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I just installed a new bathroom faucet and I'm having difficulty in regard to having good control of the water flow/pressure with the handles:

The faucet has a hot and a cold handle. The handles turn 90 degrees from closed to full open. The problem is that adjusting the water flow only seems to take place on about 30 degrees of the turn, with the remaining 60 degrees letting the water out at full blast. This makes it extremely difficult to adjust the water without temperature across the two handles....it's usually too hot or too cold since it requires such fine tuning to get it just warm.

At first, I thought I could just limit the water by closing the shutoff valves under the sink a little, but everyone seems to advise against that, seems like those should always be fully open. And nobody seems to complain about this issue on the reviews of the faucet.

Is there any way to correct this?

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  • Do both sides function as you describe if operated alone? That doesn't seem right, and there's no adjustment for it. You may need to exchange the faucet for another of the same or a different type.
    – isherwood
    Jan 22 '17 at 18:19
  • Are your faucet handles asymmetric levers which are affected by gravity so they open farther from your setpoint spontaneously? Or is it water pressure which is causing them to open farther than where you have set them? The cold faucet on my lavatory is very easy to turn (very little resistance) and has an asymmetric lever handle so that both water pressure and gravity caused it to open further than where I set it. I re-positioned the handle so that at the setting I use for shaving the lever is down and there is no gravitational force pulling it further.
    – Jim Stewart
    Jan 22 '17 at 18:26
  • I have a Price Pfister two handle lavatory faucet. Maybe there is a friction adjustment which I haven't tried to adjust. We have an undersized tankless central gas-fired water heater and the pressure under flow of the hot is less than the cold. I have no problem with the hot side faucet moving from the set point.
    – Jim Stewart
    Jan 22 '17 at 18:28
  • @isherwood Both faucets work as described if operated alone.
    – Ken
    Jan 22 '17 at 18:46
  • @JimStewart I'm sorry, I'm not sure how to answer your question. Not sure what "set point" and "asymmetric lever" means. The best I can offer is the spec docs for this specific faucet. homedepot.com/catalog/pdfImages/27/… homedepot.com/catalog/pdfImages/b4/…
    – Ken
    Jan 22 '17 at 18:52
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The operation you describe seems to me to be normal for these faucets with individual handles for hot and cold and long life cartridges or ceramic disk seals, as opposed to the old type with a rubber washer sealing on a brass seat.

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