Square D,PRESSURE SWITCH 230VAC 1HP F +OPTIONS,-,0.25 inch NPSF internal conforming to UL 508,150 psi (65...150 psi),150...120 psi,30...45 psi,35...120 psi,220 PSIG,65 to 150 PSIG,DPST,General Purpose (Indoor),NEMA 1,Pressure Switch,Pumptrol,Screw Clamp,UL listed, CSA,control electrically driven water pumps,fresh water (-22...257 .F)