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DuraVent DT-L-WT DuraTech Wall Thimble

Regular Price $531.31
Special Price $478.17
Product Options:
Product Overview

DuraVent DT-L-WT DuraTech Wall Thimble provides a premium product for use with the DuraTech chimney system. This wall thimble provides clearance to combustibles and adjusts from a minimum of 4 inches to a maximum of 10 inches of wall thickness. This item installs between two standard wall studs. To accommodate thicker walls, the telescoping pieces can be extended up to 16 inches with a field-fabricated extension installed. This component must be installed with DuraTech chimney pipe horizontally through the wall and extend 6 inches into the room beyond the interior wall.

DuraTech is a double-wall chimney system for use with wood stoves, fireplaces, furnaces, boilers, ranges, water heaters, or other appliances fueled by wood. DuraTech is designed for normal, continuous operation at 1,700 degree flue gas temps. NOTE: Venting components should be installed by a licensed installer in accordance with local codes and within the manufacturer's specified guidelines as noted in your appliance's installation manual.


  • Adjustable - Fits in minimum 4-inch to maximum 10-inch wall thickness
  • Installation - Must be installed with DuraTech chimney pipe horizontally through the wall
  • Interior Wall - Must extend 6-inches into the room beyond the interior wall
More Information
Manufacturer Part NumberDT-L-WT-Config
Made in USANo
About the Manufacturer

With over 50 years of continued success, DuraVent has proven themselves as a technological leader in the venting industry. With 24 available product lines, DuraVent continues to be an industry leader in the HVAC and Hearth markets by offering innovative, safe, and professional products. They live out their quality policy of providing the best in class service and support, cutting edge technology, and a world class delivery system.