Features Made of silver‑zinc alloy and ABS material, possess strong structure, anti‑corrosion and durable Designed to automatically start and stop the operation of the water pump, and maintain pressure and flow Automatic control without manual operation. When the system pipeline pressure reaches the upper limit, the power is automatically cut off and the water pump stops working When the pressure reaches the lower limit, the power is automatically turned on and the pump starts to work Come with simple operation, stable performance, low consumption and energy saving Specification: Item Type: Automatic Water Pump Pressure Switch Material: Silver zinc alloy + ABS Model: JSK-3A Thread Type: 3/8 female thread Rated Voltage: 220V AC Rated Current: 16A AC Pressure Range: 1.2-2.0kg/cm² Power: 125W Package List:1 x Automatic Water Pump Pressure Switch Note:Do not use outside the current and voltage range. Package List 1 x Automatic Water Pump Pressure Switch