{"product_id":"s1-02530788700-replacement-fs","title":"S1-02530788700 REPLACEMENT FS","description":"\u003ch3 data-section-id=\"2coaxf\" data-start=\"94\" data-end=\"111\"\u003e🔥 What it is\u003c\/h3\u003e\n\u003cp data-start=\"112\" data-end=\"264\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eYork S1-02530788700 Flame Sensor\u003c\/span\u003e\u003c\/span\u003e is a \u003cstrong data-start=\"155\" data-end=\"204\"\u003ereplacement flame sensor used in gas furnaces\u003c\/strong\u003e to confirm that the burner flame is present after ignition.\u003c\/p\u003e\n\u003ch3 data-section-id=\"w5qplm\" data-start=\"266\" data-end=\"285\"\u003e⚙️ What it does\u003c\/h3\u003e\n\u003cul data-start=\"286\" data-end=\"477\"\u003e\n\u003cli data-section-id=\"87h0r9\" data-start=\"286\" data-end=\"343\"\u003eDetects whether the furnace burner has a stable flame\u003c\/li\u003e\n\u003cli data-section-id=\"1473zme\" data-start=\"344\" data-end=\"408\"\u003eSends signal to the control board to keep the gas valve open\u003c\/li\u003e\n\u003cli data-section-id=\"6t8k99\" data-start=\"409\" data-end=\"477\"\u003eShuts the furnace down if no flame is detected (safety protection)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"9i2n1m\" data-start=\"479\" data-end=\"501\"\u003e🏭 Where it’s used\u003c\/h3\u003e\n\u003cp data-start=\"502\" data-end=\"528\"\u003eCommon in HVAC systems by:\u003c\/p\u003e\n\u003cul data-start=\"529\" data-end=\"561\"\u003e\n\u003cli data-section-id=\"2na013\" data-start=\"529\" data-end=\"537\"\u003eYork\u003c\/li\u003e\n\u003cli data-section-id=\"qvjqfj\" data-start=\"538\" data-end=\"549\"\u003eColeman\u003c\/li\u003e\n\u003cli data-section-id=\"qupinq\" data-start=\"550\" data-end=\"561\"\u003eLuxaire\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"slbsye\" data-start=\"563\" data-end=\"596\"\u003e🔁 Replacement meaning (“FS”)\u003c\/h3\u003e\n\u003cul data-start=\"597\" data-end=\"709\"\u003e\n\u003cli data-section-id=\"1abfb6c\" data-start=\"597\" data-end=\"622\"\u003e“FS” = \u003cstrong data-start=\"606\" data-end=\"622\"\u003eFlame Sensor\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"169q631\" data-start=\"623\" data-end=\"709\"\u003e“Replacement FS” = aftermarket\/OEM replacement part for the original sensor assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"18pf7dm\" data-start=\"711\" data-end=\"732\"\u003e⚠️ Why it matters\u003c\/h3\u003e\n\u003cp data-start=\"733\" data-end=\"766\"\u003eIf this part fails or gets dirty:\u003c\/p\u003e\n\u003cul data-start=\"767\" data-end=\"884\"\u003e\n\u003cli data-section-id=\"1p5rklz\" data-start=\"767\" data-end=\"804\"\u003eFurnace may \u003cstrong data-start=\"781\" data-end=\"804\"\u003estart then shut off\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"14bewc\" data-start=\"805\" data-end=\"838\"\u003eFurnace may \u003cstrong data-start=\"819\" data-end=\"838\"\u003enot heat at all\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"l12a5o\" data-start=\"839\" data-end=\"884\"\u003eYou may get \u003cstrong data-start=\"853\" data-end=\"884\"\u003eintermittent heating cycles\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Standard Plumbing Supply","offers":[{"title":"Default Title","offer_id":52411091976481,"sku":"67682","price":40.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/1905\/1041\/files\/download_1_27dc5822-3100-49c0-9856-26ec792353f9.jpg?v=1778518530","url":"https:\/\/standardvmi.com\/products\/s1-02530788700-replacement-fs","provider":"Standard Plumbing Supply","version":"1.0","type":"link"}