Liebert B-069BS Sheave 326070-701 we recommend a filter replacement

we recommend a filter replacement cycle every 6 to 12 months to avoid static pressure increases that can strain the fan motor

For professional service calls

allowing for a seamless transition from a base 6-zone setup to either 9 or 12 zones by daisy-chaining up to two expansion modules

leak-free integration into copper piping systems when installed using proper soldering and water treatment protocols

Liebert B-069BS Sheave 326070-701 we recommend a filter replacementThe 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,