Duravent 4" x 6-5/8" DirectVent Pro 3" & 4" Flex Horizontal Cap Kit | 46DVA-HCL34

Duravent 4" x 6-5/8" DirectVent Pro 3" & 4" Flex Horizontal Cap Kit | 46DVA-HCL34

DirectVent Pro Flex Horizontal Cap Kit from Duravent

• Use when venting an approved appliance horizontally through the back of a suitable masonry chimney.

Kit includes:

• Co-Linear Termination, Two 10' Aluminum Flex Lengths (3x3 or 3x4), and Hardware for Flex Attachment.

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 Flex Horizontal Cap Kit

What Our Experts Think

• Complete Horizontal Venting Solution – The DuraVent 4" x 6-5/8" DirectVent Pro 3" & 4" Flex Horizontal Cap Kit (46DVA-HCL34) is designed for efficient sidewall venting of gas fireplaces and inserts.
• Flexible 3" & 4" Aluminum Liners – Includes both intake (3") and exhaust (4") flex liners, providing a versatile setup for various installation needs.
• Durable & Corrosion-Resistant Construction – Made from high-quality aluminum to withstand high temperatures and long-term exposure to combustion gases.
• Low-Profile Horizontal Termination Cap – Designed to blend seamlessly with exterior walls while ensuring proper exhaust ventilation and air intake.
• Integrated Debris & Weather Protection – Features built-in screens to prevent birds, pests, and debris from entering the vent system.
• Seamless Compatibility with DirectVent Pro Systems – Designed for easy integration with other DirectVent Pro components for a secure, leak-free connection.
• UL Listed & Code Compliant – Meets industry safety standards for reliable operation and peace of mind.
• Simplified Installation – The flexible design and complete kit make installation more convenient, reducing the need for additional components.

Q&A

Q: What is the Duravent 4" x 6-5/8" DirectVent Pro 3" & 4" Flex Horizontal Cap Kit?
A: A horizontal venting kit designed for use with 4" x 6-5/8" DirectVent Pro systems, featuring both 3" and 4" flexible liners for safe and efficient gas appliance venting.

Q: What material is it made of?
A: Constructed with high-quality aluminum flex liners and a durable vent cap for reliable performance and longevity.

Q: Why choose this cap kit?
A: Provides a complete horizontal venting solution, ensuring proper exhaust and air intake for safe gas appliance operation.

Q: What does the kit include?
A: Includes a horizontal termination cap, 3" and 4" flexible vent liners, and necessary components for installation.

Q: Is professional installation required?
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 debris, nests, or blockages that could restrict airflow.
• Cleaning: Use a soft brush or compressed air to remove dust, dirt, and soot buildup.
• Secure Connections: Ensure all fittings and clamps are tightly secured to prevent leaks.
• Weather Protection: Confirm that the cap is securely fastened to withstand wind, rain, and snow.
• Annual Maintenance: Schedule a professional inspection to maintain efficiency and safety.