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How to install a lint trap on a washing machine drain?

Step-by-step guide to install a lint trap on your washing machine drain, complete with safety tips, essential tools, leak testing, and routine maintenance instructions.

Reviewed by Content Team

Head of Content, D. Gorenko

Updated June, 5

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How to install a lint trap on a washing machine drain?

 
Gather Necessary Materials and Tools
 

  • Lint trap kit (designed for washing machine drains) or a suitable lint filtering device
  • Adjustable wrench and screwdriver
  • Hose clamps and extra washers if needed
  • Plumber's tape
  • Pipe cutter (if modifications to the drain piping are required)
  • Bucket and rags for cleaning up any residual water

 
Prepare the Washing Machine and Drain Area
 

  • Unplug the washing machine and turn off the water supply to avoid accidental leaks and ensure safety.
  • Move the washer slightly away from the wall to gain easy access to the drain hose connection and nearby plumbing.
  • Place a bucket or towel beneath the drain connection to catch any water that may spill during disconnection.

 
Examine the Drain Connection and Plan Installation
 

  • Inspect the existing drain hose and wall or standpipe connection to determine where the lint trap adapter will be best positioned.
  • Decide whether you will be installing the lint trap inline between the machine’s drain hose and the main drain pipe or on a section of the drain that is accessible for regular maintenance.
  • Review the instructions provided with your lint trap kit to identify any specific fitting or adapter requirements.

 
Disconnect the Washing Machine Drain Hose
 

  • Loosen the hose clamp securing the washing machine’s drain hose to the drainage fitting.
  • Gently remove the drain hose from the standpipe or wall drain, taking care not to damage the hose or surrounding plumbing.
  • Have a bucket or small container nearby in case any water remains within the hose that needs to be drained.

 
Install the Lint Trap Adapter
 

  • If your lint trap kit requires an adapter, attach it securely to the end of the washing machine’s drain hose.
  • Wrap plumber’s tape around any threaded connections to ensure a watertight seal where necessary.
  • Fit the lint trap device onto the adapter carefully following the manufacturer’s instructions.

 
Reconnect the Drain Hose with the Lint Trap in Place
 

  • Connect the lint trap assembly to the existing drain fitting or standpipe.
  • Secure the connection using hose clamps, ensuring the clamp is tightened enough to prevent leaks but not so tight as to damage the hose or lint trap assembly.
  • If the installation involves adding extra fittings or extension pipes, double-check that all parts fit properly and without gaps.

 
Test the Installation for Leaks and Proper Function
 

  • Plug the washing machine back in and turn on the water supply.
  • Run a short cycle or a rinse cycle to allow water to flow through the newly installed lint trap assembly.
  • Carefully observe all connections for signs of water leakage and verify the lint trap is capturing lint as expected.
  • If any leaks occur, tighten connections or reapply plumber’s tape as needed.

 
Finalize the Installation and Plan Routine Maintenance
 

  • Once you are satisfied the system is leak-free and functioning correctly, secure the washing machine back into its normal position.
  • Read the lint trap maintenance instructions provided by the manufacturer to understand how frequently it should be cleaned.
  • Schedule regular cleaning sessions to remove accumulated lint and prevent clogs in the drain.
  • Inspect the installation periodically to ensure that all fittings and seals remain in good working condition.
  • If you happen to be in St. Louis or Nashville, our team is available for practical advice on routine maintenance and any further adjustments you might need.

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