The solid core desiccant blend provides high-moisture removal and acid filtration

and RRNA package units

For the TXV kit to function correctly

This is the updated factory designation for that part number and provides identical form

Johnson Controls A-4412-1 Air Dryer Freon The solid core desiccant blendThe Johnson Controls A 4412 1 is a high capacity refrigerated air dryer designed for pneumatic control systems requiring a consistent supply of clean, dry air. Operating on a 115V single phase power supply, this unit delivers a rated capacity of 12 SCFM, making it ideal for large scale commercial HVAC automation setups. The A 4412 1 12SCFM dryer utilizes a robust refrigeration circuit to lower the compressed air dew point, effectively removing