{"product_id":"nordyne-624631-b-integrated-furnace-control-board-module","title":"Nordyne 624631-B Integrated Furnace Control Board Module","description":"\u003ch4 class=\"PDq2pG_selectionAnchorContainer\"\u003eDescription\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp dir=\"auto\" data-start=\"16\" data-end=\"396\"\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan\u003eThe Nordyne 624631-B is an OEM integrated furnace control board designed for residential heating systems. Operating on 120 VAC line voltage and 24 VAC control circuits, it governs ignition sequences, blower timings, and primary system safety loops. This circuit board provides exact factory compatibility to ensure precise timing and safe operation across compatible Nordyne furnaces.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003ctable data-path-to-node=\"4\" style=\"width: 82.528409%; height: 209px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 35.794543%; height: 19px;\"\u003e\u003cspan data-path-to-node=\"4,1,0,0\"\u003e\u003cb data-path-to-node=\"4,1,0,0\" data-index-in-node=\"0\"\u003eCondition\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.242376%; height: 19px;\"\u003e\u003cspan data-path-to-node=\"4,1,1,0\"\u003eNew\/Never Used Surplus\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 35.794543%; height: 19px;\"\u003e\u003cspan data-path-to-node=\"4,2,0,0\"\u003e\u003cb data-path-to-node=\"4,2,0,0\" data-index-in-node=\"0\"\u003eBrand\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.242376%; height: 19px;\"\u003e\u003cspan data-path-to-node=\"4,2,1,0\"\u003eNordyne\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 35.794543%; height: 19px;\"\u003e\u003cspan data-path-to-node=\"4,3,0,0\"\u003e\u003cb data-path-to-node=\"4,3,0,0\" data-index-in-node=\"0\"\u003eCategory\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.242376%; height: 19px;\"\u003e\u003cspan data-path-to-node=\"4,3,1,0\"\u003eHVAC Equipment\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 35.794543%; height: 19px;\"\u003e\u003cspan data-path-to-node=\"4,4,0,0\"\u003e\u003cb data-path-to-node=\"4,4,0,0\" data-index-in-node=\"0\"\u003ePart Number\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.242376%; height: 19px;\"\u003e\u003cspan data-path-to-node=\"4,4,1,0\"\u003e624631-B\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 35.794543%; height: 19px;\"\u003e\u003cspan data-path-to-node=\"4,5,0,0\"\u003e\u003cb data-path-to-node=\"4,5,0,0\" data-index-in-node=\"0\"\u003eSubcategory\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.242376%; height: 19px;\"\u003e\u003cspan data-path-to-node=\"4,5,1,0\"\u003eFurnace Control Boards\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 35.794543%; height: 19px;\"\u003e\u003cspan data-path-to-node=\"4,6,0,0\"\u003e\u003cb data-path-to-node=\"4,6,0,0\" data-index-in-node=\"0\"\u003eProduct Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.242376%; height: 19px;\"\u003e\u003cspan data-path-to-node=\"4,6,1,0\"\u003eControl Board \/ Ignition Module\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 35.794543%; height: 19px;\"\u003e\u003cspan data-path-to-node=\"4,7,0,0\"\u003e\u003cb data-path-to-node=\"4,7,0,0\" data-index-in-node=\"0\"\u003eInput Voltage\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.242376%; height: 19px;\"\u003e\u003cspan data-path-to-node=\"4,7,1,0\"\u003e120 VAC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 35.794543%; height: 19px;\"\u003e\u003cspan data-path-to-node=\"4,8,0,0\"\u003e\u003cb data-path-to-node=\"4,8,0,0\" data-index-in-node=\"0\"\u003eControl Voltage\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.242376%; height: 19px;\"\u003e\u003cspan data-path-to-node=\"4,8,1,0\"\u003e24 VAC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 35.794543%; height: 19px;\"\u003e\u003cspan data-path-to-node=\"4,9,0,0\"\u003e\u003cb data-path-to-node=\"4,9,0,0\" data-index-in-node=\"0\"\u003eFunctions Controlled\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.242376%; height: 19px;\"\u003e\u003cspan data-path-to-node=\"4,9,1,0\"\u003eIgnition, Blower Timings, Safety Circuits\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 35.794543%; height: 19px;\"\u003e\u003cspan data-path-to-node=\"4,10,0,0\"\u003e\u003cb data-path-to-node=\"4,10,0,0\" data-index-in-node=\"0\"\u003eApplication\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.242376%; height: 19px;\"\u003e\u003cspan data-path-to-node=\"4,10,1,0\"\u003eResidential Furnaces\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 35.794543%; height: 19px;\"\u003e\u003cspan data-path-to-node=\"4,11,0,0\"\u003e\u003cb data-path-to-node=\"4,11,0,0\" data-index-in-node=\"0\"\u003eWeight\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.242376%; height: 19px;\"\u003e\u003cspan data-path-to-node=\"4,11,1,0\"\u003e1.2 lb\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003e624631-B\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan\u003eThe 624631-B is a central electronic control module manufactured by Nordyne to regulate automated furnace processes. Constructed with heavy-duty solid-state circuitry and relays, it constantly monitors system pressure switches, limit sensors, and flame detectors. It coordinates fuel ignition timing and blower motor activation delays to optimize fuel efficiency and heat delivery. Designed for direct service replacement, it mounts into original cabinet standoffs and connects directly to factory wiring harnesses.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"1,0,0\"\u003eDual Voltage Circuit Control: Manages 120 VAC main supply voltage alongside 24 VAC low-voltage thermostat circuits.\u003c\/li\u003e\n\u003cli data-path-to-node=\"1,1,0\"\u003eAutomated Ignition Sequencing: Controls hot surface or spark ignition processes for consistent burner lighting.\u003c\/li\u003e\n\u003cli data-path-to-node=\"1,2,0\"\u003eProgrammed Blower Timing: Regulates fan startup and shutdown delay intervals to ensure maximum heat extraction.\u003c\/li\u003e\n\u003cli data-path-to-node=\"1,3,0\"\u003eIntegrated Safety Loops: Monitors high-limit switches and draft pressure controls to execute immediate safety cutoffs.\u003c\/li\u003e\n\u003cli data-path-to-node=\"1,4,0\"\u003eSolid-State Reliability: Built with industrial-grade microprocessors and PCB components to withstand thermal stresses.\u003c\/li\u003e\n\u003cli data-path-to-node=\"1,5,0\"\u003eDirect OEM Replacement: Configured with factory terminal layouts and mounting hole locations for fast field service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"2\"\u003eThe 624631-B delivers the reliability and precision required for dependable furnace control and safe HVAC operation.\u003c\/p\u003e\n\u003cp id=\"p-rc_c7b8f4fae39e183e-25\"\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Nordyne","offers":[{"title":"Default Title","offer_id":52819990085930,"sku":"624631-B","price":105.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/s-l1600_fc4a5688-260d-4806-8f2a-6a1288e9349e.png?v=1790938564","url":"https:\/\/iqelectro.com\/products\/nordyne-624631-b-integrated-furnace-control-board-module","provider":"IQElectro","version":"1.0","type":"link"}