How to Fix a Leaky Pipe Under a Sink (Using a Slip Coupling)

Shut off the under-sink valve, open a nearby faucet, and dry the area. Inspect joints for moisture and corrosion, then remove the damaged section. Measure the pipe outside diameter to pick the right slip coupling. Clean the ends, then slide the coupling over each pipe, lubricate the gasket if included, and hand-tighten before finishing with…







