DryerFlex 4-Inch Dryer Transition Duct – UL 2158A Listed
DryerFlex 4-Inch Dryer Transition Duct – UL 2158A Listed
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DryerFlex is a UL 2158A-listed, 4-inch flexible dryer transition duct designed to resist crushing and maintain airflow. Ideal for connecting clothes dryers to rigid exhaust ductwork, especially in tight laundry spaces.Available in 4-ft and 8-ft lengths for residential and multifamily applications.
Specifications
Specifications
Product Specifications
- Diameter: 4 inches
- Lengths: 4 ft and 8 ft
- Safety Listing: UL 2158A
- Application: Clothes dryer transition duct
- Construction: Flexible, crush-resistant metal-based duct
Key Benefits
- Resists crushing to help maintain airflow
- Flexible for tight laundry spaces
- UL 2158A listed for dryer transition applications
Important: For exposed dryer-to-wall connections only. Not intended for concealed installation inside walls or ceilings. Follow manufacturer instructions and applicable codes.
Installation
Installation
Installation & Sizing
- Select the 4-ft or 8-ft length based on the distance between the dryer and wall connection.
- Use the shortest practical length to minimize bends and airflow restrictions.
- Connect DryerFlex to the dryer outlet and rigid exhaust duct using manufacturer-approved connections.
- Avoid crushing, kinking, or excessively compressing the duct.
- Keep the transition duct accessible and outside concealed wall or ceiling cavities.
Important: Follow the dryer manufacturer's installation instructions, DryerFlex installation requirements, and applicable local codes.
Need additional guidance?
See our Dryer Vent Installation Guide for help selecting the appropriate dryer transition duct and installation accessories.
FAQs
FAQs
Is DryerFlex UL listed?
Yes. DryerFlex is UL 2158A listed for clothes dryer transition duct applications.
What is the difference between the 4-ft and 8-ft lengths?
Both have a 4-inch diameter. Choose the shortest length that allows a proper connection without stretching or crushing the duct.
Can DryerFlex be installed inside a wall?
No. DryerFlex is intended for exposed dryer transition connections. Concealed dryer exhaust ductwork requires an appropriate rigid metal duct.
Is DryerFlex better than standard foil duct?
DryerFlex is designed to resist crushing and maintain airflow better than conventional lightweight foil transition ducts.
Can DryerFlex be shortened?
Follow the manufacturer's instructions for adjusting or trimming the duct. Avoid leaving excessive material compressed behind the dryer.
Does DryerFlex work with standard dryers?
DryerFlex is designed for compatible 4-inch dryer exhaust connections. Always verify your dryer's installation requirements.
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