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 ...

A small addition to your shower head can save you time, money, and water: a simple shutoff valve can toggle the water flow off and on without undoing your carefully-calibrated mix of hot and cold on ...