{"title":"Sime","description":"\u003cp\u003eSime at BHL: products listed in categories across BHL's departments. Sime ranges here include \u003ca href=\"\/collections\/boiler-spares\"\u003eBoiler Spares\u003c\/a\u003e and \u003ca href=\"\/collections\/valves\"\u003eValves\u003c\/a\u003e, within the \u003ca href=\"\/collections\/heating-plumbing\"\u003eHeating \u0026amp; Plumbing\u003c\/a\u003e department.\u003c\/p\u003e\n\u003ch2\u003eSime by category\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/boiler-spares\"\u003eBoiler Spares\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/valves\"\u003eValves\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eBuying Sime at BHL\u003c\/h2\u003e\n\u003cp\u003eTo find a specific Sime item, start from the categories linked above, including \u003ca href=\"\/collections\/boiler-spares\"\u003eBoiler Spares\u003c\/a\u003e and \u003ca href=\"\/collections\/heating-plumbing\"\u003eHeating \u0026amp; Plumbing\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/boiler-spares\"\u003eBoiler Spares\u003c\/a\u003e also holds products from other brands, as do the other categories linked above.\u003c\/p\u003e\n\u003ch2\u003eSime FAQs\u003c\/h2\u003e\n\u003ch3\u003eWhich Sime products does BHL list?\u003c\/h3\u003e\n\u003cp\u003eSime products, in categories including \u003ca href=\"\/collections\/boiler-spares\"\u003eBoiler Spares\u003c\/a\u003e and \u003ca href=\"\/collections\/valves\"\u003eValves\u003c\/a\u003e. All of them are on this page.\u003c\/p\u003e\n\u003ch3\u003eWhich categories is Sime listed in?\u003c\/h3\u003e\n\u003cp\u003eCategories across BHL's departments, including \u003ca href=\"\/collections\/boiler-spares\"\u003eBoiler Spares\u003c\/a\u003e and \u003ca href=\"\/collections\/valves\"\u003eValves\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eOther brands in \u003ca href=\"\/collections\/boiler-spares\"\u003eBoiler Spares\u003c\/a\u003e: \u003ca href=\"\/collections\/brand-baxi\"\u003eBaxi\u003c\/a\u003e, \u003ca href=\"\/collections\/brand-bosch\"\u003eBosch\u003c\/a\u003e, \u003ca href=\"\/collections\/brand-worcester-bosch\"\u003eWorcester Bosch\u003c\/a\u003e and \u003ca href=\"\/collections\/brand-stelrad\"\u003eStelrad\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"sime1-sime-6089708-gas-valve-6089700-w468748","title":"Sime Heating 6089708 Gas Valve, Boiler Gas Control Valve, Replacement Gas Valve Assembly, Heating Boiler Spare Part, Natural Gas Valve","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe Sime Heating 6089708 gas valve is a boiler spare part designed to regulate gas flow within compatible Sime heating appliances. It helps maintain safe, consistent burner operation and supports reliable boiler performance. Ideal as a like-for-like replacement when a worn or faulty valve is causing ignition or flame stability issues.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision gas flow control\u003c\/strong\u003e – helps support stable ignition and consistent heat output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect replacement boiler spare\u003c\/strong\u003e – designed for straightforward servicing when the original gas valve fails.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproves operational reliability\u003c\/strong\u003e – helps reduce nuisance lockouts linked to gas regulation problems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for professional maintenance\u003c\/strong\u003e – a dependable component choice for planned repairs and breakdown callouts.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eUse Case \/ Application\u003c\/h2\u003e\u003cp\u003eUsed within compatible Sime boilers and heating appliances as part of the gas control system. Commonly fitted during boiler servicing and repairs in domestic heating systems, such as:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eUtility rooms and kitchens where the boiler is installed\u003c\/li\u003e\n\u003cli\u003eHomes experiencing intermittent ignition, poor flame stability, or lockouts\u003c\/li\u003e\n\u003cli\u003ePlanned preventative maintenance for older boilers\u003c\/li\u003e\n\u003cli\u003eLandlord and property maintenance repairs between tenancies\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProblem → Solution\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eIdeal for\u003c\/strong\u003e replacing a faulty boiler gas control valve to restore safer, more reliable burner operation and consistent heating performance.