150","price":4969.0,"currency_code":"EUR","in_stock":true},{"title":"240 Liter","offer_id":58850087371100,"sku":"HKSLSF11S240","price":5199.0,"currency_code":"EUR","in_stock":true},{"title":"440 Liter","offer_id":58850087403868,"sku":"HKSLSF11S440","price":5255.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/gema-shop-hks-lazar-smartfire-pelletkessel_d13bdc7f-6a0e-48d4-bb66-1b0feccde011.jpg?v=1788161178","url":"https:\/\/gemashop.de\/en\/products\/pelletkessel-hks-lazar-smartfire-sf11-standard","provider":"GEMA Shop","version":"1.0","type":"link"}