{"product_id":"oem-lennox-ecm-x-13-blower-motor-assembly-81w42","title":"OEM Lennox ECM X-13 Blower Motor Assembly — 81W42","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e81W42\u003c\/strong\u003e ECM X-13 blower motor assembly drives the indoor blower that circulates conditioned air through your Lennox furnace or air handler. The constant-torque X-13 ECM design holds steady airflow against changing static pressure while drawing far less power than a traditional PSC motor, delivering quieter, more efficient, and more consistent comfort across every stage of operation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms\u003c\/strong\u003e include weak or no airflow from the registers, the blower failing to start or humming without spinning, intermittent shut-offs on overheating, unusual noise or vibration, or the motor cutting out under load. Overheating supply air and repeated limit trips are also telltale signs of a worn blower motor.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e the Lennox \u003cstrong\u003e81W42\u003c\/strong\u003e is matched to your system's blower housing, wheel, and control module for the exact torque profile and airflow programming Lennox specifies. Aftermarket ECM substitutes often miscommunicate with the control board or move the wrong CFM, hurting efficiency and comfort. The correct OEM assembly guarantees proper fit, quiet operation, and full Lennox compatibility.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081094054259,"sku":"LNX-81W42","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-81W42.jpg?v=1783760629","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-ecm-x-13-blower-motor-assembly-81w42","provider":"National HVAC Parts","version":"1.0","type":"link"}