How to fix a clogged double sink

 


A clogged double sink in the kitchen is a messy affair. You can fix most clogs yourself with a few simple tools. With double sinks, the two basins share a single drain, so clearing the clog in one basin will usually unclog the drain in both basins.

Plug one of the basin drains with a plug or wet rag. Hold the plug in place. Add 10 cm of water to the other clogged basin. Turn the rubber cup of the siphon into the water so that the cup fills with water and not air. Place the cup over the drain and pump the handle up and down 20 times. Pull the plunger out of the drain and allow the water to drain. If your double sink has a garbage disposal, you will need to submerge the sink with the disposal first. Turn on the disposer and run the faucet to flush the unit and drain the water. Check the other basin to see if it drains.

Check the trap under the sink for clogs. Shine the flashlight on the area under the sink if necessary. Place a bucket under the siphon. Put on rubber gloves. Loosen the union nuts securing the siphon using the grooved pliers. Loosen the union nut closest to the sink and drain the water from the sink into the bucket. Loosen the other union nut on the siphon arm that extends into the wall. Pull the siphon off the pipes. Remove any material that is clogging the siphon. Slide the trap back onto the drain pipes and tighten the union nuts. Run water to check that both sinks drain.

Pull out the wall drain if cleaning the trap does not restore the drain or you find nothing in the trap. Remove the trap again and remove the trap arm that goes to the wall drain by loosening the retaining nut on the wall. Pull the siphon arm off the drain socket that protrudes from the wall.

Loosen the set screw on the crank of the snake to clean the drain. Pull an approx. 60 cm long snake cable from the coil attached to the crank. Tighten the set screw on the coil and insert the tip of the cable into the drain socket. Turn the crank clockwise while inserting the cable into the drain. Pull the cable off the reel 45 cm at a time as you continue to insert the snake into the drain. When you reach a blockage, the tension on the snake cable increases sharply. Continue to turn the crank and insert more cable to overcome the obstruction. When you have cleared the blockage, the tension will ease.

Pull the snake back by pulling on the cable while turning the crank counterclockwise. As you pull the cable out, wipe off any debris and wind the cable back onto the drum. Place the bucket under the drain spout. Pull the tip out of the drain. Drop the nozzle into the bucket, as there may be mud caught in it. Repeat the process until you no longer feel any blockage.

Call the Emergency Plumber in Bristol. After your call, we send immediately a plumber to your place. Make us a call, 01174090204.

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