Features: *Automatic Water Pump Controller: This water pump booster pressure control switch is designed to automatically control the water pump operation, providing convenient and efficient water pressure management. *SingleThree-Phase Compatibility: With a rated voltage of 220V for single-phase and 380V for three-phase, this controller is suitable for various water pump systems, wide applicability. *Sensor: Equipped with a reliable level sensor, this controller effectively detects the water and adjusts the pump operation accordingly, optimal water pressure delivery. *Precise Pressure Control: The maximum pressure capability of 100PSI guarantees precise pressure control for your water system, unnecessary pump cycling and stable water pressure. *Thread Options: This water pump controller is available in two thread options. The 220V version features a 1/4 internal thread, while the 380V version comes with a 3/8 internal thread, providing easy installation and compatibility with different pipe fittings. Specifications: Part Name:Water Pump Booster Pressure control Switch Automatic Controller Material:Metal+Plastic Size:None Color:black Maximum current: 10A Frequency: 50-60HZ4. Applicable power: within 2200W Model: A: (1/4 external thread 1.1kw/2.2kw single phase 220V), B: (1/4 external thread 1.1kw/2.2kw three phase 380V), C: (3/8 internal thread 1.1kw/2.2kw single phase 220V), D: (3/8 internal thread 1.1kw/2.2kw three phase 380V) Package Content: 1*Automatic Pressure Control Switch Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. 【Automatic Water Pump Controller】This controller is designed to automatically control the operation of water pumps, providing convenient and efficient water pressure management. It ensures reliable and hassle-free performance. 【Wide Compatibility】With a rated voltage of 220V for single-phase and 380V for three-phase, this controller is suitable for various water pump systems. It offers versatility and wide applicability. 【Effective Level Sensor】Equipped with a reliable level sensor, this controller effectively detects the water level and adjusts the pump operation accordingly. It ensures optimal water pressure delivery and efficient water management. 【Precise Pressure Control】With a maximum pressure capability of 100PSI, this controller guarantees precise pressure control for water systems. It eliminates unnecessary pump cycling and provides stable water pressure for different applications. 【Easy Installation】This water pump controller is available in two thread options, 1/4 internal thread for the 220V version and 3/8 internal thread for the 380V version. It provides easy installation and compatibility with different pipe fittings.