{"product_id":"lennox-59k21-lb-90403a-ahc1-2-control-board","title":"Lennox 59K21 \/ LB-90403A AHC1-2 Control Board","description":"\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCatalog Number:\u003c\/strong\u003e 59K21\u003cbr\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e LB-90403A\u003cbr\u003e\u003cstrong\u003eControl:\u003c\/strong\u003e AHC1-2\u003cbr\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e Lennox\u003cbr\u003e\u003cstrong\u003eProduct Type:\u003c\/strong\u003e HVAC Control Board\u003cbr\u003e\u003cstrong\u003eLength:\u003c\/strong\u003e 5-1\/2\"\u003cbr\u003e\u003cstrong\u003eWidth:\u003c\/strong\u003e 8-1\/4\"\u003cbr\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e Select Lennox, Armstrong, Allied, Concord and Ducane HVAC Equipment\u003cbr\u003e\u003cstrong\u003eOEM Replacement:\u003c\/strong\u003e Yes \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eReplaces\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e68K99\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e70J10\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e70J1001\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eLB-90847A\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eLB-90403A\u003c\/strong\u003e \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eLennox 59K21 \/ LB-90403A Control Board\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eLennox 59K21 \/ LB-90403A AHC1-2 control board\u003c\/strong\u003e is used in select Lennox and Allied HVAC equipment. The board receives operating signals and controls equipment functions according to the system's operating sequence.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003e59K21\u003c\/strong\u003e is found in a number of \u003cstrong\u003eAM30, AM61V and HM30 series\u003c\/strong\u003e units. Lennox parts documentation specifically identifies the 59K21 as the control board used in AM61V equipment. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eCommon Symptoms of a Failed 59K21 Control Board\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHVAC system will not start\u003c\/li\u003e\n\u003cli\u003eBlower motor will not operate\u003c\/li\u003e\n\u003cli\u003eBlower operates intermittently\u003c\/li\u003e\n\u003cli\u003eBlower runs continuously\u003c\/li\u003e\n\u003cli\u003eEquipment does not respond to thermostat calls\u003c\/li\u003e\n\u003cli\u003eIncorrect blower operation\u003c\/li\u003e\n\u003cli\u003eIntermittent system operation\u003c\/li\u003e\n\u003cli\u003eRelays on the board fail to energize\u003c\/li\u003e\n\u003cli\u003eBurned or damaged components on the board\u003c\/li\u003e\n\u003cli\u003eNo control output despite proper incoming power\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBuy the Lennox 59K21 \/ LB-90403A AHC1-2 Control Board from OemHvacPartsCanada.ca.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Oem Hvac Parts Canada","offers":[{"title":"Default Title","offer_id":53720758419732,"sku":null,"price":265.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1019\/6146\/6132\/files\/oem59k21.jpg?v=1787751546","url":"https:\/\/oemhvacpartscanada.ca\/products\/lennox-59k21-lb-90403a-ahc1-2-control-board","provider":"Oem Hvac Parts Canada","version":"1.0","type":"link"}