Water Leaking Under the Kitchen Sink? How to Find the Source
Water under a kitchen sink does not always mean the P-trap is leaking. The water may be coming from a supply connection, shut-off valve, drain connection, or loose slip nut. Before replacing anything, dry the cabinet and identify exactly when and where the water appears. This simple inspection can help you avoid repairing the wrong component. Watch the video below for a step-by-step inspection: Three Common Sources of Water Under a Kitchen Sink Start by checking these three areas: Water supply connections and shut-off valves Drain connection directly below the sink P-trap and slip-nut connections The timing of the leak can provide an important clue. If water appears while the faucet is off, check the pressurized water-supply connections. If water appears only while the faucet is running or the sink is draining, inspect the drain system. If water appears around a P-trap slip nut, the connection may be loose, misaligned, damaged, or improperly seated. Before You Beg...