it is specifically engineered for Johnson Controls manufactured units and may not fit third-party blowers

which is critical during system balancing or troubleshooting

Common Questions Is this a programmed ECM motor

this component is essential for system isolation

Can the EVO-Z be installed without draining the system

Liebert B-069BS Sheave 326058-758 it is specifically engineered forThe Liebert B 069BS Sheave is a high grade HVAC blower pulley designed for precise power transmission in mission critical Vertiv Liebert environmental control units. Featuring a 1 1 8" bore diameter, this sheave is engineered to maintain exact belt alignment, reducing vibration and preventing premature V belt wear in high static pressure applications. Built with heavy duty materials, the B 069BS ensures consistent RPM regulation for blower motors,