Karl Dungs A2 Gas Switch
The Karl Dungs A2 family of gas pressure switches which includes the GAO-, GMH-, and GML-A2 are compact and need no vent in installation. The A2 gas switch is modular is and meant for installation into a Dungs DMV shut off valve or FRI gas pressure regulator as part of a total gas pipetrain solution.


  1. UL. Listed, FM approved, CSA certified.
  2. Less installation time, simply bolts onto a DMV valve or FRI regulator.
  3. Comes in either manual or automatic reset.
  4. Easy to read and adjust switch set point.
  5. Incorporated neon light gives easy to read switch status.

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