{"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":"Default Title","offer_id":58061990297948,"sku":"DDSP32 + DDSS32","price":320.03,"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","url":"https:\/\/mt.gemashop.de\/products\/schamottstein-set-defro-ds-25-ds-35","provider":"GEMA Shop","version":"1.0","type":"link"}