this unloader assembly is the standard replacement part for restoring modulation accuracy in industrial chiller maintenance

ensuring optimal airflow control and energy efficiency in commercial HVACR environments

maintaining the original engineering specifications for system safety and efficiency

it is standard practice to verify the secondary circuit fuse on the control board during installation

Century Motors 680A Motor L99H008 this unloader assembly is theThe Century Motors 680A is a 1 8 HP, 115V permanent split capacitor (PSC) motor designed as a high efficiency OEM replacement motor for HVAC and air moving applications. Featuring a NEMA F48Y frame with a 5. 6 inch diameter, this 3 speed motor operates at 775, 650, and 525 RPM, drawing 1. 5 amps at full load. The double shaft design, measuring 11. 5" x 1 2" x 11. 5", allows for versatile blower and fan configurations. Built with a resilient base and