Liquid Flow Switch, General Purpose, Max. HP -, - Phase, - Hz, Min. Flow Rate GPM) 1.5, Max. Flow GPM 15, Flow Rate -, Connection Size In.) 3/4 FNPT, Switch Enclosure NEMA 1, Min. Ambient Temp. F) 32 Degrees , Min. Fluid Temp. F) 32 Degrees F, Max. Fluid Temp. F) 250 Degrees F, Max. Pressure PSI) 150 psi, Switch Type Single Pole Double Throw Snap Switch, Wetted Materials Brass, EPDM, BUNA, Voltage 120/240, - For Use With