Cold Water Pipe Leaking Under Sink

I believe water is leaking from this.

Cold water pipe leaking under sink.

Some fixtures and pipes are more prone to leaking than others. Shut off the water to the cold water line. The first question to ask is which one the water could be coming from the sink drain or one of the faucet water supply hoses and if you have a dishwasher it could be coming from the dishwasher drain hose. If you see water leaking out this means the valve is leaking.

In this case replacing the sink drain fitting will be required. Check the valve very carefully for about. When you see water on the bottom of the cabinet under the kitchen sink it means a pipe or a pipe connection is leaking. A partial clog could be blocking a vent that is causing water in your sink traps to be sucked out.

You can also try turning off water supply to house. An older water heater can develop pinholes along its bottom due to corrosion inside the tank and water pipes that lead to exterior. To stop the leak or. Don t panic it s a straight forward job that in most instances does not require any too.

If it is the sink drain opening or the fittings on the drain p trap that are leaking this is also usually a matter of tightening the drain connections. How to repair a sink cold water line 1. Trace the cold water line to a 5 8 inch metal nut that connects the flexible hose to the shutoff valve. If this is the case unfortunately sewer water is slowly building up under the home.

Under sink leaks can do a lot of damage but they re usually fairly easy to pinpoint and repair. Cold water pipe comes out of floor and then there is a joint that links it with other piece of the pipe that takes it all the way up to sink s upper portion. You open the sink cupboard door and oww. There is water everywhere.

On very old sinks the drain strainer and tailpiece unit on the sink may be worn out. Wax ring under your toilet will be leaking but won t be visible. Open the doors on the cabinet below the sink. It is very common for this to happen.

The water that is damaging the cabinet or the floor may be coming from the drainpipes the supply. It may just be excess water left over remove all the water so it is 100 dry.