Dungs 222-270A GMH-A4-4-4GOLD Gas Pressure Switch
Dungs 222-270A GMH-A4-4-4GOLD Gas Pressure Switch. Proof of closure switch is used with Karl Dungs modular gas trains.
The GAO-, GMH- and GML-A4... vent- less pressure switches are adjustable pressure switches for automatic burner controls.
These pressure switches are suitable for making and/or breaking a circuit when the medium pressure changes relative to the set point. The set point can be set in the field by an adjustable dial with an integrated scale. Test nipple integrated in metal housing to verify set point. This specific gas pressure switch has 1" to 20" W.C.