Jeff Handy
Pro Handyman, NOT A Pro Plumber
voletl is right, closing those blue handle valves should shut off the water.
Unless your sink gets water from the line that seems to go back down into the concrete.
Meanwhile, that will not fix your problem with low water pressure, if the low pressure is caused by a broken main shutoff valve.
And you have created two separate threads on here, which makes it harder to help you.
Unless your sink gets water from the line that seems to go back down into the concrete.
Meanwhile, that will not fix your problem with low water pressure, if the low pressure is caused by a broken main shutoff valve.
And you have created two separate threads on here, which makes it harder to help you.