This SKU is the orifice itself

Can this body be used for R-410A systems

meaning it will close the circuit again once the temperature drops 40°F below the trip point

The 108681-01 is the official direct replacement for 102946-01 and 101639-01

Can this control be used for heat pump applications

Johnson Controls MP865E001G Valve Actuator Freon This SKU is the orificeThe Johnson Controls MP865E001G is a heavy duty pneumatic valve actuator designed for precise proportional control in commercial HVACR systems. This 100 square inch effective diaphragm area actuator provides powerful positioning force for larger valves, ensuring reliable operation under high close off requirements. Featuring a 9 13 PSI spring range and a 1 1 8 inch stroke length, the MP865E001G utilizes a spring return stem up configuration, making it