Disconnect plumbing Turn off the water supply at the valve under your sink or at the main shutoff. Place a bucket under the valve to catch water from the P-trap and supply lines. Disconnect the P ...

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.

Bathroom and kitchen sinks with “S” traps that drain into the floor, as opposed to sinks with “J” bends that drain in to the wall, are susceptible to accidental siphoning of drain trap ...