moisture indicators are most effective when installed in the liquid line to provide an accurate reading of the refrigerant's state before it reaches the expansion device

The round aluminum case is hermetically sealed to prevent moisture ingress

Technicians should replace the orifice if the pilot light appears lazy or yellow

providing critical end-stop feedback or the ability to trigger external equipment like pumps or fan coils

It serves as a direct replacement for AKS-9063

Schneider Electric (Barber Colman) AT-602 Subbase Els PW 17895 moisture indicators are most effectiveThe Schneider Electric (Barber Colman) AT 602 Subbase is a professional grade solution for commercial and industrial HVAC control systems. This single unit thermostat subbase features a high performance 1 DP4T switch (Double Pole, 4 Throw), providing extensive flexibility for multi stage applications. Designed for seamless field installation, the unit accommodates various switching functions such as heating to cooling and day to night control