LEFOO Diaphragm Pressure Booster Water Pump for Reverse Osmosis System is China renowned 25-year water booster pump manufacturer for providing premium quality, performance and durability for a wide range of fluid transfer applications. Each booster water pump comes loaded with features that give you the edge unlike other diaphragm pumps.SPECIFICATIONCertification: CE, RoHS,CQCVoltage: 115V ACInlet water pressure: 0.2MPa, Low pressureWorking pressure: 0.5MPa / 0.7MPaWorking current: ≤0.75A / ≤0.85A Maximum current: ≤1.05AWorking flow: ≥3600ml/min / ≥3200ml/minOpening flow: ≥5500ml/minMax Pressure: 0.8~1.05MPa (8~10.5Bar)OEM & ODM support: Yes1.Please connect all parts closely to avoid leakage or combine seal tape with our RV Pump Strainer to better prevent leaks on pipes and plumbing.2.To avoid leakage to the pump rotor in case of some product failure, the correct operation is to put the pump head down or flat during when installation.3.We have a water pumping test for each product to strictly ensure that the quality is qualified. The partial remaining water drops are normal and do not affect the use.If your water supply is from a well or the water supply pressure is below 50 psi, then it is recommended that you add this pump kit to your RO system setup to increase the water supply pressure to 60 to 80 psi range to optimize the performance of your RO system. PLEASE MAKE SURE your RO system is in working condition, and it can make water and turn on/off correctly. If your RO system is not working correctly or not making water, then you need to fix the RO system and replace filters. This pump is not able to fix a non-working RO system. Quiet operation, 1 year factory warranty.