Features 1、SINGLE WAY VALVE: The automatic water pump controller is an electronic intelligent water pump control device equipped with a single way valve to prevent pipeline pressure loss. 2、APPLICABLE RANGE: The starting pressure of the controller is 2.5bar‑4.0bar, suitable for 1‑12 floors height, within 40 meters vertically, and the lift needs to exceed 30 meters for use. 3、APPLICABLE PUMP: Suitable for high pressure jet pump, deep well pump, self priming pump, pipeline pump, household intelligent pump, shielded circulation pump, centrifugal pump, etc. 4、STANDARD SIZE: The automatic pump pressure switch can be directly installed on the water pump, with standard G1in male thread interface to ensure tight connection and no leakage. 5、SAFE OPERATION: When the water pump is short of water or gets stuck by foreign objects, this device automatically stops the water pump to prevent damage caused by idling. 6、MULTIPLE FUNCTIONS: With check and constant pressure function, pressure tank buffering function, delay protection function, and water shortage protection function (non burning motor). Specification Item Type: Pressure Switch Material: ABS Starting Pressure: 2.5bar-4.0bar Applicable Floor Height: 1-12 Floors (within 40 meters vertically, the lift needs to exceed 30 meters to be used) Maximum Current: 23A Maximum Pressure: 10bar Electronic Pressure Switch: 145PSI Rated Voltage: 220V-240V Frequency: 50Hz Maximum Temperature: 100℃ Protection Level: IP65 Interface Thread: G1 Inch (32MM) Male Thread Maximum Power: 1.5kw Product Use: Intelligent control of water pressurization for the whole family Tap water, water heater, solar water supply control Refrigeration system, air conditioning system, horticultural irrigation system Small industrial water supply system Package List 1 x Pressure Switch