The 9013GHG2J30PX is an electromechanical pressure switch consisting of a nitrile rubber diaphragm actuator enclosed in Noryl thermoplastic resin and polypropylene cover.  The switch has a 1/4" NPSF internal fluid connection and two adjustable pressure controls: differential control (20 to 40 psi) and rising pressure adjustable range (65 to 200 psi).

The Square D Pumptrol 9013GH switch is used primarily in controlling electrically driven water pumps and air compressors.  It features an adjustable differential wherein on high and low operating points you can increase the pressure setting by turning the range spring nut clockwise.   Installed in any position and for indoor use only.

The 9013GHG2J30PX replaces Model Number 9013GHG2J25X.