Turn off the hot and cold water supply valves under the sink.
Open the existing faucet to relieve any remaining water pressure.
Place a bucket and towel under the sink to catch any water drips.
Use an adjustable wrench to disconnect the water supply lines from the faucet.
Use a basin wrench to loosen and remove the mounting nuts securing the old faucet.
Lift the old faucet out from the top of the sink and set it aside.
Clean the sink surface thoroughly to remove old sealant or debris.
Insert the new faucet through the mounting holes in the sink.
From underneath, secure the faucet using the provided mounting hardware.
Apply plumber's tape to the threads of the faucet connections if needed.
Attach the water supply lines to the new faucet using an adjustable wrench.
Ensure all connections are hand-tight, then snug with a wrench without over-tightening.
Turn on the water supply valves slowly and check for leaks.
Inspect all connections under the sink for any signs of dripping.
Tighten any leaking connections slightly with a wrench.
Turn on the faucet to test both hot and cold water flow.
Check for proper water pressure and smooth handle operation.
Wipe down the faucet and surrounding area to remove any water or debris.
Dispose of the old faucet and packaging materials properly.
Monitor the faucet over the next day to ensure no slow leaks develop.
