this model contains POE oil

The three holes provide different pivot points

The Watts 0830928 (Model 152A) is a 3/4-inch steam pressure regulator engineered for high-sensitivity response in demanding process applications

As a Trane genuine OEM part

How do I configure the 2372-501 as a Volume Booster versus a Low Pressure Selector

Belimo TFX120 Actuator 323080-701 this model contains POE oilThe Belimo TFX120 is a rugged, spring return actuator designed specifically for reliable on off control in commercial HVAC systems. Operating on 120Vac, this motor provides a minimum of 22 in lb torque, making it the industry standard for small damper applications and control valves requiring failsafe performance. Built with a brushless DC motor controlled by an Application Specific Integrated Circuit (ASIC), the TFX120 ensures precise timing and