Item Type: 24V Water Pump Product Model: MT24-18E Working Voltage: 24V Plug Voltage: 100-240V Working Current: 2.8A Insulation Class: Class H Dryness: Low Noise Flow: 25L/min Discharge Head: Approx. 15 meter / 49.2ft Waterproof Grade: IP65 Piping Inner Diameter: Approx. 15mm / 0.6in Temperature Resistance: 0-65 Package List 1 x Pump 1 x Power Adapter 1 x Water Pipe 1 x User Manual 1 x Double Sided Tape 2 x Screw 2 x Expansion Screw 1. The water pump has built in water flow switch valve. The minimum flow rate of 1.5L/min is required to open the valve to start the pump. If the water flow switch cannot be opened, the power supply must be disconnected again for 35 seconds and the water pump will be forced to start for 10 seconds. Power on and work for 10 seconds, it will automatically stop, indicating that the water flow switch valve is not open2. Test Method: Take a mineral water bottle and connect it. Generally, a mineral water bottle has a capacity of 500 ml, which can store about 3 bottles of water in one minute and can be installed and used. 1AUTOMATIC CONTROL: The automatic induction switch is controlled by the water flow, before turning on the pump, please open the faucet to ensure that there is water flow. 2USE RANGE: This pump can be used with both tank and tankless water heaters, with a maximum flow of 5.5 GPM and a maximum discharge head of 15 meters. 3SAFE OPERATION: When the water inlet in the pump is close to zero water pressure, the pump will stop working, providing automatic protection, safe and reliable. 4GOOD PROTECTION: The centrifugal pump has IP65 waterproof, temperature resistance range is 065, can be used in various environments, has strong practicability. 5WIDE APPLICATION: Suitable for a variety of domestic water applications such as gas, water heaters, water pipe boosting, etc., with a wide range of applications.