{"product_id":"oem-lennox-ecm-x-13-blower-motor-assembly-81w39","title":"OEM Lennox ECM X-13 Blower Motor Assembly — 81W39","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e81W39\u003c\/strong\u003e ECM X-13 blower motor assembly powers the indoor blower that moves conditioned air through your Lennox furnace or air handler. Its constant-torque X-13 ECM design maintains steady, programmed airflow even as duct static pressure changes, while consuming significantly less electricity than older PSC motors — the result is quieter, more efficient, and more even heating and cooling.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms\u003c\/strong\u003e include little or no airflow at the vents, a blower that hums but won't turn, motor cutting out on thermal overload, grinding or rattling noises, or erratic starting and stopping. Short cycling on the high-limit switch due to poor air movement is another frequent indicator this motor has failed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e the Lennox \u003cstrong\u003e81W39\u003c\/strong\u003e is engineered to match your system's blower wheel, housing, and control module with the precise torque and CFM programming Lennox requires. Non-OEM ECM motors frequently mismatch airflow or fail to interface correctly with the board, degrading comfort and efficiency. Choosing the correct OEM assembly ensures a proper fit and full Lennox compatibility.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081094087027,"sku":"LNX-81W39","price":159.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-blower-motor-ecm-LNX-81W39.jpg?v=1783760628","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-ecm-x-13-blower-motor-assembly-81w39","provider":"National HVAC Parts","version":"1.0","type":"link"}