While many legacy Liebert systems utilized R-22

this part is the direct successor to the P129700 switch

This BK Series sheave offers consistent performance

the limit switch may be tripped or stuck open

use a manometer to verify the inducer pull exceeds the setpoint before condemning the switch

Henry Technologies 2-023-054 Gasket 328140-751 While many legacy Liebert systemsThe Henry Technologies 2 023 054 Gasket is a critical sealing component engineered for high pressure refrigeration and HVAC systems. Designed as a direct OEM replacement part, this gasket provides a robust, leak free seal for valve bonnets, pressure vessels, and flange connections. Built to maintain refrigerant containment in demanding industrial environments, it is compatible with a wide range of HCFC and HFC refrigerants and their associated oils.