{"product_id":"s1-031-03498-001-york-demand-defrost-control-board","title":"S1-031-03498-001 York DEMAND DEFROST CONTROL BOARD","description":"\u003ch1\u003eS1-031-03498-001 York DEMAND DEFROST CONTROL BOARD\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eS1‑031‑03498‑001 York Demand Defrost Control Board\u003c\/strong\u003e is an OEM replacement designed for York, Coleman, and Luxaire heat pump systems equipped with demand‑defrost technology. Unlike traditional timed defrost boards, this control uses sensor‑driven logic to monitor outdoor coil conditions and initiate defrost only when necessary. This improves energy efficiency, reduces compressor wear, and prevents excessive frost accumulation in cold‑weather operation. Built on a durable PCB platform, it provides accurate sequencing of the compressor, reversing valve, and outdoor fan while ensuring long‑term reliability in residential heat pump applications.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003cstrong\u003eS1‑031‑03498‑001\u003c\/strong\u003e is used in select York, Coleman, and Luxaire heat pump systems that utilize \u003cstrong\u003edemand‑defrost logic\u003c\/strong\u003e. These systems rely on coil‑temperature and ambient‑temperature sensors to determine when defrost is required, reducing unnecessary cycles and improving overall system efficiency.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCompatible with:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eYork heat pump models using demand‑defrost controls\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eColeman heat pump models using demand‑defrost controls\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eLuxaire heat pump models using demand‑defrost controls\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eCommon equivalent or superseded numbers associated with this board include:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e031‑03498‑001\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eS103103498001\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e03103498001\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eOEM York\/Coleman\/Luxaire demand‑defrost equivalents\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThese boards are often grouped together for technician reference:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eS1‑031‑01971‑000\u003c\/strong\u003e – timed\/temperature defrost\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eS1‑031‑01975‑000\u003c\/strong\u003e – timed\/temperature defrost\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eS1‑031‑01976‑000\u003c\/strong\u003e – timed\/temperature defrost\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eS1‑031‑03004‑000\u003c\/strong\u003e – timed\/temperature defrost\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eS1‑031‑03498‑001\u003c\/strong\u003e – \u003cem\u003edemand‑defrost logic\u003c\/em\u003e (this listing)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Neuco","offers":[{"title":"Default Title","offer_id":43041987559490,"sku":null,"price":189.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1071\/8320\/files\/Screenshot2026-03-02130056.png?v=1772481684","url":"https:\/\/hvacpartstore.com\/products\/s1-031-03498-001-york-demand-defrost-control-board","provider":"HVACpartstore","version":"1.0","type":"link"}