12 Inch DuraTech Stainless Steel Wall Thimble

(No reviews yet) Write a Review
Ships 1-2 Weeks
  • DuraTech Stainless Steel Wall Thimble 12"
  • DuraTech Wall Thimble Size
  • DuraTech Wall Thimble Sizing Chart
Frequently bought together:


A high-quality product for use with the DuraTech chimney system is provided. This wall thimble adjusts from a minimum of 4 inches to a maximum of 10 inches of wall thickness and offers space for combustibles. Installing this component requires two ordinary wall studs. The telescoping parts may be extended up to 16 inches with a field-fabricated extension inserted to accommodate thicker walls. DuraTech chimney pipe must be used to install this component, and it must extend 6 inches into the room beyond the inside wall.

Product Features:

  • 2" clearance to combustibles
  • c-UL-us Listed to UL 103 and ULC S604 (MH7399)
  • Interior trim painted black
  • Fits between standard wall studs
  • Extends 6" into the room beyond the interior wall
  • Adjusts from minimum of 4" to maximum of 10" wall thickness
  • Must be installed with DuraTech chimney pipe horizontally through wall

Product Specifications:

 Size:  12" Inner Diameter
 Outer:  22" diameter
 Length:  10, 4 Inch
 Height:  20-Inch
 Width:  20-Inch
 Interior Trim:  22" x 22"
 Exterior Trim:  20" x 20"
 Adjustable from:
 4" to 10" Wall Thickness
 Inner Pipe Gauge:  23
 Outer Pipe Gauge:  24
 Weight:  13.7 lbs.
 Material:  Stainless Steel
 Fuel Type:
 Coal, Gas, Oil, Wood
 UL Listing Number:  UL 103
 Product Type:  Wall Thimble

PDF Downloads Downloads:

View AllClose

Warranty Information

DuraVent, Inc. (“DuraVent”) provides this limited lifetime warranty for all of its products with the exception of Ventinox® (lifetime), and PolyPro® (ten years). Subject to the limitations set forth below, DuraVent warrants that its products will be free from defects in material or manufacturing, if properly installed, maintained and used.

DuraVent products are fully warranted if installed only by a professional installer. This Warranty is transferable from the original homeowner to the buyer of the home.

This warranty does not cover normal wear and tear, smoke damage or damage caused by chimney fires, acts of God, or any product that was:

(1) purchased other than from an authorized DuraVent dealer, retailer or distributor;

(2) modified or altered;

(3) improperly serviced, inspected or cleaned; or (4) subject to negligence or any use not in accordance with the installation instructions included with the product as determined by DuraVent.

This limited lifetime warranty applies only to parts manufactured by DuraVent.

View AllClose
Scroll to Top