If the shutoff valves under your sink don’t work or you don’t have any, you’ll have to turn off the water supply to the entire house while installing a new sink.

Apply plumbing sealant to the shut-off threads and attach it with a nut from the faucet tube. Measure the length of the copper pipe you need to connect the shut-off valve to the coupling in the floor.

A leaky shut-off valve can be a big trouble as it can lead to water damage and increased utility bills. The good news is that fixing a leaky multi-turn shut-off valve, typically found under bathroom ...

If you’re facing the same situation, consider putting a valve on every hot- and cold-water supply tube. The valves will not only allow you to shut off the water to one sink without disrupting the flow ...