{"product_id":"oem-lennox-draft-inducer-blower-motor-81w36","title":"OEM Lennox Draft Inducer Blower Motor — 81W36","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e81W36\u003c\/strong\u003e draft inducer blower motor operates the inducer fan that pulls combustion byproducts through the heat exchanger and pushes them safely out the vent on compatible Lennox gas furnaces. Its induced draft closes the pressure switch and enables the ignition sequence, making the \u003cstrong\u003e81W36\u003c\/strong\u003e vital to both the safety and reliability of your heating system.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms\u003c\/strong\u003e include a furnace that hums but won't light, a rattling or high-pitched noise at startup, a pressure switch that never closes, repeated lockouts on the control board, or no heat output. These symptoms typically point to worn bearings, an open motor winding, or a seized shaft in the \u003cstrong\u003e81W36\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e Lennox manufactures the \u003cstrong\u003e81W36\u003c\/strong\u003e to exact RPM, torque, and airflow specifications tuned to the furnace's venting layout and pressure-switch setpoint. The authentic OEM motor ensures proper draft, correct safety-switch operation, and quiet, long-lasting service — reliability that off-brand substitutes frequently fail to deliver. Return your Lennox furnace to factory performance with the genuine part.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081142190451,"sku":"LNX-81W36","price":159.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-draft-inducer-LNX-81W36.jpg?v=1783760188","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-draft-inducer-blower-motor-81w36","provider":"National HVAC Parts","version":"1.0","type":"link"}