Replacing Drain Pipes Under Kitchen Sink With Garbage Disposal

Look over all the pipes under your sink for any sign of leakage before heading to the store to buy a new garbage disposal.

Replacing drain pipes under kitchen sink with garbage disposal.

There will be a drain pipe extending from the side of the garbage disposal to the drain on the adjacent sink. Reach under the sink and find the knob that turns off the water supply. Use pliers to loosen the slip nut at each end of the trap bend. You might want to replace more than just the disposal itself so you may as well make a list and be prepared before your garbage disposal installation.

It will be secured with slotted screws. Unthread the nuts and pull the trap straight down to remove it. Place a bucket or other container under the drain trap to catch water that drains from the pipes. Turn off the water supply.

Place a bucket below the p trap in your kitchen sink cabinet and use a basin wrench to loosen the nuts holding the pipes in place. If necessary give it a couple of light taps with a. Remove the pipes and tip them into the bucket to drain any. Place an empty bucket beneath the drain trap under the sink.

After turning the knob test the faucet to ensure the water supply is properly shut off. Loosen the slip nuts and remove the continuous waste pipe and the tee that connects to the discharge pipe of the disposal. Push up the sink flange the metal ring inside your kitchen sink that encircles the opening to the drain and garbage disposal to loosen it.