Dungs 266909

Air Pressure Switch AA-A1-3-4

The Dungs Air Pressure Switch is factory adjustable, compact pressure switches for automatic burner controls. AA…A1 differential pressure switches are suitable for making/breaking a circuit when the medium pressure changes relative to the set point. Not suitable for natural gas, propane, butane, and other combustible gases. Can be used as a pressure, vacuum or differential pressure switch for air and non-aggressive gases.