LGW...A4 – Pressure Switches for gas, air, flue, exhaust gases and hydrogen

Adjustable DUNGS Pressure Switches LGW...A4 for monitoring overpressure, underpressure or differential pressure. Suitable for air, flue, exhaust gases and non-aggressive gases in burner, ventilation and air-conditioning systems. When used as an overpressure monitor or for measuring the differential pressure, gases of gas families 1, 2 and 3, gas-air mixtures or hydrogen can be connected to P+ (G 1/4").