Schneider Electric (Barber Colman) AK-42309-500 Relay Freon Serviceable Design: The modular architecture

Serviceable Design: The modular architecture facilitates rapid field maintenance and component replacement without removing the entire valve body from the line

Equipped with a 59-inch capillary tube and a high-grade stainless steel power head

Rugged Reliability: Features all-metal construction for long-term survival in high-traffic commercial zones and industrial mechanical rooms

Flexible Installation: Can be mounted in any orientation except upside down

ensuring the root cause is addressed before system restart

Schneider Electric (Barber Colman) AK-42309-500 Relay Freon Serviceable Design: The modular architectureThe Schneider Electric (Barber Colman) AK 42309 500 is a direct acting pneumatic relay designed for high precision force balance position sensing. Built for the rigorous demands of commercial HVACR systems, this positive positioning relay ensures an actuator's stroke remains consistent relative to the signal pressure received from the controller. It effectively handles variations in air pressure and mechanical load, making it a critical component for