Manufacturer Part # : LU74-5004
Description : Flowline EchoSwitch ultrasonic liquid level sensor, 18ft (5.5m) sensing range, 4-20 mA or (1) SPDT relay, (2) SPST-N.O. relays, 95-250 VAC operating voltage, LCD digital display with pushbuttons, screw terminals, (2) 1/2in female NPT.