Step 1

Introduction - The homeowners' double kitchen sink leaks and, for their preference, has the garbage disposal located in the wrong sink. They choose to replace the entire unit with an updated cast iron and porcelai...

Step 2

Prepare Your Tools, Materials and Work Environment - Plan your project and purchase the new sink in the appropriate size and configuration. Your local home improvement store offers a variety of brands and models. Assemble your tools and materials. Swit...

Step 3

Shut Off the Water Supply - Turn off the water supply at the shutoff valves under the sink to stop the water while you work on the sink. Turn on each faucet to confirm that the water supply is off and relieve the pressure. ...

Step 4

Provide a Basin to Catch Residual Water from the Pipes and Drain - Put a pot or other large basin under the piping beneath the sink to catch any residual water trapped in the water lines and drain as you disconnect them....

Step 5

Disconnect and Drain the Water Lines - Disconnect the water lines, starting with an adjustable wrench to loosen the nut on the top and then finishing the task with your fingers. Let any water in the lines run into the pot....

Step 6

Reposition the Basin Under the Drain - Reposition the basin under the drain line before beginning to disconnect it....

Step 7

Loosen the Large Plastic Nut on the Drainpipe - Loosen the large plastic nut on the drainpipe with your fingers or, if necessary, use adjustable multi-groove pliers that will open wide enough to grasp the plastic nut....

Step 8

Disconnect the P-trap - Loosen the plastic nut on the other side of the P-trap. This U-shaped pipe generally contains sink wastewater, but the water in the trap forms a seal that keeps sewer gases from coming up through the...

Step 9

Remove the Hose Clamp - Use a flathead screwdriver to loosen the screw on the hose clamp and remove the clamp....

Step 10

Disable the Electrical Circuit and Disconnect the Garbage Disposal Wiring - Disconnect the wiring to the garbage disposal. You already switched off the electrical circuit that powers the disposal and tested to ensure the power was off....

Step 11

Detach and Remove the Garbage Disposal - Detach and remove the disposal after first inserting a screwdriver into the ear on the retaining ring and giving it a quarter turn to the left (counterclockwise) to loosen it....

Step 12

Detach the Metal Sink Clips - Detach the metal clips that hold the sink to the countertop....

Step 13

Life Out the Sink - Lift the sink out of the countertop and dispose of it. If the sink is in good condition, a charitable organization will accept it and refurbish it....

Step 14

Remove the New Sink from Its Packaging - Unbox the new sink, after protecting the countertop from scratches with a padded covering, and inventory the parts. In this project, the new sink is cast iron with porcelain on top. If the sink is a ...

Step 15

Decide on the Faucet Location and Align the Gasket Appropriately - Decide which of the pre-cut holes in the sink will receive the faucet (bottom mounted in this project) and position the supplied rubber gasket on that opening, aligning the hole in the gasket with th...

Step 16

Position the Faucet Base Plate - Position the faucet base plate on top of and aligned with the gasket....

Step 17

Insert the Faucet through the Faucet Base Plate - Drop the base of the single-lever faucet through the hole in the faucet base plate....

Step 18

Secure the Faucet with a Spacer and Large Nut - Secure the faucet with a spacer and large nut on the bottom of the unit and applied from the underside of the sink. Space is cramped on the underside of the sink flange, so tighten the nut with the t...

Step 19

Insert Mounting Brackets and Nuts Over the Threaded Posts - Insert the mounting brackets and nuts over the threaded posts on the bottom of the faucet's base plate and tighten them with your fingers. ...

Step 20

Install the Air Gap Device - Slip the air gap device upwards in the remaining pre-cut hole in the sink to prevent dirty sink water from siphoning into the dishwasher. Position and tighten the large plastic nut from the upper sid...

Step 21

Attach the Water Hose on the Faucet Wand - Insert the water hose on the faucet wand into the open end of the faucet base and attach the hose to the fitting on the underside of the faucet. Finger-tighten the nut and then give it a quarter turn...

