Markel Products Co. 57640004 Limit 321894-709 Engineered for furnace repair and

Engineered for furnace repair and professional maintenance

We recommend installing a new capacitor with the correct MFD rating at the same time as the motor to ensure optimal starting torque and motor longevity

Integrated Condensate Management: Includes a factory-supplied drain pan designed to withstand high temperatures and prevent water carryover

this programmed blower motor serves as a direct OEM replacement part to restore peak performance and energy efficiency to your furnace or air handler

Markel Products Co. 57640004 Limit 321894-709 Engineered for furnace repair andThe Markel Products Co. 57640004 is a critical safety component designed for professional grade thermal management. This L300F Auto Reset Limit Switch is engineered to open the circuit at a fixed temperature of 300F (149C), providing essential over temperature protection for heating elements and internal components. As an auto reset limit, the device automatically restores electrical continuity once temperatures drop back to a safe operating range,