{"product_id":"624736-b-nordyne-blower-control-circuit-board-1139-810","title":"624736-B Nordyne Blower Control Circuit Board 1139-810","description":"\u003cp\u003e\u003cstrong\u003e\u003cem\u003eThis product may contain shelf wear, have minor cosmetic imperfections, or have been tested. All our certified pre-owned products are backed by our return policy. We offer free shipping on all items. Please contact us for discounts or if you have any questions. We look forward to doing business with you!\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e· Compatible with Nordyne air handler and furnace models, including B6 series units\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e· Controls blower motor operation with specific time delays: approximately 3 seconds blower on delay and 15 seconds blower off delay in heating mode, and 40 seconds blower off delay in cooling mode · Supports multiple blower speed configurations, including 3-speed units and variable speed blowers · Provides precise communication between the thermostat and blower motor for efficient temperature regulation · OEM part number: 624736-B (also referenced as 1139-810 or 624736R in some sources) · Designed for use in various air handler applications including upflow, horizontal-left\/right, and with optional kits, downflow configurations · Functions as a critical component for ensuring proper airflow timing and system safety during heating and cooling cycles\u003c\/p\u003e","brand":"Nordyne","offers":[{"title":"Default Title","offer_id":43672950800493,"sku":"13056","price":150.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0637\/2419\/1853\/files\/s-l800_7863ea9b-080c-46ad-8ec8-fa499ae173b2.jpg?v=1763344188","url":"https:\/\/willardshvacsupply.com\/products\/624736-b-nordyne-blower-control-circuit-board-1139-810","provider":"Willard's HVAC Supply","version":"1.0","type":"link"}