\u003c\/p\u003e\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e – Sime Heating\u003cbr\u003e\u003cstrong\u003eManufacturer Part Number (MPN)\u003c\/strong\u003e – 6089700\u003cbr\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e – Gas Valve (Boiler Gas Control Valve)\u003cbr\u003e\u003cstrong\u003eTypical Applications \/ Use Cases\u003c\/strong\u003e – Replacement gas valve for compatible Sime boilers and heating appliances; used during servicing and repair of domestic heating systems\u003c\/p\u003e\u003ch2\u003eWhy Buy from BHL\u003c\/h2\u003e\u003cp\u003eSime Heating is a trusted name in boiler components, supplying parts designed to keep heating systems running safely and efficiently. Order the Sime Heating 6089708 gas valve (Part Number 6089700) from BHL for competitive pricing and free* and fast UK delivery. BHL are a specialist online merchant, trusted by thousands of satisfied customers online since 1998 with thousands of 5 star reviews. Buy online today for genuine parts delivered with care from UK warehouses. *see our terms\u003c\/p\u003e","brand":"Sime","offers":[{"title":"Default Title","offer_id":59252715815237,"sku":"W-468748","price":645.04,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1094\/7290\/7589\/files\/w-468748.jpg?v=1788987164"},{"product_id":"sime-6230687-main-printed-circuit-board-with-ignition-6230687-w468791","title":"Sime Heating 6230687 Main Printed Circuit Board with Ignition, PCB, Control Board, Boiler PCB, Ignition Module","description":"\u003cp\u003eThe Sime 6230687 main printed circuit board with ignition is a replacement control PCB designed to manage key boiler functions, including ignition control. If your system is suffering from ignition faults, intermittent lockouts or unreliable operation, replacing the main PCB can help restore correct performance when diagnosed as the cause.\u003c\/p\u003e\u003ch2\u003eProduct Features\u003c\/h2\u003e\u003cul\u003e  \u003cli\u003eMain boiler control PCB with ignition function\u003c\/li\u003e  \u003cli\u003eDesigned for compatibility with specified Sime Heating appliances\u003c\/li\u003e  \u003cli\u003eSupports stable operation by controlling ignition and system sequencing\u003c\/li\u003e  \u003cli\u003eIdeal replacement part when the original board is damaged or faulty\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\u003cul\u003e  \u003cli\u003e\n\u003cstrong\u003eManufacturer\u003c\/strong\u003e – Sime Heating\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number (MPN)\u003c\/strong\u003e – 6230687\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eManufacturer Range \/ Series\u003c\/strong\u003e – Not specified\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e – Main printed circuit board with ignition, boiler control PCB\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eTypical Applications \/ Use Cases\u003c\/strong\u003e – Boiler control and ignition management in compatible Sime Heating systems\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e – Ignition control via main PCB (additional technical data not specified)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSime Heating is a recognised manufacturer of heating components and boiler spares. Buy online from BHL for competitive pricing and free* fast UK delivery on the Sime 6230687 main printed circuit board with ignition, Part Number 6230687. *see our terms\u003c\/p\u003e","brand":"Sime","offers":[{"title":"Default Title","offer_id":59252715848005,"sku":"W-468791","price":305.35,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1094\/7290\/7589\/files\/w-468791.jpg?v=1788987166"},{"product_id":"sime1-sime-6040201-pressure-relief-valve-6040201-w476406","title":"Sime Heating Pressure Relief Valve, Safety Relief Valve, Boiler PRV, Overpressure Valve","description":"\u003ch2\u003e\u003c\/h2\u003e\u003cp\u003eThe Sime Heating 6040201 pressure relief valve is a safety component designed to help protect heating systems by relieving excess pressure. Commonly fitted within boiler and sealed central heating assemblies, it helps maintain safe operating conditions by opening at a set pressure point and discharging water to prevent over-pressurisation.\u003c\/p\u003e\u003cp\u003eIdeal for maintenance and repair work, this replacement pressure relief valve is suited to engineers and homeowners looking to restore correct safety operation with a compatible, like-for-like part.\u003c\/p\u003e\u003ch2\u003eProduct Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHelps protect the heating system by relieving excessive pressure\u003c\/li\u003e\n\u003cli\u003eSuitable for boiler and sealed heating system safety circuits\u003c\/li\u003e\n\u003cli\u003eReplacement safety valve for servicing and repairs\u003c\/li\u003e\n\u003cli\u003eDesigned for use with compatible Sime Heating appliances\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer\u003c\/strong\u003e – Sime Heating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number (MPN)\u003c\/strong\u003e – 6040201\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e – Pressure Relief Valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical Applications \/ Use Cases\u003c\/strong\u003e – Boiler safety circuit; sealed central heating system overpressure protection\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSime Heating designs and manufactures components for domestic and commercial heating systems, with a strong focus on safety and reliability. Buy the Sime Heating 6040201 pressure relief valve online from BHL for competitive pricing and free* fast UK delivery on eligible orders. See our terms.