Dungs Air Pressure Switch LGW 3 A2 is designed for small to medium-sized gas burners and offers the following features: Burner Compatibility: Suitable for 1 or 2-stage gas burners. Wide Brand Compatibility: Compatible with Riello, Bentone, Ecoflam, Lamborghini, Olympia, Baltur, Weishaupt, Uni-gas, FBR, Oxilon, Cuenood, Flamco, Narayan, Flamon, and Sookook Gas burners. Differential Pressure Switch: The LGW…A2… series includes adjustable differential pressure switches conforming to EN 1854 standards for automatic burner controls. Precision Control: These switches are designed for circuit control based on changes in actual pressure values relative to the set reference value. The reference value (switching point) can be easily adjusted using a scale-equipped setting wheel. Responsive Operation: The control unit responds to differential pressure variations, ensuring the circuit is switched on, off, or over if the set reference value (in mbar) is exceeded or undershot. German Craftsmanship: Proudly made in Germany, reflecting precision and quality in engineering.