Here's how to install a hot or cold water shut-off valve under your 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 ...

It shouldn’t be necessary to turn off the water to the entire house to fix a leaky faucet, but that’s exactly what many homeowners must do. Why? Because they don’t have individual shut-off valves ...