1. The car washing machine has no problems such as pressure and no water, just simply replace the pump head.2. The pump head is a assemblies, including water inlet and outlet valves and other accessories.3. The pump head is used for the guide car S6 S2 S3 S1,for King , for , for STT all series,available for white horse series and black series.4. The quality of the pump head directly determines the pressure and the length of the service life of the cleaning machine. It is important to the right product.5. The powerful water pressure is powerful, which can wash the dust and dirt without damaging the paint.Application:Car washing machine accessoriesStructure: Booster pumpPower: ElectricPressure: High pressureVoltage: 220vMaximum pressure: 20Mpa 2900psiMaximum volume: 550L/HUse motor speed: 2700RPM-3900RPMWater inlet thread: G3/4Outlet burst pattern: M22x1.5 (inner diameter 15mm)Power: 600w-2500wcolor:GoldMaterial:MetalPackage Contents:1 x Pump Head AssemblyOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm.