{"title":"Defro spare parts","description":"","products":[{"product_id":"firma-defro-elektronischen-steuerung-heizkessel-boilers","title":"Boiler sensor for Defro boilers with electronic control","description":"\u003ch2\u003eBoiler sensor for Defro boilers\u003c\/h2\u003e  \u003cp\u003e\u003cstrong\u003eBoiler sensor for Defro boilers \u003c\/strong\u003e\u003c\/p\u003e  \u003cp\u003eSuitable for all Defro boilers equipped with electronic controls.\u003c\/p\u003e  \u003cp\u003eKTY boiler sensor suitable for all Defro boilers with electronic control.\u003c\/p\u003e  \u003cp\u003e  \u003cstrong\u003eBoiler sensor for all Defro models with electronic control\u003c\/strong\u003e\u003c\/p\u003e    \u003ch3\u003eTechnical data:\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eResistance at 25°C - 2 kΩ\u003c\/li\u003e  \u003cli\u003eCoefficient - 0.79%\/K\u003c\/li\u003e  \u003cli\u003eAccuracy - 1%\u003c\/li\u003e  \u003cli\u003eMeasuring range -25 - 90 °C\u003c\/li\u003e  \u003c\/ul\u003e  \u003cp\u003e  \u003c\/p\u003e  \u003cp\u003e  \u003c\/p\u003e  \u003cp\u003e*Technical changes reserved | Images may differ\u003c\/p\u003e","brand":"Defro","offers":[{"title":"Vaiketitel","offer_id":47010471608668,"sku":"DEFROTS","price":35.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/kesselfuhler-fur-defro-heizkessel-mit-elektronischer-steuerung-8976496.webp?v=1770693213"},{"product_id":"fotozelle-fur-pelletkessel","title":"Photocell for pellet boilers | Boiler accessories","description":"\u003ch2\u003ePhotocell for Defro brand pellet boilers\u003c\/h2\u003e  \u003cp\u003e\u003cstrong\u003ePhotocell boiler accessories\u003c\/strong\u003e\u003c\/p\u003e  \u003cp\u003eSuitable for\u003c\/p\u003e  \u003cul\u003e  \u003cli\u003eDefro Duo Pellet \u003c\/li\u003e  \u003cli\u003eDefro Duo Ekopell\u003c\/li\u003e  \u003cli\u003eDefro Compact Pellet\u003c\/li\u003e  \u003cli\u003eDefro Sigma Ekopell\u003c\/li\u003e  \u003cli\u003eDefro Alfa \u003c\/li\u003e  \u003c\/ul\u003e  \u003cp\u003e  \u003c\/p\u003e  \u003cp\u003e  \u003c\/p\u003e  \u003cp\u003e*Technical changes reserved | Images may differ\u003c\/p\u003e","brand":"Defro","offers":[{"title":"Vaiketitel","offer_id":47098126795100,"sku":"DDPFZ","price":48.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/fotozelle-fur-pelletkessel-heizkesselzubehor-4324841.png?v=1770693273"},{"product_id":"original-keramikstein-fur-defro-ds-ii-25-kw","title":"Original ceramic stone for Defro DS II 25 kW","description":"\u003ch2\u003e Ceramic stone for DEFRO DS II 25 kW\u003c\/h2\u003e  \u003cp\u003eFirebrick for inspection cover left\/right boiler side.\u003c\/p\u003e  \u003cp\u003eDimensions (HxWxD): 100 x 200 x 30 mm\u003c\/p\u003e","brand":"Defro","offers":[{"title":"Vaiketitel","offer_id":47098140885340,"sku":"DDSII25FSK","price":20.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/original-keramikstein-fur-defro-ds-ii-25-kw-6429320.webp?v=1770693449"},{"product_id":"defro-schamottstein-set-ds-20-ds-ii-25","title":"Defro fireclay brick for DS 20 \u0026 DS II 25 kW - primary brick, secondary brick or set","description":"\u003cdiv class=\"gema-section\"\u003e\n\u003ch2\u003eProduct Overview \u0026amp; Area of Application\u003c\/h2\u003e\n\u003cp\u003eThe Defro DS 20 \u0026amp; DS II 25 fireclay brick set is a matching spare part set for the combustion chamber of the mentioned Defro heating boilers. It is suitable for repair, replacement, and maintenance when existing fireclay bricks are worn, damaged, or need to be replaced as part of boiler maintenance.\u003c\/p\u003e\n\u003cp\u003eThis item is only available in the shop as a complete set. Selection of variants or individual purchase of single bricks is currently not possible for this item.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gema-section\"\u003e\n\u003ch2\u003eTechnology \u0026amp; Equipment\u003c\/h2\u003e\n\u003cp\u003eThe set consists of a primary brick and a secondary brick. The primary brick serves as a fireclay brick in the flame guide area, while the secondary brick is designed as a two-part fireclay element with two half shells.\u003c\/p\u003e\n\u003cp\u003eThe material used is fireclay or refractory ceramic. This material is intended for use in the firebox of solid fuel boilers and is used there as a heat-resistant combustion chamber element.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gema-section\"\u003e\n\u003ch2\u003eEveryday Benefits\u003c\/h2\u003e\n\u003cp\u003eBy replacing worn fireclay bricks, the combustion chamber can be restored with suitable spare parts. This is particularly useful when the existing bricks show cracks, breaks, or significant wear.\u003c\/p\u003e\n\u003cp\u003eSince the primary and secondary bricks are delivered together as a set, there is no need to select individual variants. This reduces confusion when ordering and is especially practical when both combustion chamber elements are to be replaced together.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gema-section\"\u003e\n\u003ch2\u003eSystem Integration \u0026amp; Compatibility\u003c\/h2\u003e\n\u003cp\u003eThe fireclay brick set is intended for Defro DS 20 kW and Defro DS II 25 kW heating boilers. Before installation, the boiler designation on the type plate or in the existing documents should be checked to ensure that the spare part matches the existing boiler version.\u003c\/p\u003e\n\u003cp\u003eThe set is intended as a spare part for the firebox or combustion chamber and is not described as a universal fireclay brick for other boiler series.\u003c\/p\u003e\n\u003c\/div\u003e\n\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\n\u003cdiv class=\"product-th\"\u003e\n\u003ch2\u003eTechnical data at a glance\u003c\/h2\u003e\n\u003cp\u003eThe following information refers to the product information provided for the fireclay brick set.\u003c\/p\u003e\n\u003ctable class=\"product-th__table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"product-th__label\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd class=\"product-th__value\"\u003eDefro\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"product-th__label\"\u003eProduct family\u003c\/td\u003e\n\u003ctd class=\"product-th__value\"\u003eSpare parts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"product-th__label\"\u003eProduct type\u003c\/td\u003e\n\u003ctd class=\"product-th__value\"\u003eSpare part\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"product-th__label\"\u003eSpare part type\u003c\/td\u003e\n\u003ctd class=\"product-th__value\"\u003eFireclay brick\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"product-th__label\"\u003eCompatible models\u003c\/td\u003e\n\u003ctd class=\"product-th__value\"\u003eDefro DS 20 kW, Defro DS II 25 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"product-th__label\"\u003eDesign\u003c\/td\u003e\n\u003ctd class=\"product-th__value\"\u003eSet of primary and secondary bricks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"product-th__label\"\u003ePrimary brick\u003c\/td\u003e\n\u003ctd class=\"product-th__value\"\u003ePrimary brick - L\/W\/H 350\/145\/100 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"product-th__label\"\u003eSecondary brick\u003c\/td\u003e\n\u003ctd class=\"product-th__value\"\u003eSecondary brick - L\/W\/H 352\/99\/2 x 43 mm, consisting of two half shells\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"product-th__label\"\u003eMaterial\u003c\/td\u003e\n\u003ctd class=\"product-th__value\"\u003eFireclay \/ refractory ceramic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gema-section\"\u003e\n\u003ch2\u003eInstallation\u003c\/h2\u003e\n\u003cp\u003eReplacement is carried out in the combustion chamber of the boiler. Before removing and inserting the fireclay bricks, the system must be completely cooled down. The existing support surfaces should be clean and free of loose residues so that the replacement bricks can be inserted correctly.\u003c\/p\u003e\n\u003cp\u003eIf there is any uncertainty regarding the boiler model, installation position, or the condition of other combustion chamber components, a specialist company or a qualified person should be consulted.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gema-section\"\u003e\n\u003ch2\u003eNotes\u003c\/h2\u003e\n\u003cp\u003eThe fit should be checked before ordering based on the boiler model and the existing fireclay bricks. Dimensions refer to the available product information.\u003c\/p\u003e\n\u003cp\u003eFireclay bricks are wear parts subject to thermal stress. Visible cracks, chipping, or severe wear can be an indication that replacement is advisable.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gema-section\"\u003e\n\u003ch2\u003eScope of delivery\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 x fireclay brick set Defro DS 20 \u0026amp; DS II 25\u003c\/li\u003e\n\u003cli\u003econsisting of primary stone and secondary stone\u003c\/li\u003e\n\u003cli\u003esecondary stone consisting of two half shells\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Defro","offers":[{"title":"Vaiketitel","offer_id":49351964524892,"sku":"DDSP20 + DDSS20","price":262.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/defro-schamottestein-set-fur-ds-20-und-ds-ii-25kw-heizkessel-8282631-1.png?v=1781521504"},{"product_id":"original-abgassensor-defro-fur-heizkessel","title":"Original exhaust gas sensor DEFRO for boilers","description":"\u003ch2\u003eOriginal exhaust gas sensor DEFRO for boilers\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eExhaust gas sensor DEFRO\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSuitable for boilers equipped with PID control (exhaust gas-guided).\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003ch3\u003eTechnical data:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMeasuring range: -25 to +480°C\u003c\/li\u003e\n\u003cli\u003eMeasuring tolerance: 0.3°C\u003c\/li\u003e\n\u003cli\u003eCable insulation: fiberglass\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Defro","offers":[{"title":"Vaiketitel","offer_id":47098972012892,"sku":"DEFROAS","price":75.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/original-abgassensor-defro-fur-heizkessel-7800848.webp?v=1770693083"},{"product_id":"gluehzuender-psx-2-maximale-elementtemperatur-anforderungen-moderner","title":"Glow igniter DEFRO PSX-2 for pellet boilers, ceramic base","description":"\u003ch2\u003ePSX-2 glow plug – The ideal ignition element for pellet boilers\u003c\/h2\u003e  \u003cp\u003eThe PSX-2 glow plug is a high-performance ignition element specifically designed for use in pellet boilers and pellet stoves. Its ceramic base ensures high reliability and durability. The glow plug is ready for installation and is used in steel pipes with an inner diameter of over 18 mm. Its innovative technology ensures fast and efficient ignition, making it ideal for modern heating systems.\u003c\/p\u003e  \u003ch3\u003eExcellent compatibility\u003c\/h3\u003e  \u003cp\u003eThe PSX-2 glow plug is compatible with Defro pellet boilers manufactured from 2015 onwards, including the Bioslim, Komfort Ekopell, Alfa II, Sigma Ekopell, Smart Ekopell, and Kompakt Ekopell models. This broad compatibility makes it a versatile replacement or retrofit part for pellet heating systems.\u003c\/p\u003e  \u003cp\u003eThanks to its stability and precise dimensions, the glow plug fits perfectly into most systems that rely on modern and energy-efficient heating methods. This ensures both safe and optimal combustion processes.\u003c\/p\u003e  \u003ch3\u003eMaximum heating output in the shortest possible time\u003c\/h3\u003e  \u003cp\u003eWith a power output of 300 watts, the PSX-2 glow plug heats air to high temperatures in a very short time. Thanks to the optimal combination of extremely high heating temperature and optimized geometric design, ignition achieves maximum efficiency. The maximum element temperature is an impressive 1000 °C during continuous operation, and even up to 1150 °C for short periods.\u003c\/p\u003e  \u003cp\u003eThe short ignition time of a maximum of 90 seconds ensures that heating cycles start quickly and reliably. Precise control of the operating time guarantees maximum efficiency of the heating system.\u003c\/p\u003e  \u003ch3\u003eLong lifespan and robust materials\u003c\/h3\u003e  \u003cp\u003eThe PSX-2 glow plug impresses with its outstanding service life, reaching up to 100,000 heating cycles. Even with frequent use, as is typical for pellet boilers, its functionality is maintained long-term. This is thanks to the robust ceramic base and high-quality materials, which make the glow plug resistant to wear and high temperatures.\u003c\/p\u003e  \u003cp\u003eEven during demanding heating cycles, the performance remains stable, making it a reliable choice for homeowners, professional installers or manufacturers.