Trane SWT2074 Limit Switch 328140-751 installing a York OEM blower

installing a York OEM blower motor ensures internal overload protection and a brushless permanent magnet design

It should be replaced according to the manufacturer’s intervals or whenever an oil analysis indicates high particulate levels

Key Benefits for HVAC Professionals Universal Compatibility: Fully interchangeable with Trane A069 and FAN00664 parts for streamlined truck stock

The Sterling HVAC 11J31R04094-002 Fan Motor is a high-performance 120V 1/3HP CW Fan Motor engineered for heavy-duty commercial and industrial unit heaters

5" rating and a multimeter to check for continuity crossing the terminals during inducer startup

Trane SWT2074 Limit Switch 328140-751 installing a York OEM blowerThe Trane SWT2074 Limit Switch is a critical electromechanical safety control engineered for high precision temperature monitoring in Trane HVAC systems, including furnaces and air handlers. Designed with a bimetallic strip mechanism, this high limit switch is calibrated to trigger at 175F (L175) with a 30F differential, ensuring the system shuts down the gas valve or heating elements if internal temperatures exceed safe operating parameters. This OEM