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Common Questions Is the 3L03-140 an open-on-rise or close-on-rise switch
Standardized Compatibility: Direct replacement for 740-1-75 with 1" x 1-1/4" NPT connections
This switch is typically found mounted directly on the blower housing or the burner bulkhead
it offers flexible mounting options within the cabinet while maintaining high-precision sensing
Marvair 30135 Fan Blade 319848-301 Common Questions Is the 3L03-140The Marvair 30135 Fan Blade is a heavy duty OEM replacement engineered for critical thermal management in commercial and industrial HVAC condenser units. Featuring a 24 inch diameter and a 4 blade configuration, this component is designed to maintain high velocity airflow across condenser coils to ensure proper refrigerant heat rejection. With a precision stamped 20 degree pitch, the Marvair 30135 balances static pressure requirements with motor load