\u003c\/p\u003e  \u003ch3\u003eTechnical details at a glance\u003c\/h3\u003e  \u003cp\u003eThe PSX-2 glow plug impresses not only with its performance, but also with its precise dimensions and technical adaptability:\u003c\/p\u003e  \u003cul\u003e  \u003cli\u003ePower: 300 watts\u003c\/li\u003e  \u003cli\u003eLifespan: up to 100,000 heating cycles\u003c\/li\u003e  \u003cli\u003eIgnition time: maximum 90 seconds\u003c\/li\u003e  \u003cli\u003eMaximum element temperature (continuous operation): 1000 °C\u003c\/li\u003e  \u003cli\u003eMaximum element temperature for short periods: 1150 °C\u003c\/li\u003e  \u003cli\u003eSuitable for steel pipes with an inner diameter over 18 mm\u003c\/li\u003e  \u003cli\u003eMains connection: 230 V\u003c\/li\u003e  \u003cli\u003eFuze diameter: 11.6 mm\u003c\/li\u003e  \u003cli\u003eTotal length: 110 mm\u003c\/li\u003e  \u003c\/ul\u003e  \u003cp\u003eThese technical data show that the PSX-2 meets the requirements of modern pellet boiler systems and can be easily integrated into existing systems.\u003c\/p\u003e  \u003ch3\u003eEasy installation and safe operation\u003c\/h3\u003e  \u003cp\u003eThe PSX-2 glow plug is designed for easy installation. Its standardized design and optimized construction allow it to fit seamlessly into suitable steel tubes. This simplifies installation for both professionals and experienced DIYers.\u003c\/p\u003e  \u003cp\u003eAt the same time, the high-quality ceramic base guarantees safe operation even at high temperatures. This minimizes the risk of malfunctions or overheating – for greater safety and reliable heating performance.\u003c\/p\u003e  \u003ch3\u003eConclusion: An efficient ignition element for your pellet heating system\u003c\/h3\u003e  \u003cp\u003eThe PSX-2 glow plug is the ideal choice for anyone who wants to operate their pellet heating systems efficiently and reliably.With its high heating output, fast ignition time, and impressive lifespan, this ignition element sets new standards in energy efficiency. Thanks to its easy installation and broad compatibility, it meets the requirements of modern homes and heating systems. Choose the PSX-2 glow plug – and benefit from a powerful and durable solution for your pellet boilers.\u003c\/p\u003e","brand":"Defro","offers":[{"title":"Vaiketitel","offer_id":47099016511836,"sku":"DEFROGZ","price":90.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/gluhzunder-defro-psx-2-fur-pelletkessel-keramiksockel-9142461.webp?v=1770693130"},{"product_id":"geblase-wpa-117","title":"Blower WPA 117 Defro 3.9 KW solid fuel boiler","description":"\u003ch2\u003eDefro 3.9 WPA blower \u003c\/h2\u003e  \u003cp\u003ePressure blower type WPA 117 solid fuel boiler with electronic control\u003c\/p\u003e  \u003cp\u003eThe WPA 117 pressure blower fits the following Defro brand boilers: \u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e  \u003cul\u003e  \u003cli\u003eOptima Plus from model year 2009\u003c\/li\u003e  \u003cli\u003eOptima Komfort Plus from 2009\u003c\/li\u003e  \u003cli\u003eOptima Comfort Plus 3.9 kW\u003c\/li\u003e  \u003cli\u003eDelta Plus\u003c\/li\u003e  \u003cli\u003eEcono Plus\u003c\/li\u003e  \u003cli\u003eKDR Plus\u003c\/li\u003e  \u003cli\u003eall boilers with zPID package\u003c\/li\u003e  \u003cli\u003equiet fan for high efficiency\u003c\/li\u003e  \u003c\/ul\u003e  \u003cp\u003e  \u003c\/p\u003e  \u003cp\u003e  \u003c\/p\u003e  \u003cp\u003e*Technical changes reserved | Images may differ\u003c\/p\u003e","brand":"Defro","offers":[{"title":"Vaiketitel","offer_id":47101067133276,"sku":"DOKP39G","price":119.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/geblase-wpa-117-defro-39-kw-festbrennstoffkessel-9686246.webp?v=1770693156"},{"product_id":"keramikplatte-fur-den-defro-optima-komfort-plus-3-9-kw","title":"Ceramic plate for the Defro Optima Komfort Plus 3.9 kW","description":"\u003ch2\u003eDefro Optima Komfort Plus 3.9 kW ceramic cooktop\u003c\/h2\u003e  \u003cp\u003e  \u003c\/p\u003e  \u003cp\u003eOriginal spare part \u003c\/p\u003e  \u003cp\u003eceramic plate for the \u003cstrong\u003eDefro Optima Comfort Plus 3.9 kW\u003c\/strong\u003e  for the heat exchanger area as a flame deflector plate.\u003c\/p\u003e  \u003cp\u003e  \u003c\/p\u003e  \u003cp\u003e  \u003c\/p\u003e  \u003cp\u003e  \u003c\/p\u003e  \u003cp\u003e*Technical changes reserved | Images may differ\u003c\/p\u003e","brand":"Defro","offers":[{"title":"Vaiketitel","offer_id":47101087482204,"sku":"DOKP39KP","price":79.