1、UNIVERSAL RV PRE PRESSURE ACCUMULATOR TANK: Pressure value from 10psi‑125psi, suitable for most pumps on the market, possess constant pressure, reduce pump circulation, and solve the pulsation problem of RV or fresh water system on board 2、EXTEND SERVICE LIFE OF PUMP: Store the water pressure of the water pipe during the peak period, buffer the impact damage caused by the high water pressure to the pump, reduce the sound and the frequent start of the pump, and provide a more stable water supply 3、WIDE RANGE OF APPLICATIONS: Pre inflated pressure 10psi(0.7bar) in the tank before leaving the factory, compatible with RV, caravan, boat pressurized water system, food and beverage filling and liquid delivery and any other pressurized system to help you reduce frequent pump starts 4、EASY TO INSTALL: Please read the instructions carefully before use, adjust the air pressure in the water tank to be lower than the pressure of the pump switch 3psi (0.2bar). The connection port adopt the threaded connector nozzle, connect the wing nut fittings to the energy storage end of the accumulator tank, the hose is fixed by the clamp, and connect the accumulator tank and the pump 5、WIDE APPLICATION: Accumulator tank is suitable for RVs, boats, travel trailers, caravans, yachts, provide great convenience for your outdoor trips