{"product_id":"oem-lennox-ecm-3-0-blower-motor-no-module-73w03","title":"OEM Lennox ECM 3.0 Blower Motor (No Module) — 73W03","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e73W03\u003c\/strong\u003e is an ECM 3.0 variable-speed blower motor supplied without the control module. This electronically commutated motor drives the indoor blower wheel that circulates conditioned air throughout your home, ramping speed up and down for quiet operation, improved efficiency, and consistent comfort across heating and cooling cycles.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms\u003c\/strong\u003e include no airflow or weak airflow from the registers, the blower failing to start, unusual humming or grinding noises, intermittent operation, or the furnace overheating and tripping its limit switch due to insufficient air movement. A motor that runs hot or cycles erratically often signals worn bearings or failing windings.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e ECM 3.0 motors are matched to your Lennox system's airflow tables and communicate with the existing control module, so the correct motor is essential for proper speed staging and efficiency ratings. Because this \u003cstrong\u003e73W03\u003c\/strong\u003e ships without a module, confirm your existing module is functional and compatible before installation. The factory motor guarantees exact fit, shaft, and performance for your Lennox blower assembly.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081096184179,"sku":"LNX-73W03","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-73W03.jpg?v=1783760563","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-ecm-3-0-blower-motor-no-module-73w03","provider":"National HVAC Parts","version":"1.0","type":"link"}