How do you unblock a kitchen sink overflow?

How to Unblock the Overflow Drain on a Sink Place the small end of the plastic funnel inside the overflow drain hole. Feed the end of a plumber’s snake or wire auger through the funnel and into the drain hole. Feed the auger as far as you can into the drain. Clear the drain by spinning the auger handle while attempting to push through the blockage. Click to see full answer. Correspondingly, how do you unblock a kitchen drain pipe? Make your own unclogging mixture out of household supplies. Start by pouring a pot of boiling water down your drain. After you do this, pour 1/2 cup of baking soda down the drain and let it sit for 5 minutes. Follow this with a solution of 1 cup vinegar and 1 cup very hot water. Beside above, what is an overflow on a sink? Sink Overflow The overflow in a bathroom sink serves two purposes: 1 – It diverts rising water back to the drain pipe. This helps prevent water from spilling onto your counter or floor, which could result in water damage. While effective, sink overflows are not designed to handle rapidly flowing water. Similarly, you may ask, how do I unblock my sink? Just pour a small amount of baking soda down the drain, followed by a cup of white vinegar. As the baking soda and vinegar start to work, you will hear a fizzing noise. Leave for a few minutes, and use hot water to wash the mixture down the drain. Another method is to use soda crystals to unblock the sink.How do you unclog a sink with standing water? Steps Clear all the blockage from the drain. Remove all standing water from the sink or tub. Clear the overflow drain if there is one, then plug it with a rag. Begin plunging the drain, pushing in and out. Run hot water down the drain for 5-10 minutes to clear any other blockages.