Q Our toilet has a noise like water running, but it doesn’t flush. It just kind of seeps and my water bill has gone up. Our plumber thought a new flapper valve was needed, so we installed one. It does ...

Q • In the middle of the night, I sometimes hear water, as if someone has turned on a faucet or a dishwasher is running. It only lasts a few seconds, but it is of concern. It seems to be coming from ...

The 068 Series flapper-isolation solenoid valve, offers increased throughput, smaller sample sizes, and reduced calibration requirements. The 16-mm valve handles neutral and aggressive liquids and ...