An error code 57 typically indicates a pressure switch circuit issue

offering identical resistance values and fitment

effectively trapping liquid charge before it reaches the compressor valves

as well as several Johnson Controls and Honeywell intermittent pilot models

Johnson Controls S-2300-4 Selector Switch Freon An error code 57 typicallyAs a veteran HVAC technician, I know that manual pneumatic control remains the backbone of many legacy system architectures. The Johnson Controls S 2300 4 Selector Switch is a high performance pneumatic air switch designed specifically for the manual redirection of air flow within these complex pneumatic control systems. This five port configuration features three exhausting ports and one pair of switching ports, making it the ideal solution for