This product is the copper tube assembly itself

How do I identify a failing pneumatic restrictor

including manufacturer model number 366-94952-011

this 120-volt coil provides the thermal stability required for continuous operation without performance degradation

as well as 100170595

Schneider Electric (Barber Colman) M333A00 Actuator 30067439-890 This product is the copperThe Schneider Electric (Barber Colman) M333A00 Actuator is a 24VAC proportional non spring return actuator engineered for precise modulation in demanding commercial HVACR environments. Built on the SmartX platform, this model serves as the direct replacement for M133A00, featuring significant mechanical upgrades including a robust gear train with increased face width and stainless steel bearings to ensure long term reliability in valve and damper