What do you want to do? Even when the valve is turned into the off positions, there is still some residual water in the faucet, and aereator. I am guessing you want to replace the faucet, or possibly replace the washer if you still have that type. There may be a hidden plumbing leak in the walls of your home, or maybe your toilet is running when it’s not in use. If you happen to have an electric water heater, turn it off. If you think your pipe has burst, turn off the water the home's main shut-off valve but leave the faucets turned on before calling in your plumber. The water in your bath tub shouldn't continue to run after the water has been shut off. These “hidden” leaks can cause your home to be using water even when your main water valve is turned off. It slows to a trickle and then to a severe and the eventually stops. And I do hear a "hissing" sound around the water heater when water continues to flow with the main valve shut. I turned off the main water shut off, but water still comes thru to the sink? The first step is to figure out how the spout is attached. Now, one other thing to consider is that you should hire a pro to do this. Replacing a spout isn't difficult, and you don't even have to turn off the main water supply. This happened suddenly and did it for both handles. If you’ve ever turned your shower on but noticed that there was still water running from the tub’s faucet, you may have wondered what was wrong with your shower. You’d probably be especially frustrated by the lack of pressure coming from your showerhead because it makes it difficult to shower properly. After shutting off the main water valve, water stops running on the top floor but continues to run on the 1st floor and basement. Shut off your hot water tank. Backup Options During a Power Outage Answer 1 of 6: It depends on the faucet and whether the faucet has an aereator. If the kitchen is the lowest one, then your water meter is the next and final choice. How to thaw frozen pipes 4 year old Delta two-handle kitchen faucet model #21902-LF, Original problem: Water kept running for severalseconds after we turned it off. The principle behind a faucet is simple: turn it on -- water flows; turn it off -- water stops flowing. I understand that back pressure from the water heater can cause water flow after shutting off the main valve. Once your power is back on, reverse the actions in steps 1, 2, 5 and 6. If you feel unsure about any of the above tips, feel free to consult a plumbing professional. If you find that your water meter is still turning even when your water is off, it’s time to call a plumber. ... or maybe out side turn it on and the water will run out there instead in the kitchen. Once all of the water on the room side of the faucet has drained out, the dripping will stop. 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