{"product_id":"oem-lennox-ecm-x-13-blower-motor-assembly-81w37","title":"OEM Lennox ECM X-13 Blower Motor Assembly — 81W37","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e81W37\u003c\/strong\u003e ECM X-13 blower motor assembly runs the indoor blower responsible for circulating conditioned air throughout your Lennox furnace or air handler. The constant-torque X-13 ECM platform holds consistent, factory-programmed airflow against varying static pressure while drawing much less power than a conventional PSC motor, giving you quieter operation, better efficiency, and more balanced comfort.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms\u003c\/strong\u003e include reduced or absent airflow, a motor that hums or buzzes but doesn't spin, unexpected shutdowns from overheating, bearing noise or vibration, and intermittent operation. Frequent high-limit trips and warm, weak air from the supply registers often point to a failing blower motor.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e the Lennox \u003cstrong\u003e81W37\u003c\/strong\u003e is built to pair with your specific blower housing, wheel, and control module using the exact torque and airflow settings Lennox specifies. Aftermarket ECM replacements can move incorrect CFM or fail to communicate properly with the control board, undermining efficiency and reliability. The correct OEM assembly ensures precise fit, quiet performance, and complete Lennox compatibility.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081094119795,"sku":"LNX-81W37","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-81W37.jpg?v=1783760626","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-ecm-x-13-blower-motor-assembly-81w37","provider":"National HVAC Parts","version":"1.0","type":"link"}