Dungs LGW 10 A4 Pressure Switch

The LGWA4 differential pressure switches are adjustable differential pressure switche forautomatic burner controls.  They are suitable for switching a circuit on, off or over on changes in the actual pressure value, relative to the set reference value.  The reference value (switching point) can be set easily and quickly, using the wheeel provided with a scale without using a pressure gauge. A test nipple is integrated in the metal housing as standard.