NOTE: Always follow manufacturer’s recommended safety precautions and instructions for the products you use.

Dryer vent in a home being cleaned out with a round brush. There is a large pile of lint that has been removed from the vent on a white tiled floor. The walls and baseboards are white. The lint is gray. Taken with a Canon 5D Mark 3 camera. rm

1-Clean Inside and Outside

  • Unplug the dryer from the wall outlet. It is important to keep the supply valve closed while working on a gas dryer to avoid gas from leaking or accidentally igniting.
  • Pull the dryer away from the wall and unplug it from the ductwork.
  • It is common for lint to accumulate in the exhaust duct located at the back of the dryer.
  • Use a flexible dryer vent cleaning brush to loosen debris and vacuum out any excess lint.
  • Repeat the process outside where the dryer vents. It is possible that you will need to remove the vent hood.

2-Check for Damage

  • Inspect your ductwork for signs of wear and tear. If it has been pierced, damaged, or kinked, it should be replaced.Lint can accumulate in this area.
  • Vinyl and foil ducts are simple to install, but they can droop and collect lint in their ridges if not installed properly.
  • Metal ducts have a higher chance of keeping the fire under control.

3-Replacing Dryer Vent and Ducts

  • The vent hood is secured in place over the external opening with four screws. Choose a vent that allows air and trash to exit while keeping out insects, cold drafts, and inclement weather.
  • Measure the length of the duct that has to be replaced, starting at the back of the dryer and ending at the outside.
  • Buy a replacement vent pipe with the appropriate diameter; 4 inches is usually the standard, but check your owner’s handbook for specific requirements. Smaller ducts may impede airflow, but larger ducts may increase the quantity of lint that accumulates in the system.
  • Disconnect the dryer’s vent hood from the dryer. The metal collar from the previous vent can be used to guide the length of the new collar, which should be cut to the precise length with the tin snips. Connect it to the vent hood and slide everything into position from the outside.
  • Inside, one elbow will be attached to the vent hood duct and another will be attached to the dryer vent pipe.
  • Connect the lengths of duct between the elbows using the duct joiners.
  • Tighten the clamps or zip ties at the connection locations, then seal the seams with foil tape.
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