{"product_id":"hamworthy-sherborne-s65-s70c-hot-surface-igniter-assy-563801011","title":"Hamworthy Sherborne S65 \u0026 S70C HOT SURFACE IGNITER ASSY 563801011","description":"\u003ch1\u003e\u003cspan\u003eHamworthy Sherborne S65 S70C Boiler Hot Surface Igniter Assembly 563801011\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\u003eHamworthy Hot Surface Igniter Assembly (Part Number: 563801011)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is an electrical ignition component designed for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eHamworthy Sherborne S65 and S70C\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e gas-fired boilers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe igniter forms part of the boiler's combustion and ignition system, providing the heat required to ignite the gas and air mixture during the burner start-up sequence.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlike a conventional spark electrode, a hot surface igniter uses an electrically heated element to initiate combustion.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCorrect igniter operation is important for reliable burner ignition and the normal operation of the boiler's combustion system.\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 part 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 igniters should be professionally inspected and electrically tested to confirm their condition and suitability before installation.\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 hot surface igniter operates by heating an electrical element to a temperature sufficient to ignite the gas and air mixture when the boiler's control system initiates the ignition sequence.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOver time, the heating element may deteriorate due to repeated heating cycles, thermal stress, contamination or electrical faults.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePossible symptoms that may indicate a hot surface igniter or associated ignition problem include:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBoiler failing to ignite during the normal start-up sequence.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIgniter failing to heat when ignition is requested.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIntermittent or unreliable burner ignition.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRepeated ignition attempts without successful flame establishment.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBoiler entering an ignition-related safety lockout.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eVisible cracks or deterioration affecting the igniter element.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDamaged or deteriorated electrical connections.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIgnition faults identified during professional testing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThese symptoms do \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003enot necessarily confirm a faulty hot surface igniter\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, as similar problems may result from the gas valve, ignition controller, wiring, gas supply or other combustion components. Correct professional diagnosis should be carried out before replacing the igniter.\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 hot surface igniters are safety-related components within gas-fired heating appliances. Inspection, removal and installation must only 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 who is suitably qualified for the appliance and work being undertaken.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003eAlways isolate the appliance's electrical and gas supplies before carrying out any work. Allow the burner and ignition components to cool completely before handling.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003eFollow the manufacturer's installation and servicing instructions. Ensure the correct igniter is fitted and avoid touching or damaging the sensitive heating element.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003eAppropriate electrical safety, ignition, flame supervision, combustion and operational safety checks must be completed before returning the boiler to service.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"Hamworthy","offers":[{"title":"New Other","offer_id":51532209422439,"sku":"N7654","price":82.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/2062842.jpg?v=1794328751","url":"https:\/\/nationalboilerspares.co.uk\/products\/hamworthy-sherborne-s65-s70c-hot-surface-igniter-assy-563801011","provider":"National Boiler Spares","version":"1.0","type":"link"}