\u003c\/p\u003e","brand":"Sime","offers":[{"title":"Default Title","offer_id":59252815888709,"sku":"W-476406","price":22.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1094\/7290\/7589\/files\/w-476406.jpg?v=1788987760"},{"product_id":"sime-6243820-sigma-6243820-w477301","title":"Sime Heating Sigma Boiler Spare Part, Sigma Component, Replacement Part, Heating Spares, Boiler Parts","description":"\u003cp\u003eSime Heating part 6243820 is a Sigma range spare component designed for use within compatible Sime Heating boiler and heating systems. It is supplied as a replacement part to help maintain performance, reliability and safe operation when servicing or repairing an existing installation.\u003c\/p\u003e\u003ch2\u003eProduct Features\u003c\/h2\u003e\u003cul\u003e  \u003cli\u003eGenuine Sime Heating spare part for Sigma systems\u003c\/li\u003e  \u003cli\u003eIdeal for boiler servicing, maintenance and repairs\u003c\/li\u003e  \u003cli\u003eHelps restore correct operation when replacing worn or faulty components\u003c\/li\u003e  \u003cli\u003eDesigned to match original fit and compatibility where specified by the manufacturer\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\u003cul\u003e  \u003cli\u003e\n\u003cstrong\u003eManufacturer\u003c\/strong\u003e – Sime Heating\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number (MPN)\u003c\/strong\u003e – 6243820\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eManufacturer Range \/ Series\u003c\/strong\u003e – Sigma\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e – Boiler spare part\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eTypical Applications \/ Use Cases\u003c\/strong\u003e – Replacement component for compatible Sime Heating Sigma boiler and heating system repairs and servicing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSime Heating manufactures dependable heating components and boiler spares used in domestic and commercial applications. Buy online from BHL for competitive pricing and free* fast UK delivery on the Sime Heating Sigma spare part Part Number: 6243820. *see our terms\u003c\/p\u003e","brand":"Sime","offers":[{"title":"Default Title","offer_id":59252819591493,"sku":"W-477301","price":267.05,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1094\/7290\/7589\/files\/w-477301.jpg?v=1788987775"},{"product_id":"sime-6281540-diaphragm-kit-6281540-w477313","title":"Sime Heating 6281540 Technyl Diaphragm Kit, Diaphragm Repair Kit, Membrane Kit, Replacement Diaphragm, Service Kit, Includes Instructions","description":"Sime Heating 6281540 Technyl Diaphragm Kit is a replacement diaphragm membrane kit supplied with fitting instructions. Designed for servicing and restoring correct operation on compatible Sime Heating appliances where a Technyl diaphragm is used. Ideal for planned maintenance or like for like replacement when the existing diaphragm is worn, split or leaking.\u003ch2\u003eProduct Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement Technyl diaphragm kit for compatible Sime Heating equipment\u003c\/li\u003e\n\u003cli\u003eSupplied with instructions to support correct installation\u003c\/li\u003e\n\u003cli\u003eSuitable for maintenance and repair to help restore reliable performance\u003c\/li\u003e\n\u003cli\u003eManufacturer referenced part for accurate identification and ordering\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer\u003c\/strong\u003e – Sime Heating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number (MPN)\u003c\/strong\u003e – 6281540\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack Contents \/ Includes\u003c\/strong\u003e – Diaphragm kit; instructions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e – Diaphragm kit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003e \u003c\/h2\u003eSime Heating manufactures heating components and spare parts used across a wide range of systems. Buy the Sime Heating 6281540 diaphragm kit online from BHL with competitive pricing and free* fast UK delivery on qualifying orders. Order today for the correct part first time. *see our terms","brand":"Sime","offers":[{"title":"Default Title","offer_id":59252820214085,"sku":"W-477313","price":64.73,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1094\/7290\/7589\/files\/w-477313.jpg?v=1788987776"},{"product_id":"sime-5192602-pump-6135924-w477383","title":"Sime Heating 5192602 Pump, Boiler Circulation Pump, Central Heating Pump, Replacement Pump","description":"\u003cp\u003eThe Sime Heating 5192602 pump is a replacement circulation pump used within compatible Sime Heating boiler and central heating systems. Designed to help maintain reliable water circulation through the heating circuit, it is an ideal choice when replacing a worn or faulty pump to restore system performance.