Description
The DUNGS GGAO A4 pressure switches are adjustable differential pressure switches for
automatic gas burning equipment controls. GGAO pressure switches are suitable for making
and/or breaking a circuit relative to changes in the difference of pressure between two
medium (Air/Gas / Gas/Gas) 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
setpoint.
Application
The DUNGS GGAO A4 differential pressure switches are recommended for industrial and
commercial heating applications with 1/4” NPT pipe connections on one side and 1/8" NPT on
the other connection. Those switches can be used for monitoring the air/gas differential
pressure in premix systems or the pressure drops in gas filters. The GGAO pressure switch is
suitable for natural gas, propane, butane, air and other inert gases. They all come with gold
contacts for use in low or high voltage systems.
