Step 1 · Prepare Workspace and Remove Old Sink
Begin by turning off the water supply to the sink using the hot and cold shutoff valves located beneath it. If they are inoperable, you must shut off the main water supply to the house. Place a bucket under the P-trap to catch residual water. Use an adjustable wrench to disconnect the hot and cold water supply lines from the valves. Next, loosen the slip nuts on the P-trap and remove it. If replacing a vanity, use a utility knife to score the caulk seal along the backsplash and sides where it meets the wall. Disconnect any clips holding the old sink to the countertop, then carefully lift the old sink and vanity out of the bathroom. Clean the area thoroughly.
Tools and Materials
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