Duravent 5" x 8" DirectVent Pro 120" DVA Concentric Flex | 58DVA-120FF

Duravent 5" x 8" DirectVent Pro  120" DVA Concentric Flex | 58DVA-120FF

DirectVent Pro Concentric Flex from Duravent

Use as a cost-effective alternative to elbows when offsetting around an obstacle. Can also be used for simple rear-vent, up & out, or cross-corner installations. Features twist-lock collars on both ends and factory-installed, continuous spring spacer.

About the Duravent DirectVent Pro System

DirectVent Pro features tight inner connections for superb performance, with no gaskets or sealants required (unless specified by the appliance manufacturer). All black pipe lengths, pipe extensions, and elbows feature laser-welded outer wall seams for a sleek finish. Low-profile locks and no hems or beads allow for a beautiful product that looks elegant in any interior. 

DuraVent's direct vent is specified by nearly every major stove and fireplace manufacturer in the U.S. and Canada, with the largest choice of termination caps for direct vent available.

Applications

DirectVent Pro is a unitized, coaxial (concentric) venting system designed for use with direct vent gas or propane stoves, heaters, and fireplaces.

Materials and Construction

.020” aluminum inner wall. .018” galvanized steel outer wall. Painted outer walls made of laserwelded .018” galvalume steel. Caps also available in stainless steel and copper. Outer pipe brings combustion air to the appliance. Inner pipe exhausts flue gases to the outside. Gaskets or sealants not required (unless specified by the appliance manufacturer).

Clearances

Specified by the appliance manufacturer.

Diameters

4” x 6 5⁄8” and 5” x 8”.

Listings

DirectVent Pro, in combination with the gas appliance, has been tested and listed as a decorative gas appliance system or as a direct vent heater system by a major testing agency, such as UL, CSA, or Warnock Hersey. Check with your appliance manufacturer for approval.

Resources

Duravent DirectVent Pro

DirectVent Pro Concentric Flex

What Our Experts Think

• Extended-Length Flexible Venting Solution – The DuraVent 5" x 8" DirectVent Pro 120" Concentric Flex (58DVA-120FF) is ideal for installations requiring a longer reach and greater flexibility.
• 10-Foot Length for Maximum Versatility – Perfect for routing venting through complex pathways, tight spaces, or multi-story applications.
• Durable & Heat-Resistant Construction – Made from high-quality aluminum to withstand high temperatures and ensure long-term reliability.
• Concentric Design for Efficient Venting – Features an inner 5" exhaust pipe and an outer 8" combustion air intake, ensuring optimal airflow and appliance performance.
• Seamless Compatibility with DirectVent Pro Systems – Designed for a secure, leak-free connection with other DirectVent Pro components.
• Ideal for Residential & Commercial Use – Suitable for venting gas fireplaces, stoves, and inserts in a variety of home and business settings.
• UL Listed & Code Compliant – Meets industry safety standards for secure and efficient operation.
• Simplified Installation – The flexible design allows for easier routing and installation compared to rigid vent

Q&A

Q: What is the Duravent 5" x 8" DirectVent Pro 120" DVA Concentric Flex?
A: A 120" flexible concentric venting pipe designed for use with 5" x 8" DirectVent Pro systems, providing safe and efficient venting for direct vent gas appliances.

Q: What material is it made of?
A: Constructed from high-quality aluminum with a corrosion-resistant design for long-lasting durability and performance.

Q: Why choose this flex pipe?
A: Offers flexibility in vent routing, making it ideal for installations requiring slight bends while ensuring proper airflow and safety.

Q: Is it compatible with all DirectVent Pro systems?
A: Specifically designed for 5" x 8" DirectVent Pro venting applications—confirm compatibility with your appliance manufacturer before installation.

Q: Does it require professional installation?
A: Professional installation is recommended to ensure safe operation and compliance with local building codes.

Q: What is the warranty?
A: Warranty details vary; check with Duravent for specific coverage and terms.

Maintenance Tips

• Regular Inspection: Check for bends, kinks, or obstructions to ensure optimal airflow.
• Cleaning: Use a soft brush or compressed air to remove dust, soot, and debris.
• Secure Connections: Ensure all fittings and clamps are tightly secured to prevent leaks.
• Corrosion Prevention: Inspect for rust or wear, especially in humid conditions.
• Annual Maintenance: Schedule a professional inspection to maintain efficiency and safety.