Karl Dungs A4 Gas Switch

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The Karl Dungs A4 family of gas pressure switches which includes the GAO-, GMH-, and GML-A4 are compact and need no vent in installation. The A4 is a stand alone gas switch and can be piped into any valve gas train by the use of the 1/4" NPT connection on the bottom.

Features:

1. UL. Listed, FM approved, CSA certified.
2. Comes in either manual or automatic reset.
3. Easy to read and adjust switch set point.
4. Incorporated neon light gives easy to read switch status.