A Step-by-Step Guide to Installing Commercial Faucets

April 9, 2024
A Step-by-Step Guide to Installing Commercial Faucets

Written by: Deane Biermeier / Facts Checked by; Ryan Cullenward / Products Tested by Licensed Interior Designers

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Commercial faucets are an essential part of any public or commercial space. Installing a new one can seem daunting, but it can be done fast and easily with the right tools and instructions. In this guide, we'll walk you through installing a commercial faucet step-by-step. We'll also give tips on how to stay safe during the installation process.  

Tools Needed  

Before you start the installation process, you'll need to gather the following tools:  

  • Adjustable wrench  
  • Screwdriver  
  • Basin wrench  
  • Plumber's putty  
  • Teflon tape  
  • Bucket or container  


Before you start, turn off the water connection to the sink or area where you'll install the new faucet. Remove any old hardware or debris and ensure the place is clean and dry. You'll also need to prepare the installation site.  

Safety Precautions

Safety precautions are crucial when installing commercial faucets. Ensure the area is clear of obstacles, use appropriate tools, follow manufacturer instructions, shut off water supply, and wear protective gear to prevent accidents.

  1. Clear the installation area of any obstacles or clutter.
  2. Utilize appropriate tools for the installation process.
  3. Follow the manufacturer's instructions carefully.
  4. Shut off the water supply to the area where the faucet will be installed.
  5. Wear protective gear such as gloves and eye protection to prevent accidents.

Removing the Old Faucet  

  1. Start by disconnecting the water supply lines from the old faucet. Use a wrench to remove or loose the nuts and gently pull the lines away from the faucet.  
  2. Remove your faucet nuts and washers that hold the old faucet in place. Use a basic wrench to loosen the nuts if they are difficult to reach.  
  3. Gently lift the old faucet away from the sink or countertop, careful not to damage any plumbing or electrical connections.  

Installing the New Faucet  

  1. Start by positioning the gasket or mounting plate on the sink or countertop where the new faucet will be installed. Ensure that it is centered and level.  
  2. Place the new faucet through the mounting plate or gasket and secure it in place using the mounting nuts and washers. Use a simple wrench to tighten the faucet nuts securely, but be careful not to overtighten and damage the sink or countertop.  
  3. Attach the water supply lines to the new faucet. Apply Teflon tape to the threaded ends of the supply lines before screwing them into the faucet. Use a flexible wrench to tighten the connections securely.  
  4. Apply the plumber's putty around the base of the new faucet to prevent any water from leaking into the area below the sink.  

Testing the New Faucet  

  1. Turn on the water connection and check for leaks. Turn off the water supply and now tight the connections if you notice any leaks.  
  1. Turn on the faucet and check for proper water flow and temperature. If the flow or temperature is incorrect, check the installation and connections for any issues.  
  1. Fill a container with water and test the faucet's spray or aerator function to ensure it works correctly.  


Installing a commercial faucet can seem intimidating, but it can be done fast and easily with the right tools and instructions. Always turn off the water supply and take the necessary safety precautions when working with plumbing. By following this step-by-step guide, you'll have a new commercial faucet installed in no time. 

Disclosure: Sanitarysupply.org receives an affiliate commission on some, but not all, of the products we recommend—but only if you decide to click through to the retailer's site and make a purchase.

Deane Biermeier - A senior contractor and an experienced freelance writer - expert for reviews

Deane is an amazing freelancer with wide range of skills. He has good ideas and a prominent passion of writing. He is currently working on many websites including Sanitary Supply.

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