Transcript

Learn how to replace a kitchen faucet and install shut-off valves beneath the kitchen sink.

As part of a larger kitchen renovation project, a homeowner wants to start with the simple replacement of the kitchen faucet with a new model that he has already purchased. The original faucet is a single tap and lever model. As part of the faucet retrofit, we install shut-off valves and then update with a single tap and individual water valves.

To view a video showing how a compression fitting works cllick here.

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shutting off the water supply to the kitchen faucet
Step 1

Shut off the Water Supply Lines to the Kitchen Faucet

Turn off the hot and cold water supply to the kitchen faucet--we found the shutoff valves that controlled the first floor in the basement. Open the kitchen faucet to bleed off the water and any remaining water pressure.

loosening the clamp on the dishwasher hose
Step 2

Remove the PVC Plumbing and Hoses below the Kitchen Sink

Remove the sink drain, starting with the dish washer hose and PVC plastic plumbing to provide more room and easier access. Removal is simple and reinstallation will be, too.

scoring the copper line with a pipe cutter
Step 3

Detach the Copper Water Lines beneath the Sink

Cut the copper water lines with a pipe cutter to detach the lines from the faucet. You will install new shutoff valves beneath the sink so the water supply can be shut off without disturbing the rest of the house.

removing the old kitchen faucet
Step 4

Loosen and Remove the Old Kitchen Faucet and Water Lines

Use a basin wrench to loosen cut water lines from the faucet and loosen the retaining nut that holds the faucet base. Lift out the old kitchen faucet and remove the old plumbers putty without scratching the stainless steel sink.

tightening the fitting on the new shutoff valves
Step 5

Install New Shutoff Valves below the Kitchen Faucet

Install new shutoff valves on the incoming water lines below the sink. Slip the valves over the ends of the copper pipes and tighten the compression fitting with two wrenches to avoid spinning the fitting and twisting the pipe.

securing the mounting plate for new kitchen faucet
Step 6

Mount the New Kitchen Faucet on the Sink

Place a rubber O-ring on the new kitchen faucet base and insert it into the precut hole in the sink. Secure the mounting plate beneath the sink and secure it with a retaining nut and the plastic socket provided.

inserting the spray nozzle into the kitchen faucet
Step 7

Insert the Spray Nozzle Hose into the Kitchen Faucet

Insert the spray nozzle hose into the end of the faucet, pushing it through and out the bottom. Push the hose all the way through and out the bottom side of the faucet base.

adding a C-ring
Step 8

Apply Plumber's Putty

Apply plumbers putty to water valve bases. Insert the valves upwards through the sink, add C-rings, and hand-tighten the nuts beneath. Finish with the basin wrench. Clip on the hose that connects the valves to the faucets.

connecting the new shutoff valves and the kitchen sink
Step 9

Connect the New Kitchen Faucet to the Water Lines

Connect the new water supply lines to the kitchen faucet and new shutoff valves. Screw the valve handles and trim on top of the valve bodies. Install the pump housing and pump for the liquid soap dispenser.

replacing the kitchen sink plumbing
Step 10

Reinstall the Plumbing beneath the Sink and Leak Test

Replace the drain plumbing beneath the sink, including the P-trap assembly and the dish washer hose. Lay paper towels on the bottom of the cabinet to test for leaks before you turn on the water at the shutoff valves.

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