25" outside diameter and a 1-inch fixed bore with a standard keyway and setscrew for secure shaft attachment

For technicians performing annual maintenance

Serviceable Construction: The 2-piece bronze body allows for straightforward installation and field adjustment

Connecting it to a lower voltage will result in insufficient heat output

York 025-53539-006 Contactor 320720-756 25" outside diameter and aAs an HVAC technician, you know that commercial power management depends on rugged components. The York 025 53539 006 Contactor is a genuine OEM heavy duty electrical contactor specifically built for high demand York equipment. Engineered for high load cycles, this 145A HVAC contactor manages currents for massive commercial compressors, fan motors, and industrial cooling assemblies. This part is the direct cross reference for the 024 31891 000,