Dungs 221-590A Air Pressure Switch LGW-3-A4 230VAC

The DUNGS LGW...A4 differential pressure switches are field adjustable, compact pressure switches for automatic gas burning equipment controls. Available with RP threaded connections. LGW...A4 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 LGW... A4 can be used as a pressure, vacuum or differential pressure switch for air and nonaggressive gases.
Not suitable for natural gas, propane, butane and other combustible gases.
Thread Connection; Air pressure switch for differential, vacuum or positive pressure; with automatic reset; Screw terminals with SO cord connection.