We installed this faucet approximately year ago and have replaced the faucet head three times in order to try to fix the fact that spray pattern continues when you toggle it to stream and worsens over time.  We love the idea of the faucet and we bought it with other matching faucets for the kitchen and are not longer sure what to do to correct the problem as we don't want to replace three faucets in order to fix this one but also would like the faucets to be from the same line.