Details Drain Screw: This booster pump has a drain screw that drains the leftover water from the pump. This drain screw is made of high-strength stainless steel, which has good heat dissipation and is not easy to rust. It makes the use of the pump more convenient and durable. Spout: The spout is designed with a streamlined appearance to ensure a larger water output. This makes the booster pump more efficient to use. Stainless Steel Screws: The pump head and the housing are attached by high-quality stainless steel screws, which greatly increase the sturdiness of the product. This makes the booster pump not easy to damage and very durable. Speed Knob: This item has a knob to control the power of the pump. The knob is marked with numbers underneath, so you can easily control it according to your needed speed. It is very convenient and energy-saving. Sprayed Paint:The outside paint is sprayed on the surface. The paints last long and protectthe machine from being corroded by water. Application This booster pump is suitable for water pressurization and circulation. It can be used for water supply and pressurized floors of urban mansions, suburban villas and houses, such as solar hot water circulation, solar water heater and hot water return circulation, domestic water recirculation, industrial circulation system, air conditioning system, etc. Specifications Product Shell Material: Space Aluminum Pump Head Material: Cast Iron Screw Material: Stainless Steel Bearing Material: Ceramic Impeller Material: Stainless Steel Motor: Pure Copper Coil Voltage: 220V Power: 100W Maximum Head: 6m/236.22 Maximum Flow Rate: 50L/min Speed Regulation: 46/67/100W Gross Weight: 2.5kg/5.51 lbs Package Size: 18*14*14cm/7.09*5.51*5.51 Product Size: 13*13*11.5cm/5.1*5.1*4.5 Package Included 1* Booster Pump 6* Adapters 1* English Manual Notes Please allow the slight color difference caused by the shooting light and 1-3cm error due to manual measurement, and make sure you do not mind before you order.