Whether it is a slow leak or a new installation that never sealed properly, repairing your sink Kitchen Drain can be done with some basic plumbing knowledge and a few specialty plumbing tools. Both kitchen and bath sink drains can be repaired in no time, although they don’t come apart in quite the same way.
1 Boil a large pot of water on the stove. Slowly pour the water down the kitchen sink drain. The boiling water heats up and dissolves any cooking grease that may be clogging the sink pipe Gas Valve.
2 Place a plunger completely over the sink hole. With both hands on the handle, press the plunger down then up quickly 10 to 15 times to loosen the clog. Run hot water into the drain. If the drain remains slow, continue pumping the plunger over the sink drain three to four more sessions.
3 Alternatively, insert a plumping snake into the sink drain. Push the snake until you feel it hit a clogged area. Push the snake up and down to loosen the obstruction so it can break free from the pipe. Remove the plumbing snake, then run cold water down the sink pipe.
The article comes from Ball Valves.