{"product_id":"oem-lennox-draft-inducer-motor-assembly-kit-33m70","title":"OEM Lennox Draft Inducer Motor Assembly Kit — 33M70","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e33M70\u003c\/strong\u003e draft inducer motor assembly kit pulls combustion gases through the heat exchanger and safely expels them out the flue. Running before and during each heating cycle, the inducer establishes the negative pressure that closes the pressure switch and allows the burners to ignite. This complete kit includes the motor and mounting hardware for a direct factory replacement in your Lennox furnace.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e A failing \u003cstrong\u003e33M70\u003c\/strong\u003e inducer commonly produces loud buzzing, humming, rattling, or high-pitched bearing noise at startup. You may also see the furnace lock out on a pressure switch fault, fail to ignite, short cycle, or not start at all when the inducer motor cannot reach speed or seizes entirely.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e Draft inducers are matched to your Lennox furnace's venting design and combustion airflow requirements. An incorrect motor speed or wheel can disrupt the pressure switch operation and create unsafe venting conditions. The genuine Lennox \u003cstrong\u003e33M70\u003c\/strong\u003e kit ensures the correct RPM, wheel, and mounting for safe, reliable operation of your equipment.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081108701555,"sku":"LNX-33M70","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-33M70.jpg?v=1783760209","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-draft-inducer-motor-assembly-kit-33m70","provider":"National HVAC Parts","version":"1.0","type":"link"}