4411AD1  Liquid Level Controller 110VAC, 1 C/O,1K to 200K Sensitivity, Draining & Filling.

Features :- 

• Fully Automatic operation enabling both draining and filling simultaneously with a single device
• Adjustable sensitivity level from 1k to 200k Ohm
• Includes provision for Manual start
• Protects submersible pumps against dry running and prevents overfilling
• Enables maximum utilization of incoming liquid (eg. water) supply
• Specially designed corrosion and shock resistant sensors to ensure trouble free operation.