{"product_id":"vaillant-ecotec-plus-pro-exclusive-ecomax-casing-screws-10pcs-105839","title":"Vaillant ecoTEC Plus Pro Exclusive ecoMAX Casing Screws (10PCS) 105839","description":"\u003ch1\u003e\u003cspan\u003eVaillant ecoTEC Plus Pro Exclusive ecoMAX Boiler Casing Screws (10PCS) 105839\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch2\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eVaillant Boiler Casing Screws (Part Number: 105839)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e are mechanical fastening components designed for selected \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eVaillant\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e boiler systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSupplied as a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003epack of 10 screws (10PCS)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, these components are used within the boiler's casing and associated mounting arrangements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe screws help secure the relevant casing components in their intended positions, supporting correct assembly and mechanical stability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCorrect installation is important for maintaining the integrity of the boiler's casing arrangement.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eℹ️ Product Condition Options:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis product may be available in \u003c\/span\u003e\u003cem\u003e\u003cspan\u003eNew\u003c\/span\u003e\u003c\/em\u003e\u003cspan\u003e or \u003c\/span\u003e\u003cem\u003e\u003cspan\u003eRefurbished\u003c\/span\u003e\u003c\/em\u003e\u003cspan\u003e condition. Please select your desired option from the dropdown menu above. Refurbished screws should be inspected for thread damage, corrosion, deformation and general wear before use.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe casing screws are mechanical fasteners used to secure designated components within the boiler's casing assembly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eVaillant identifies part number \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e105839\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e within the casing section of its spare-parts documentation. The correct screws must be used to maintain the manufacturer's intended fixing arrangement.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOver time, screws may become damaged through repeated removal, incorrect tightening, corrosion or mechanical wear.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePossible signs that casing screws may require inspection or replacement include:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMissing or lost casing screws.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDamaged or stripped screw threads.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCorrosion or visible deterioration.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBent or physically damaged screws.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eScrew heads becoming worn or rounded.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCasing components not being securely retained.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eScrews damaged during servicing or maintenance.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThese signs do \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003enot necessarily indicate damage to the casing itself\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, as problems may also result from worn mounting points or incorrect assembly. The relevant fixings should be inspected before replacement.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCompatibility\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis part (MPN: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e105839\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e) is associated with selected \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eVaillant ecoTEC Plus, ecoTEC Pro, ecoTEC Exclusive and ecoMAX\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e boiler systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePack Contents: 10 × Casing Screws.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePlease verify the exact boiler model, part number, screw dimensions and fixing position against the manufacturer's technical documentation before ordering to ensure correct fitment.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eSafety Advice\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003eBoiler casing screws and associated fixings must be installed in accordance with the manufacturer's servicing instructions. Where casing removal provides access to internal gas, electrical or combustion components, the work must be carried out by a \u003c\/span\u003e\u003c\/em\u003e\u003cstrong\u003e\u003cem\u003e\u003cspan\u003eGas Safe registered engineer\u003c\/span\u003e\u003c\/em\u003e\u003c\/strong\u003e\u003cem\u003e\u003cspan\u003e suitably qualified for the appliance.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003eAlways ensure the correct screws are used and securely fitted. Where the casing forms part of a room-sealed combustion enclosure, all disturbed components and seals must be correctly refitted and the required safety checks completed before the appliance is returned to service.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"VAILLANT","offers":[{"title":"New \/ Genuine","offer_id":50719851184231,"sku":"N9623","price":8.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/edited-photo-2026-10-30T145716.329.jpg?v=1793372242","url":"https:\/\/nationalboilerspares.co.uk\/products\/vaillant-ecotec-plus-pro-exclusive-ecomax-casing-screws-10pcs-105839","provider":"National Boiler Spares","version":"1.0","type":"link"}