OEM Lennox Draft Inducer Blower Motor — 35K59
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The genuine OEM Lennox 35K59 draft inducer blower motor powers the combustion venting on Lennox gas furnaces. It creates the negative pressure that pulls fresh air across the burners and pushes exhaust gases out through the flue before and during each heating cycle — a step the pressure switch confirms before the furnace is allowed to ignite.
Common failure symptoms: When the 35K59 begins to fail, you may hear loud humming, grinding, or rattling from the inducer housing, notice the furnace failing to ignite, or find the unit locking out on an open pressure switch. Worn bearings and a seized or slow-spinning motor are the usual causes of these no-heat and short-cycle faults.
Why OEM matters: The inducer motor must deliver the exact airflow (CFM) and pressure your Lennox furnace's pressure switch is calibrated to expect. The OEM 35K59 guarantees the correct RPM, wheel fit, mounting pattern, and electrical rating — aftermarket motors can under-draft, trip the pressure switch, or fail prematurely. Restore proper combustion venting with the factory-engineered part.
Shipping Information
- Orders placed before 3PM CST ship same business day
- Standard delivery: 2-5 business days
- Express shipping available at checkout
- Free shipping on orders over $75
- Tracking number emailed upon shipment
Return Policy
- 30-day returns on unused parts in original packaging
- Electrical parts (capacitors, contactors, control boards) are final sale once installed
- Email info@nationalhvacparts.com to initiate a return
- Refunds processed within 5-7 business days