Function: This liquid level sensor controller automatically starts and stops a pump according to water level, helping prevent dry running and overflow. Materials: Constructed from durable plastic and metal for long service life in wet environments. Electrical rating: Supports AC 240V operation and pumps up to 75 kW, delivering reliable control. Design: Orange double float for clear sensing and easy wiring; simple installation and operation. Applications: Suitable for water pumps, storage tanks, and water towers; compatible with industrial and residential systems. Benefits: Reduces manual monitoring, minimizes energy waste, protects equipment, and simplifies maintenance. Use scenarios: 1) Domestic storage tank with booster pump to maintain steady pressure. 2) Farm irrigation reservoir automation to keep levels and supply. 3) Small industrial water tower level control to automate fill and prevent overflow.