F trip point for reliable equipment safeguarding

Common Questions How do I know if the O-ring is properly seated during installation

to meet high-pressure HVACR requirements

For field service efficiency

Schneider Electric (Barber Colman) AT-529 Restrictor Kit F trip point for reliableThe Schneider Electric (Barber Colman) AT 529 Restrictor Kit is a critical component for maintaining the operational integrity of all bleed bulb type pneumatic thermostats. This kit is specifically engineered for full compatibility with Barber Colman TK 2000, TK 3000, and TK 4000 series pneumatic room controllers. In a pneumatic control loop, the restrictor serves as the fixed orifice required to create the pressure drop necessary for the branch line