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/keramikplatte-fur-den-defro-optima-komfort-plus-39-kw-4907941.png?v=1770693202"},{"product_id":"defro-s3p-heizkesselsteuerung-maximale-belastung-optima-komfort-plus","title":"Defro S3P boiler control for Defro Optima Komfort Plus 3.9 kW","description":"\u003ch2\u003eDefro S3P Boiler Controller – Intelligent Control for Efficient Heat\u003c\/h2\u003e\n\u003cp\u003eThe Defro S3P boiler controller is the ideal addition for boilers of the type \u003cstrong\u003eDefro Optima Komfort Plus\u003c\/strong\u003e. With a power range of \u003cstrong\u003e3.9 kW \u003c\/strong\u003eto 35 kW, it provides comprehensive and precise control specifically designed for the requirements of modern heating systems. Thanks to innovative technologies, the controller ensures maximum efficiency and comfort in your home.\u003c\/p\u003e\n\u003ch3\u003eAdvanced Functions for Optimal Heating Performance\u003c\/h3\u003e\n\u003cp\u003eThe\u003cstrong\u003e Defro S3P controller\u003c\/strong\u003e uses a PID algorithm that enables flue-gas-guided modulation of the fan power. This advanced technology automatically adapts the heating output to the respective conditions, ensuring consistently high efficiency. At the same time, it minimizes energy consumption and thus contributes to an environmentally friendly heating solution.\u003c\/p\u003e\n\u003cp\u003eIn addition, both the boiler circuit pump and the domestic hot water charging pump can be controlled directly. This not only ensures a reliable heat supply, but also allows for a demand-based adjustment to your hot water needs. The controller also communicates seamlessly with a room thermostat to enable precise temperature control in the building area.\u003c\/p\u003e\n\u003ch3\u003eUser-friendly and flexibly adjustable display\u003c\/h3\u003e\n\u003cp\u003eThe Defro S3P is equipped with a modern display whose tilt angle can be individually adjusted between 45° and 105°. This allows the display to be read and operated comfortably, regardless of the installation height. The intuitive menu navigation ensures easy configuration and adjustment of the heating parameters.\u003c\/p\u003e\n\u003ch3\u003eComprehensive scope of delivery for quick commissioning\u003c\/h3\u003e\n\u003cp\u003eThe scope of delivery of the \u003cstrong\u003eDefro S3P boiler controller \u003c\/strong\u003eincludes everything you need for immediate use. In addition to the control unit itself, you will receive:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ea boiler sensor\u003c\/li\u003e\n\u003cli\u003ea domestic hot water tank sensor\u003c\/li\u003e\n\u003cli\u003ea flue gas sensor\u003c\/li\u003e\n\u003cli\u003ea safety temperature monitor\u003c\/li\u003e\n\u003cli\u003ea fan cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThanks to this extensive accessory package, you can easily integrate the controller into your existing heating system.\u003c\/p\u003e\n\u003ch3\u003eReliable safety and robust design\u003c\/h3\u003e\n\u003cp\u003eThe Defro S3P boiler controller is equipped with a safety temperature monitor that protects the heating system from overheating, ensuring safe operation. The robust materials and high manufacturing quality also guarantee a long service life, even under demanding operating conditions.\u003c\/p\u003e\n\u003cp\u003eIn addition, the device is designed for ambient temperatures from 10 to 50 °C and can therefore be operated safely even in unheated rooms. The 3.15A fuse and the maximum load of the pump and fan relays make this controller a reliable solution for your heating system.\u003c\/p\u003e\n\u003ch3\u003eTechnical details at a glance\u003c\/h3\u003e\n\u003cp\u003eFor a quick overview, here are the most important technical data of the Defro S3P boiler controller:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePower supply: 230V\/50Hz\u003c\/li\u003e\n\u003cli\u003ePermissible ambient temperature: 10–50 °C\u003c\/li\u003e\n\u003cli\u003eMeasuring range: 0–90 °C\u003c\/li\u003e\n\u003cli\u003eRequired fine-wire fuse: 3.15A\u003c\/li\u003e\n\u003cli\u003eMaximum load of the pump relay: 0.5A\u003c\/li\u003e\n\u003cli\u003eMaximum load of the fan relay: 0.6A\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEasy installation and operation\u003c\/h3\u003e\n\u003cp\u003eThe Defro S3P boiler controller impresses with its easy installation and user-friendly operation. The included instruction manual provides comprehensive support, allowing you to put the controller into operation quickly. With this controller, you not only optimize your heating operation, but also reduce operating costs and increase comfort in your home.