Replace Leaking Valve Under Sink

My water supply valve under the kitchen sink leaks.

Replace leaking valve under sink.

The water that is damaging the cabinet or the floor may be coming from the drainpipes the supply. Turn on the faucet and leave open allowing the remaining water in the line to empty into the sink. Under sink leaks can do a lot of damage but they re usually fairly easy to pinpoint and repair. Before you replace a leaky.

Thankfully leaks under the sink are easy enough to spot making it simpler to repair than many other internal plumbing issues. If your water supply valve is leaking you may not need to replace it. Occasionally after shutting off a toilet supply valve to replace the tank plumbing parts you may find that the shutoff valve leaks through the packing nut once the valve is opened again. To remedy this most plumbing pros advise first using a groove joint pliers to tighten the packing nut one eighth turn clockwise photo 1.

Under normal circumstances they rarely get used so the plastic and rubber parts inside one of these valves can turn brittle and at some point it may start to leak. Support see jane dri. A kitchen sink faucet leaking underneath your cabinets or a dripping drain pipe is certainly annoying but being. The shut off valve under a sink can go unattended for years without giving any problems but once it starts leaking it can lead to a mess quickly.

I have the faucet installed in the sink but not connected to the hot and cold water. The cold water supply line from the wall is dripping water slowly. There s an easy way to fix it and you may want to give it a try. The hot and cold water supply under the sink is turned off at the valves.

However calling a plumber can be expensive. I am replacing the faucet in my kitchen. If there aren t individual shutoff valves under the sink shut off the water supply for the house.