{"product_id":"reznor-ignition-control-s4570ls","title":"Reznor Ignition Control S4570LS","description":"\n    \u003ch1\u003eReznor Ignition Control S4570LS\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eReznor Ignition Control S4570LS\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eReznor\u003c\/strong\u003e heating systems. This Printed Circuit Board (PCB) acts as the central intelligence of the boiler, orchestrating ignition, safety monitoring, and temperature regulation. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: printed circuit board (PCB) may be faulty. Inspect wiring continuity between the sensor and PCB. Replace the flame sensor only if readings Buy Reznor unit heater circuit boards online at PartsHnC. We provide reliable replacements for optimal performance. Shop now for top-quality components.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as intermittent lockouts, unresponsive controls, failure to ignite, or specific electronic fault codes (e.g., internal error)..\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003eS4570LS\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eReznor\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"National Boiler Spares","offers":[{"title":"New \/ Compatible","offer_id":57929244016985,"sku":"N7915","price":120.99,"currency_code":"GBP","in_stock":false},{"title":"Refurbished \/ Direct Sale","offer_id":57929244049753,"sku":"N3941-1","price":64.89,"currency_code":"GBP","in_stock":true},{"title":"Refurbished \/ Repair Service","offer_id":57929244082521,"sku":"N3941-2","price":48.39,"currency_code":"GBP","in_stock":true},{"title":"Refurbished \/ Advance Replacement Service","offer_id":57929244115289,"sku":"N3941-3","price":78.39,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1040\/1411\/9257\/files\/2-Honeywell-SPC-Control-Box-S4570LS1000U-1_6067d42e-faa0-4f6c-bf68-13c746b7aa38.jpg?v=1778622561","url":"https:\/\/portal.heatingtradesupplies.com\/products\/reznor-ignition-control-s4570ls","provider":"National Boiler Spares B2B","version":"1.0","type":"link"}