\u003c\/p\u003e\n\u003ch3\u003eConclusion – Efficiency and comfort combined\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eDefro S3P boiler controller\u003c\/strong\u003e is an intelligent and efficient solution for the control of heating systems. With modern technologies, user-friendly operation, and extensive safety functions, it meets the highest demands. Increase the efficiency of your heating system and enjoy optimal comfort – with the Defro S3P boiler controller.\u003c\/p\u003e\n\u003ch3\u003eDownload\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" title=\"Operating instructions S3P\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/Bedienungsanleitung_Defro_S3P_Steuerung.pdf?v=1729244538\" target=\"_blank\" aria-label=\"Besuchen Sie eine Webseite über Bedienungsanleitung S3P\"\u003eOperating instructions\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Defro","offers":[{"title":"Vaiketitel","offer_id":47101102948700,"sku":"DS3P","price":202.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/defro-s3p-heizkesselsteuerung-fur-defro-optima-komfort-plus-39-kw-6898063.webp?v=1770693151"},{"product_id":"original-gussrost-fur-defro-ds-20kw-heizkessel","title":"Original cast iron grate for Defro DS 20kW boiler","description":"\u003ch2\u003eCast iron grate for Defro DS 20kW boiler\u003c\/h2\u003e  \u003cp\u003e\u003cstrong\u003eOriginal Defro spare part\u003c\/strong\u003e\u003c\/p\u003e  \u003cp\u003eReplacement grate for Defro DS 20\u003c\/p\u003e  \u003cp\u003e\u003cbr\u003eDimensions (HxWxD): 350x250x35mm \u003c\/p\u003e","brand":"Defro","offers":[{"title":"Vaiketitel","offer_id":47101142434140,"sku":"DSR20","price":108.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/original-gussrost-fur-defro-ds-20kw-heizkessel-4555048.png?v=1770693155"},{"product_id":"original-gussrost-fur-defro-ds-25-32-kw-heizkessel","title":"Original cast iron grate for DEFRO DS 25 - 32 kW boiler","description":"\u003ch2\u003e Cast iron grate for DEFRO DS 25 - 32 kW boilers\u003c\/h2\u003e  \u003cp\u003e\u003cstrong\u003eOriginal spare part for DEFRO DS 25 - 32\u003c\/strong\u003e\u003c\/p\u003e  \u003cp\u003e\u003cbr\u003eDimensions (H x W x D): 400 x 350 x 35 mm\u003c\/p\u003e","brand":"Defro","offers":[{"title":"Vaiketitel","offer_id":47101152362844,"sku":"DSR2532","price":118.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/original-gussrost-fur-defro-ds-25-32-kw-heizkessel-2582806.webp?v=1770693148"},{"product_id":"ntc10-fuehler-gema-control-plum-ecomax-boilers-boiler-zubehoer","title":"NTC10 sensor temperature sensor for Gema Control and Plum ecoMax 920","description":"\u003ch2\u003eNTC10 sensor for Gema Control – precision and versatility\u003c\/h2\u003e  \u003cp\u003eThe NTC10 sensor offers reliable and precise temperature measurement for demanding applications. Specifically designed for use with Gema Control 920 and Plum ecoMax 920 i2, this sensor impresses with its durability and accurate measurement results. Easy to use and versatile, the NTC10 sensor is the ideal choice for your system control.\u003c\/p\u003e  \u003ch3\u003eCompatibility with Gema Control 920 and Plum ecoMax 920 i2\u003c\/h3\u003e  \u003cp\u003eThe NTC10 sensor was specifically designed to work seamlessly with the Gema Control 920 and Plum ecoMax 920 i2 devices. This compatibility ensures optimal functionality and guarantees that your systems operate efficiently and precisely. Thanks to the sensor's simple integration into your control systems, no additional modifications are necessary.\u003c\/p\u003e  \u003cp\u003eThanks to its precise compatibility with these devices, the NTC10 sensor guarantees accurate temperature measurements, which is particularly important in environments where temperature control plays a central role. This makes it an ideal solution for applications in industrial and residential settings.