... –pressure mute pump ,the service life is long and the quality is reliable .With the function ... steps:Close diverter valve of pressure tank ,open long reach faucet ,RO booster pump starts (must confirm booster ... valve ,open diverter valve in pressure tank ,close long reach faucet .Washing time is 15 minutes . To prolong ... be shut to cut off source water .After long term out of service ,when using again ...