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Gas Pressure Switches 
 
 
GAO, GMH, GML A2 - Modular Mount
 
Description
The DUNGS GAO (Automatic Reset), GMH (High Manual Reset) and GML (Low Manual Reset) A2 pressure switches are compact 
pressure switches for DUNGS modular valve train components. A2 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.
  
Application
The DUNGS GAO, GMH and GML A2 pressure switches are recommended for industrial and commercial heating application with DUNGS 
DMV dual modular valves and DUNGS FRI modular pressure regulators. The GAO, GMH and GML A2 pressure switches are suitable for 
natural gas, propane, butane, air and other inert gases.
  
Specifications
SPDT Sw 10A @ 120 VAC 8A FLA, NEMA TYPE 4
MAX OPERATING PRESSURE: 7 PSI
TEMPERATURE RATING: -40 °F TO +140 °F.
  
 
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