\u003c\/p\u003e  \u003ch3\u003eMaximum precision through innovative technology\u003c\/h3\u003e  \u003cp\u003eThe NTC10 sensor is based on state-of-the-art temperature measurement technology, ensuring high measurement accuracy. The sensor reacts extremely quickly to temperature fluctuations, making it an excellent choice for dynamic processes. This ensures that your system always responds optimally to temperature changes.\u003c\/p\u003e  \u003cp\u003eWith its compact design and robust construction, the sensor is designed for a long service life. Measurement accuracy is maintained even under harsh environmental conditions, making the NTC10 sensor a reliable solution for demanding applications.\u003c\/p\u003e  \u003ch3\u003eEasy installation and versatile applications\u003c\/h3\u003e  \u003cp\u003eThe NTC10 sensor is easy and quick to install. Thanks to its universal design, it is not only compatible with the aforementioned devices but also suitable for other temperature measurement applications. This makes it an extremely versatile product.\u003c\/p\u003e  \u003cp\u003eWhether in the control of heating systems, industrial processes, or other areas where temperature regulation is crucial – the NTC10 sensor offers reliable performance. Its high resistance to external influences ensures that the sensor can be used both indoors and outdoors.\u003c\/p\u003e  \u003ch3\u003eWhy the NTC10 sensor is the right choice\u003c\/h3\u003e  \u003cp\u003eThe NTC10 sensor is a product that impresses with its quality, precision, and versatility. Its specific compatibility with Gema Control 920 and Plum ecoMax 920 i2 guarantees seamless integration and optimal performance. Furthermore, the sensor is suitable for both professional and home use.\u003c\/p\u003e  \u003cp\u003eChoose the NTC10 sensor and benefit from a robust and durable sensor that measures temperature fluctuations with the highest precision. A product that offers you not only control, but also confidence in your systems.\u003c\/p\u003e","brand":"Defro","offers":[{"title":"Vaiketitel","offer_id":47206970098012,"sku":"NTC10","price":14.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/ntc10-fuhler-temperatursensor-fur-gema-control-und-plum-ecomax-920-9401912.webp?v=1770693206"},{"product_id":"defro-duo-ekopell-brennerschale","title":"Defro Duo Ekopell burner bowl","description":"\u003ch2\u003eDefro Duo Ekopell burner bowl\u003c\/h2\u003e  \u003cp\u003eDefro original spare part for Defro Duo Ekopell 15 and 25 kW.\u003c\/p\u003e","brand":"Defro","offers":[{"title":"15kW","offer_id":47827864453468,"sku":"DDE15BR","price":104.0,"currency_code":"EUR","in_stock":true},{"title":"25kW","offer_id":47827864486236,"sku":"DDE25BR","price":119.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/defro-duo-ekopell-brennerschale-2301849.png?v=1770692802"},{"product_id":"schamottstein-set-defro-ds-25-ds-35","title":"Fireclay brick set Defro DS 25 \u0026 DS 35","description":"\u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eProduct Overview \u0026amp; Area of Application\u003c\/h2\u003e \u003cp\u003eThe Defro DS 25 \u0026amp; DS 35 fireclay brick set is a matching spare part set for the combustion chamber of the mentioned Defro heating boilers. It is suitable for repair, replacement, and maintenance when existing fireclay bricks are worn, damaged, or need to be replaced as part of boiler maintenance.\u003c\/p\u003e \u003cp\u003eThis item is only available in the shop as a complete set. Selection of variants or individual purchase of single bricks is currently not available for this item.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eTechnology \u0026amp; Equipment\u003c\/h2\u003e \u003cp\u003eThe set consists of a primary brick and a secondary brick. The primary brick serves as a fireclay brick in the flame guide area, while the secondary brick is designed as a two-part fireclay element with two half shells.\u003c\/p\u003e \u003cp\u003eThe material used is fireclay or refractory ceramic. This material is intended for use in the firebox of solid fuel boilers and is used there as a heat-resistant combustion chamber element.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eEveryday Benefits\u003c\/h2\u003e \u003cp\u003eBy replacing worn fireclay bricks, the combustion chamber can be restored with suitable spare parts. This is particularly useful when the existing bricks show cracks, breaks, or significant wear.