How to Install Commercial Bathroom Faucet - Part 1 of 2 - Removing the Faucet

Fig.1 Old faucet

By Gary Boutin

Supplies and Tools:
Basin wrench
Cone Washer Kit
New faucet kit
Open end wrench
Portable metal saw

George Baker has a small hair salon located in Corona, California. George wanted a new faucet he purchase in China to be installed. The sink was located in the back room with the supplies.


This post shows the seven steps required to remove an aging faucet.

Step 1: Fig.1 shows the old faucet that was removed from the sink. This faucet has brass internal parts that can be recycled. 
Step 2: Fig.2 and fig.3 shows the new faucet parts in shrink wrap.

Fig.2 Wrapped faucet

Fig.3 Black plastic nuts

Step 3: Fig.4 and fig.5 shows that the stop valves need to be turned off before removing parts of the sink.

Fig.4 Cold and 
hot stop valves

Fig.5 Cold water 
now turned off

Step 4: Fig.6 shows the copper water line. Fig.7 shows close up pictures of the bottom of the sink but without the water line attached to the sink.

Fig.6 Bottom view of sink

Fig.7 The galvanized cap 
and both faucet nuts 
needs removing

 Step 5: Fig.8 shows the rusted galvanized cap was removed from a white sink.

Fig.8 Remove rusted 
galvanized cap

Step 6: Fig.9 through fig.13 shows that once the galvanized cap is removed the white sink nuts need to be removed. These white nut is what hold the faucet to the sink. Fig.13 shows that the faucet has been liberated from the sink.

Fig.9 White nuts

Fig.10 Basin wrench 
removing nut

Fig.11 Removing 
other nut

Fig.12 No nuts now 
faucet is free

Fig.13 No faucet

Step 7: Fig.14 shows that the last step is to cut the riser tube flush with no jagged ends. This is done using a portable metal saw.

Fig.14 Removed 
damaged ends

How To Install a Commercial Bathroom Faucet:

• Part 1 of 2 - Removing the Faucet
• Part 2 of 2 - Installing new faucet

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