{"product_id":"21d83m-843","title":"21D83M-843 White-Rodgers Furnace Control Board","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e 25V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Operating Temperature:\u003c\/strong\u003e 175 Degrees F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Operating Temperature:\u003c\/strong\u003e -40 Degrees F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl Voltage:\u003c\/strong\u003e 25 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIgniter Voltage:\u003c\/strong\u003e 80V AC\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e21D83M-843\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eWhite-Rodgers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003eLennox Models 100925-01, 100925-02, 100925-03, 10M93, 32M8801, 56L84, 56L8401, 24L8501, 63K89, 63K8901, 97L4801, 17W9201, 23W5101, 30W2501, 69M0801, 69M1501, 83M001, White Rodgers Models 50A66-843, 50A62-121, 50A66-122, 5066-123, 50A65-121, 50A62-120, 50A62-820, 50A66-123\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAgency Compliance\u003c\/td\u003e\n\u003ctd\u003eCSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eOEM Replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e25V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncludes\u003c\/td\u003e\n\u003ctd\u003eECMx Motor Control, PSC, Variable Speed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eItem\u003c\/td\u003e\n\u003ctd\u003eReplacement Control Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFor Use With\u003c\/td\u003e\n\u003ctd\u003eCommercial HVAC Equipment, Residential\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Relative Humidity\u003c\/td\u003e\n\u003ctd\u003e93 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReplacement Type\u003c\/td\u003e\n\u003ctd\u003eOEM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIgnition Type\u003c\/td\u003e\n\u003ctd\u003eHot Surface Igniter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Blower Motor Type\u003c\/td\u003e\n\u003ctd\u003ePermanent Split Capacitor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Relative Humidity\u003c\/td\u003e\n\u003ctd\u003e5 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeat Blower On Delay Setting\u003c\/td\u003e\n\u003ctd\u003e45 sec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Mounting Type\u003c\/td\u003e\n\u003ctd\u003eStandoff\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandards\u003c\/td\u003e\n\u003ctd\u003eCSA Certified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoard Type\u003c\/td\u003e\n\u003ctd\u003eIntegrated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Speed Taps\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible with Brand\u003c\/td\u003e\n\u003ctd\u003eLennox, White-Rodgers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Inducer Motor Type\u003c\/td\u003e\n\u003ctd\u003ePermanent Split Capacitor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Operating Temperature\u003c\/td\u003e\n\u003ctd\u003e175 Degrees F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeat Blower Off Delay Setting\u003c\/td\u003e\n\u003ctd\u003e60 sec, 90 sec, 120 sec, 180 sec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCool Blower Off Delay Setting\u003c\/td\u003e\n\u003ctd\u003e45 sec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Stages\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFurnace Control Functions\u003c\/td\u003e\n\u003ctd\u003eCool, Heat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Operating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 Degrees F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eReplacement Control Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eItems Controlled\u003c\/td\u003e\n\u003ctd\u003eAir Cleaners, Blowers, Gas Valves, Humidifiers, Ignitors, Inducers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM Replacement Part Number\u003c\/td\u003e\n\u003ctd\u003e100925-01, 100925-03, 10M9301, 12L6901, 17W9201, 21D83M-843, 23W5101, 24L8501, 30W2501, 32M8801, 50A62-120, 50A62-121, 50A62-820, 50A65-120, 50A65-121, 50A66-122, 50A66-123, 56L8401, 63K8901, 69M0801, 69M1501, 83M00, 97L4801\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Designations\u003c\/td\u003e\n\u003ctd\u003eC, R, W, Y G\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Voltage\u003c\/td\u003e\n\u003ctd\u003e25 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCool Blower On Delay Setting\u003c\/td\u003e\n\u003ctd\u003e2 sec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTwinning Compatibility\u003c\/td\u003e\n\u003ctd\u003eNot Twinning Compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eCommercial, HVAC, LP\/Natural Gas Furnaces, Furnaces and Heating Units, Residential\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIgniter Voltage\u003c\/td\u003e\n\u003ctd\u003e80V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe White-Rodgers 21D83M-843 is an OEM replacement furnace control board for single-stage hot surface ignition systems. This control board manages furnace operation, including ignition sequencing and blower motor control, and is compatible with ECMx, PSC, and variable-speed motors. It operates on 25V AC input and is designed for use with both commercial HVAC equipment and residential systems.\u003c\/p\u003e","brand":"White-Rodgers","offers":[{"title":"Default Title","offer_id":54074806075605,"sku":"21D83M-843","price":276.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/9091\/2213\/files\/21D83M843.jpg?v=1781977435","url":"https:\/\/proreplacementparts.com\/products\/21d83m-843","provider":"Pro Replacement Parts","version":"1.0","type":"link"}