\u003c\/p\u003e\u003ch2\u003eProduct Features\u003c\/h2\u003e\u003cul\u003e  \u003cli\u003eReplacement pump for compatible Sime Heating heating systems\u003c\/li\u003e  \u003cli\u003eSupports consistent circulation within the boiler and central heating circuit\u003c\/li\u003e  \u003cli\u003eSuitable for maintenance and repair of existing installations\u003c\/li\u003e  \u003cli\u003eSupplied as an individual pump unit (as specified by the manufacturer part number)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\u003cul\u003e  \u003cli\u003e\n\u003cstrong\u003eManufacturer\u003c\/strong\u003e – Sime Heating\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number (MPN)\u003c\/strong\u003e – 6135924\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e – Pump\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eTypical Applications \/ Use Cases\u003c\/strong\u003e – Boiler servicing and repairs, central heating circulation pump replacement in compatible Sime Heating systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSime Heating manufactures a wide range of heating components and boiler spares used across domestic and commercial systems. Buy online from BHL for competitive pricing and free* and fast UK delivery on the Sime Heating 5192602 pump, Part Number: 6135924. *see our terms\u003c\/p\u003e","brand":"Sime","offers":[{"title":"Default Title","offer_id":59252821819717,"sku":"W-477383","price":320.57,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1094\/7290\/7589\/files\/w-477383.jpg?v=1788987778"},{"product_id":"sime1-sime-6261405-fan-6261405-w477384","title":"Sime Heating 6261405 Fan, Boiler Fan Assembly, Combustion Air Fan, Flue Fan Motor, Replacement Boiler Fan, Spare Part","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\u003cp\u003eThe Sime Heating 6261405 fan is a replacement boiler fan assembly designed to support correct combustion and flue operation in compatible Sime Heating boiler systems. A correctly functioning fan helps maintain safe airflow through the combustion chamber and supports efficient boiler performance. This part is suitable for servicing and repair where a worn or failed fan is causing ignition, airflow, or flue related faults.\u003c\/p\u003e\u003ch2\u003eProduct Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement boiler fan to support stable combustion airflow\u003c\/li\u003e\n\u003cli\u003eHelps restore reliable boiler operation when replacing a faulty fan\u003c\/li\u003e\n\u003cli\u003eDesigned for compatibility with specific Sime Heating boiler models\u003c\/li\u003e\n\u003cli\u003eIdeal for maintenance, breakdown repairs, and planned servicing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer\u003c\/strong\u003e – Sime Heating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number (MPN)\u003c\/strong\u003e – 6261405\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e – Boiler fan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical Applications \/ Use Cases\u003c\/strong\u003e – Boiler repair and servicing; replacement of combustion air and flue fan assemblies in compatible boiler systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSime Heating manufactures heating components and boiler spares designed to keep systems running efficiently when maintained with the correct parts. Buy the Sime Heating 6261405 fan online from BHL for competitive pricing and free* fast UK delivery on eligible orders. Choose BHL for quality service and the right part for the job. \u003cem\u003e*see our terms\u003c\/em\u003e\u003c\/p\u003e","brand":"Sime","offers":[{"title":"Default Title","offer_id":59252821950789,"sku":"W-477384","price":394.63,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1094\/7290\/7589\/files\/w-477384.jpg?v=1788987780"},{"product_id":"sime1-sime-6230692-control-board-6230692-w477386","title":"Sime Heating Control Board, PCB Controller, Boiler Control PCB, Electronic Control Module","description":"Sime Heating 6230692 is a genuine replacement control board designed to manage key boiler operating functions and support stable, efficient system performance. If your boiler is experiencing lockouts, ignition control issues or intermittent faults linked to electronics, replacing the PCB control board can help restore correct operation when installed and configured by a qualified engineer.\u003ch2\u003eProduct Features\u003c\/h2\u003e\u003cul\u003e  \u003cli\u003eReplacement electronic control board for compatible Sime boiler systems\u003c\/li\u003e  \u003cli\u003eHelps manage boiler operation, safety functions and system control signals\u003c\/li\u003e  \u003cli\u003eIdeal for servicing, repairs and maintenance where a faulty PCB is suspected\u003c\/li\u003e  \u003cli\u003eGenuine Sime part matched to the specified manufacturer part number\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\u003cul\u003e  \u003cli\u003e\n\u003cstrong\u003eManufacturer\u003c\/strong\u003e – Sime Heating\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number (MPN)\u003c\/strong\u003e – 6230692\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e – Control board\u003c\/li\u003e\n\u003c\/ul\u003eSime Heating manufactures trusted heating components and boiler spares used across domestic and commercial systems. Buy the Sime Heating 6230692 control board from BHL for competitive pricing and free* fast UK delivery. 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