{"product_id":"oem-lennox-draft-inducer-blower-motor-21p24","title":"OEM Lennox Draft Inducer Blower Motor — 21P24","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e21P24\u003c\/strong\u003e draft inducer blower motor powers the combustion venting system on compatible Lennox gas furnaces. It spins the inducer wheel to evacuate flue gases from the heat exchanger and establish the airflow that your furnace's pressure switch monitors before allowing ignition — a critical safety and performance function in every heating cycle.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms\u003c\/strong\u003e include a furnace that starts the inducer but fails to ignite, loud humming, squealing, or grinding at startup, sluggish spin-up, or a motor that no longer turns at all. You may also see repeated pressure-switch lockouts, short cycling, or an error code pointing to inadequate draft. Worn bearings and failed windings are the usual causes.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e The 21P24 is matched to the precise speed and airflow your Lennox control sequence requires. Off-brand motors often move too little air to satisfy the pressure switch or run outside spec, leading to nuisance lockouts, no-heat calls, and added stress on the heat exchanger. Installing the factory-correct 21P24 restores proper draft, reliable ignition, and rated efficiency while keeping your equipment warranty intact. In stock and shipping same day before 3PM CST.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081141928307,"sku":"LNX-21P24","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-21P24.jpg?v=1783760158","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-draft-inducer-blower-motor-21p24","provider":"National HVAC Parts","version":"1.0","type":"link"}