Restaurant sink faucets operate under constant use throughout the day, making small sealing components critical to preventing water leaks and maintaining reliable performance. Two of the most commonly replaced faucet parts are washers and O-rings, both of which create watertight seals but function in different areas of the faucet assembly. Although these components are inexpensive, their failure can lead to dripping faucets, leaks around spouts or handles, increased water consumption, and unnecessary...