this general service valve is designed to manage air

This battery-powered unit eliminates temperature variance caused by wire resistance and is finished in a clean white casing to blend into any professional or residential environment

Leak Prevention: High-density material provides a reliable valve body seal

Is this compatible with high-pressure R-410A systems

Why is the 90-degree orientation important

McDonnell & Miller 193-B Controller Freon this general service valve isThe McDonnell & Miller 193 B Controller is a heavy duty, float operated combination low water cut off and pump controller specifically designed for commercial and industrial steam boiler applications. Engineered to handle a maximum pressure of 150 PSI, the 193 B model features a water column with alternate tappings to simplify integration with existing gauge glass and tri cock sets. This unit utilizes two snap acting SPDT switches (Number 5 switches)