Description
A-A1… differential pressure switches are compact pressure switches for automatic burner controls. Available with hose connections. AA-A1… differential pressure switches are suitable for making and/or breaking a circuit when the medium pressure changes relative to the set point.

Application
Differential pressure monitoring in firing, ventilation and air-conditioning systems. The AA-A1… can be used as a pressure, vacuum or differential pressure switch for air and non-aggressive gases. Not suitable for natural gas, propane, butane and other combustable gases.