Replace Kitchen Sink Drain Pipe In Wall

The sink drain runs into a wall behind the cabinets and then straight down into the basement.

Replace kitchen sink drain pipe in wall.

This can be done in at least two basic ways. Remove the old drain pipe remove the old drain assembly from the top down. The drain pipe corroded a couple feet down the line and is leaking. Place a p trap under it to connect it to the pipe in the wall.

I d like to replace the entire run from the sink to the sewer with pvc. Fasten each pipe together by twisting on a ring shaped nut with pliers. Use the pliers to unscrew any stubborn slip nuts. Measure the tailpiece for buying a new kitchen sink.

15 to 30 there aren t many reasons for changing out the drain pipes under a kitchen sink but it s not uncommon to replace the drain assembly during a kitchen renovation when the sink is being replaced. If you have a garbage disposal unit don t forget to install the pipe running from the drain pipe to the side of the unit. I don t know how to remove the section in the wall without cutting into the back of my fancy ish new ish. The drain pipe should run from the drain to the floor.

It may be necessary to replace the entire drain pipe from the sink all the way to a main drain pipe in the building. Go into the crawlspace if the sink is at ground level and find the point at which the pipe passes through the bottom plate of the wall. You can choose a new sink with a deeper basin than the existing sink has but if it hangs down too low it won t drain properly and you ll have to lower the sanitary tee connection in the drain line inside the wall. Insert a compression gasket into the top of the drainpipe of the sink.

This video shows how to assemble drain pipes under a sink. Follow the pipe to the point at which it connects to the. A rubber compression gasket is a small flexible gasket that creates a watertight seal. It should fit snugly into place.

Place a rubber compression gasket inside of the drain pipe.