Rooms & Spaces/ Kitchen/ Sinks/ Interior Maintenance/ Plumbing/ Surfaces & Systems/ Plumbing Techniques/

How to Remove and Put in a Porcelain Kitchen Sink


Replace Your Stainless Kitchen Sink with a New Porcelain Model and Switch the Garbage Disposal to Your Preferred Side

Replace your dull kitchen sink with a newer more attractive porcelain model with an updated spray wand and the garbage disposal moved to the side that suits your style of kitchen use. This DIY kitchen sink installation--both removing the old sink and plumbing the new one--is a straightforward project made even simpler with the addition of helper's hands.

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turning the shut-off valve in a clockwise direction
Step 1

Turn off the Water Supply at the Sink's Shut-off Valve

Stop the water supply to the existing sink by rotating the sink's hot and cold shut-off valves clockwise to a closed position.

disconnecting the water line
Step 2

Loosen the Nuts and Disconnect the Water Lines

Loosen the nuts to the water lines with an adjustable wrench and/or your fingers and disconnect each line after placing a container beneath to catch the residual water. Leave the container in place for the next step.

loosening the nut with adjustable multi-groove pliers
Step 3

Disconnect the Drain Line and Remove the P-Trap

Loosen the plastic nuts on the drain line with adjustable multi-groove pliers that open wide enough to grip the large nut. Remove and drain the P-trap. Use a screw driver to loosen the hose clamp on the garbage disposal.

detaching the garbage disposal wiring
Step 4

Disconnect the Wiring and Remove the Garbage Disposal

Switch off the electrical circuit to the garbage disposal, loosen the wire nuts and disconnect the electrical wiring. Slip a screwdriver through the ear on the retaining ring, give the ring a quarter turn and remove the garbage disposal.

unscrewing the metal clips beneath the sink
Step 5

Unscrew the Metal Attachment Clips and Remove the Existing Sink

Unscrew the metal clips under the sink that attach it to the underside of the countertop. Lift out the old sink from the top of the kitchen counter and set it aside.

securing the sink components
Step 6

Install the Sink Components before Positioning It in the Countertop

Uncrate the new sink and install the gaskets, base plate, faucet, spray wand and air-gap device. Secure them from the underside of the sink. You will position the sink in the countertop in a later step.

tightening the retaining ring on the strainer basket
Step 7

Add Plumbers' Putty before Installing the Sink Hardware

Add plumbers' putty around each drain opening and press the strainer basket into one opening and the garbage disposal ring into the other. Tip the sink on edge and install the gaskets and hardware on the underside of the sink.

attaching the garbage disposal
Step 8

Secure the Garbage Disposal to Its Hardware beneath the Sink

Attach the garbage disposal to its mounting bracket beneath the sink. Secure it by slipping a screw driver into the ear on the retaining ring and rotating the ring.

caulking the gap left by the blocks
Step 9

Position the Sink in the Countertop Resting on Temporary Blocks

Position the sink in the opening on wooden blocks while you add a bead of caulk. Support the sink from the bottom, remove the blocks, fill the gap with caulk and lower it into position. Caulk the upper edge.

reworking the drain line for the relocated disposal
Step 10

Reinstall the Plumbing and Restore the Water Supply and Electricity

Reinstall the drain line to accommodate the disposal in its new position and reinstall the water lines. Reattach the garbage disposal wiring and the power to the electrical circuit and restore water flow at the shut-off valves.

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