\u003c\/p\u003e \u003cp\u003eSince the primary brick and secondary brick are delivered together as a set, the selection of individual variants is eliminated. This reduces confusion when ordering and is especially practical when both combustion chamber elements are to be replaced together.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eSystem Integration \u0026amp; Compatibility\u003c\/h2\u003e \u003cp\u003eThe fireclay brick set is intended for Defro DS 25 kW and Defro DS 35 kW boilers. Before installation, the boiler designation on the type plate or in the existing documents should be checked to ensure that the spare part matches the existing boiler version.\u003c\/p\u003e \u003cp\u003eThe set is intended as a spare part for the firebox or combustion chamber and is not described as a universal fireclay brick for other boiler series.\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 \u003cp\u003eThe following information refers to the product information provided for the fireclay brick set.\u003c\/p\u003e \u003ctable class=\"product-th__table\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eManufacturer\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eDefro\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eProduct family\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eSpare parts\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eProduct type\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eSpare part\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eSpare part type\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eFireclay brick\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eCompatible models\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eDefro DS 25 kW, Defro DS 35 kW\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eDesign\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eSet of primary and secondary brick\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003ePrimary brick\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eL\/W\/H 400\/145\/100 mm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eSecondary brick\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eL\/W\/H 398\/99\/2 x 50 mm, consisting of two half shells\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eMaterial\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eFireclay \/ refractory ceramic\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\u003eReplacement takes place in the combustion chamber of the boiler. Before removing and inserting the fireclay bricks, the system must be completely cooled down. The existing support surfaces should be clean and free of loose residue so that the replacement bricks can be inserted correctly.\u003c\/p\u003e \u003cp\u003eIf there is any uncertainty regarding the boiler model, installation position, or the condition of other combustion chamber components, a specialist company or qualified person should be consulted.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eNotes\u003c\/h2\u003e \u003cp\u003eThe fit should be checked before ordering based on the boiler model and the existing fireclay bricks. The dimensions refer to the available product information.\u003c\/p\u003e \u003cp\u003eFireclay bricks are thermally stressed wear parts. Visible cracks, chipping, or severe wear can be an indication that replacement is advisable.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eScope of delivery\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e1 x Fireclay brick set Defro DS 25 \u0026amp; DS 35\u003c\/li\u003e \u003cli\u003econsisting of primary stone and secondary stone\u003c\/li\u003e \u003cli\u003esecondary stone consisting of two half shells\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e","brand":"Defro","offers":[{"title":"Vaiketitel","offer_id":58061990297948,"sku":"DDSP32 + DDSS32","price":326.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/defro-schamottestein-set-fur-ds-20-und-ds-ii-25kw-heizkessel-8282631-1.png?v=1781521504"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/collections\/kategoriebild_defro_ez.png?v=1779426943","url":"https:\/\/ee.gemashop.de\/en\/collections\/defro-ersatzteile.oembed","provider":"GEMA Shop","version":"1.0","type":"link"}