... Please check the detailed information Water flow switch ModelWFS-1001-HThe maximum pressure of fluid10Kg/cm2The temperature of fluidThe minimum 0 Centi ... 100M,DC500VMPressurization AC 1500V/1minuteContact life 1000KCorrugated tube life 500KFluid temperature Max 100°C(212°F),150°CSpecifications 15(1/2 ... "), 20(3/4") ,25(1")Material brassWeight 0.7Kg liquid flow switch