Schneider Electric (Barber Colman) AV-420 Linkage Kit significantly reducing the risk of

significantly reducing the risk of shaft slippage compared to standard set-screw hubs

this enclosed fan relay is designed to manage high-amperage loads

Durable Construction: Engineered to withstand the thermal stress of frequent cycling in demanding HVAC environments

Disconnect power from the unit and remove the wire leads

Schneider Electric (Barber Colman) AV-420 Linkage Kit significantly reducing the risk ofThe Schneider Electric AV 420 Linkage Kit is a field installable hardware set engineered for retrofitting and maintaining pneumatic control systems. Designed specifically to interface MK 4800 Series pneumatic actuators with VB 9XXX series valve bodies (1. 5 inch to 2 inch), this Barber Colman AV 420 kit ensures precise mechanical alignment for mission critical flow regulation. As a veteran technician, you know that maintainable air handling stability