Trane ACT0509 Actuator 320819-301 provided the actuator is positioned

provided the actuator is positioned to avoid excessive radiant heat in steam applications

Technicians can rely on its sensitive diaphragm and snap-action switch for consistent repeatability in critical HVACR applications

This is a genuine Heil Quaker replacement part engineered as a fixed-temperature bi-metal switch

Can I adjust the pressure setpoints on this switch

Common Questions How do I diagnose a failing Maxon 50250 relay

Trane ACT0509 Actuator 320819-301 provided the actuator is positionedThe Trane ACT0509 is a heavy duty 24V NSR actuator designed for precise damper and valve control in Trane HVAC systems. Engineered for non spring return operation, this direct coupled actuator provides reliable torque output to maintain accurate airflow positioning within commercial air handling units and VAV boxes. The unit features built in conduit connections, ensuring a secure and NEC compliant electrical installation in high vibration