Duravent - (2) 3" Liners - 35ft with Termination Cap - 46DVA-CL33-35

Duravent - (2) 3" Liners - 35ft with Termination Cap - 46DVA-CL33-35

Use when installing a direct vent co-linear insert into a masonry chimney.

Kit includes: High-Wind Termination Cap and two pieces of Aluminum Flex lengths - one Red (exhaust), and one Green (air intake). See chart for diameters and lengths.

Specifications

What Our Experts Think

• Complete Co-Linear Venting Solution – The DuraVent (2) 3" Liners - 35ft with Termination Cap (46DVA-CL33-35) provides a reliable venting system for direct vent gas inserts in masonry or factory-built chimneys.
• Dual 3” Aluminum Flex Liners – Designed for both exhaust and combustion air intake, ensuring safe and efficient fireplace operation.
• Long 35-Foot Length for Versatile Installations – Ideal for tall chimneys, allowing flexibility in routing the venting system while maintaining proper draft.
• Durable & Corrosion-Resistant Construction – High-quality aluminum liners resist heat, moisture, and corrosion for long-lasting performance.
• Includes Horizontal Termination Cap – Provides a secure and weather-resistant exit point for exhaust gases while allowing fresh air intake.
• Optimized for Efficiency & Safety – Helps improve fireplace combustion efficiency by maintaining proper airflow and reducing backdraft risks.
• UL Listed & Code Compliant – Meets industry standards for safe residential and commercial applications.
• Easy Installation – The flexible liner design simplifies installation in existing chimneys, reducing the need for extensive modifications.

Q&A

Q: What is the Duravent (2) 3" Liners - 35ft with Termination Cap (46DVA-CL33-35)?
A: A co-linear venting kit featuring two 3" flexible aluminum liners (35 feet each) and a termination cap, designed for use with DirectVent Pro systems in chimney reline applications.

Q: What material is it made of?
A: Constructed from high-quality aluminum for lightweight durability and corrosion resistance.

Q: Why choose this liner kit?
A: Ideal for safely venting direct vent gas appliances through an existing masonry chimney while ensuring proper airflow and combustion.

Q: Is it compatible with all DirectVent Pro systems?
A: Designed specifically for co-linear venting applications—confirm compatibility with your appliance manufacturer before installation.

Q: Does it require professional installation?
A: Professional installation is recommended to ensure proper venting, safety, and compliance with local codes.

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

Maintenance Tips

• Regular Inspection: Check for blockages, kinks, or damage to ensure proper airflow.
• Cleaning: Use a soft brush or vacuum to remove soot, creosote, and debris from the liners.
• Secure Connections: Ensure all fittings and clamps are tightly secured to prevent leaks.
• Weather Protection: Verify that the termination cap is properly installed to withstand wind, rain, and snow.
• Annual Maintenance: Schedule a professional inspection to maintain efficiency and safety.