This can be done in at least two basic ways.
Replace kitchen sink drain pipe in wall.
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.
Use the pliers to unscrew any stubborn slip nuts.
I don t know how to remove the section in the wall without cutting into the back of my fancy ish new ish.
Place a rubber compression gasket inside of the drain pipe.
It may be necessary to replace the entire drain pipe from the sink all the way to a main drain pipe in the building.
Remove the old drain pipe remove the old drain assembly from the top down.
The drain pipe should run from the drain to the floor.
Place a p trap under it to connect it to the pipe in the wall.
The sink drain runs into a wall behind the cabinets and then straight down into the basement.
It should fit snugly into place.
Fasten each pipe together by twisting on a ring shaped nut with pliers.
A rubber compression gasket is a small flexible gasket that creates a watertight seal.
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 are looking for an easy step by step instructional on how to plumb a drain then this is it.
The drain pipe corroded a couple feet down the line and is leaking.
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.
Insert a compression gasket into the top of the drainpipe of the sink.
Remember the drain trap the u shaped bend will have a small amount of standing water so have your bucket or bag handy.
This video shows how to assemble drain pipes under a sink.
I d like to replace the entire run from the sink to the sewer with pvc.