Changing Kitchen Sink Drain Pipe

Remove existing piping and drain before you start cutting and removing pipe you will want to place a bucket.

Changing kitchen sink drain pipe.

Separate the tailpiece from the sink drain. Attach new tailpiece step 3. Use a pipe that s the same diameter either 1 1 4 or 1 1 2. 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.

The photo to the left shows the washers and locknut that connect the basket. Apply a bead around the sink opening when you set in the sink and around the drain opening when you set the disposer drain and basket strainer. Clean and prepare your surfaces. When you examine your under sink elbow you see that it s joined to the tailpiece which is the vertical pipe coming from the sink or garbage disposal and to the horizontal waste arm by large connecting nuts.

Disassemble the existing drain assembly so you can remove the strainer which most. You usually need to use slip lock pliers or a wrench. How to replace kitchen sink drain plumbing step 1. With large pliers loosen the slip nut which is a ring that keeps the tailpiece tightened to the drain located on.

Connect a trap bend to the trap arm. Attach a trap arm step 5. This video shows how to assemble drain pipes under a sink. Remove a self rimming cast iron sink.

Add a t fitting if necessary step 4. Cut new pipes with a hacksaw to match the ones you removed. Is your kitchen sink drain leaking water underneath. Step three the next.

Step two the basket strainer assembly. Replace sink drain pipe screw in new tailpieces that are long enough to extend to the same level as the top of the drain pipe in the wall. Wipe away excess caulk. No need to call the handyman in this plumbing tips video we show you how to install kitchen sink drains.

You re supposed to be able to loosen these nuts by hand but you seldom can. Assemble the pipes with. Remove the old drain pipe step 2.