Emerson Alco 097993 Control R-410A If you are servicing a

If you are servicing a system with a single threaded coaxial connection

For most power-vented units

Standard Compatibility: The 1/2 inch OD sizing integrates seamlessly with standard pneumatic fittings and industrial instrumentation controls

In most field scenarios

Emerson Alco 097993 Control R-410A If you are servicing aThe Emerson Alco 097993 Control (Model FSX 42S) is a high performance electric fan speed control designed to optimize head pressure in air cooled condensers. Engineered for 230Vac systems, this pressure actuated controller modulates fan speed between 190 360 PSI, maintaining stable refrigeration cycles even as ambient temperatures fluctuate. Built with a 1 4" flare connection (7 16" 20 UNF), the unit mounts directly to the system, facilitating a