Step 22

Screw the Lead Weight to the Hose - Use a screwdriver to attach the lead weight to the hose, sandwiching the hose between the two halves of the weight. The weight will pull the hose under the sink when the faucet wand is not in use....

Step 23

Shape Pumber's Putty for the Drain Cutout - Roll 1/2-inch coils of plumber's putty between the palms of your hands. Make them long enough to encircle the perimeter of each drain cutout. ...

Step 24

Apply the Coil of Putty to the Drain Cutout - Apply the coil working from the upper side of the sink. The putty will flatten out when you install the strainer baskets and the excess will ooze out the sides for easy removal--so neatness is not a...

Step 25

Set the Sink Strainer Basket on the Putty and Press in Place - Drop each sink strainer basket on top of the putty in its respective drain hole and press the hardware firmly against the putty to make a waterproof seal. The strainer on the disposal side is differe...

Step 26

Locate the Underside of the Sink Cutout on the Side without the Disposal - Tilt the sink on its side to allow access to the bottom of the strainer hardware and locate the sink strainer on the side of the sink that will not have the disposal....

Step 27

Add the Gaskets and Retaining Ring - Add the rubber gasket, the cardboard casket, and then the threaded retaining ring to the bottom of the strainer....

Step 28

Snug the Retaining Ring - Snug the retaining ring with your fingers....

Step 29

Use the Special Wrench to Tighten The Retaining Ring an Additional Quarter Turn - Use the special wrench provided to tighten the retaining ring securely with an additional quarter turn....

Step 30

Add Gaskets and Base Plate for the Disposal - Slip the gaskets and base plate for the disposal on the bottom of the other strainer basket....

Step 31

Add the Mounting Bracket - Add the mounting bracket for the garbage disposal....

Step 32

Snap on the Retaining Ring - Snap on the retaining ring....

Step 33

Remove the Excess Putty - Run your finger along the top side of both strainer baskets to remove the excess putty squeezed out when you tightened the hardware....

Step 34

Tighten the Disposal's Retaining Ring with a Screwdriver - Fit the disposal's retaining ring into the mounting bracket and tighten it by inserting a screwdriver into the ear on the retaining ring to turn it. This process is the reverse of the process you us...

Step 35

Reinstall the Drainpipe and P-trap - Reinstall the drainpipe and P-trap and tighten any compression nuts. Re-attach the hoses with hose clamps. Secure the clips at the corners of the sink to fasten it to the countertop....

Step 36

Place the Sink in Its Opening Elevated on Small Blocks of Wood - Place temporary blocks of wood (of equal thickness) on each side of the sink opening and then turn the sink right side up and gently position it in the sink cutout in the countertop. Move the protect...

Step 37

Caulk the Perimeter of the Sink Opening - Caulk around the perimeter of the sink opening. The wooden blocks hold the sink off the surface to facilitate adding the sealant and protect your fingers from being pinched under the heavy cast iron...

Step 38

Remove the Wooden Blocks and Lower the Sink into Position - Have a helper support the sink from the bottom while you remove the wooden blocks, one at a time, and finish caulking the perimeter of the sink cutout. Lower the sink gently into position....

Step 39

Add Another Bead of Caulk on the Sink Flange - Add another bead of caulk at the edge of the sink flange....

Step 40

Smooth the Caulk with Your Finger - Smooth the caulk with your fingers after dipping them in soapy water....

Step 41

Reinstall the Water Lines - Reinstall the water lines....

Step 42

Add Required Pipe Fittings for the Disposal's New Position - Add additional pipe fittings as required to accommodate the new position for the disposal. Apply pipe thread compound to the connecting threads where appropriate....

Step 43

Reattach the Electrical Wires to the Disposal - Re-attach the electrical wires to the disposal....

Step 44

Turn the Valves to Restart the Water - Turn the valves on to re-start the water supply. It is a good idea to remove the aerator from the faucet and let water run through the plumbing for a minute or two to flush out any manufacturing debr...

Step 45

Tighten the Screws on the Disposal Mounting Bracket - Tighten the screws on the mounting bracket with a screwdriver to pull the strainer basket firmly into the plumber’s putty on the other side. ...