The DuraVent Concentric Vent System 3" x 5" Black Wall Thimble is a durable direct vent wall penetration accessory designed to provide a clean, secure installation for concentric vent systems in gas appliance applications. Engineered for the DuraVent Concentric Vent System (CVS), this wall thimble supports the system’s 3-inch inner diameter and 5-inch outer diameter configuration while helping maintain proper vent clearances through walls. The CVS offers an economical venting solution for condensing and non-condensing appliances with a UL 1738-approved super-ferritic stainless steel inner wall for excellent corrosion resistance and long-lasting performance.

Designed for professional HVAC and direct vent gas fireplace installations, the Black Wall Thimble complements the fully sealed, gas-tight CVS design. The system features a patented twist-lock connection, integrated O-ring sealing technology, and built-in condensate management to reduce standing condensation and prevent exhaust or combustion air leakage. With its sleek black finish and reliable construction, this DuraVent accessory helps deliver a secure, efficient, and visually appealing vent installation for modern heating systems

Features

• DuraVent Concentric Vent System 3" x 5" Black Wall Thimble: Premium direct vent wall thimble accessory designed for secure installation of DuraVent Concentric Vent System (CVS) components in gas appliance venting applications.
• Through-the-Wall Vent Installation: Specifically designed for horizontal direct vent installations, providing a clean and reliable passage for concentric vent pipe through exterior walls.
• Fits Standard Wall Stud Spacing: Engineered to fit between standard wall studs, simplifying installation for residential and commercial HVAC venting systems.
• Air Infiltration Reduction: Includes an insulation ring that helps minimize air infiltration where the vent pipe passes through the wall thimble.
• Compatible with 3" x 5" CVS Vent Pipe: Designed for use with the DuraVent Concentric Vent System 3" x 5" configuration for proper alignment and secure vent routing.
• Sleek Black Finish: Features a painted black exterior finish that blends with interior and exterior vent installations for a professional appearance.
• Supports Direct Vent Gas Appliances: Ideal for gas fireplaces, furnaces, boilers, and high-efficiency heating appliances requiring dependable vent termination solutions.
• Professional-Grade Vent Accessory: Helps maintain proper vent clearances and supports safe, efficient operation as part of a complete direct vent system.

Specifications

Warranty

• Limited Lifetime Warranty

Documents & Files

• Product Brochure
  
• Concentric Vent System Sale Sheet
  
• Installation Instructions