7 Inch DuraPlus Stainless Steel Wall Thimble

Its innovative triple-wall construction keeps things cool on the outside while creating hot winds within to boost stove efficiency. This has a thickness range of 4 to 7 inches and fits between standard wall studs. This UL-listed product comes with a limited lifetime warranty. This results in a fire-resistant structure that protects the chimney and the building. These triple-wall chimneys feature two degrees of insulation.

Features:

• Triple-wall chimney
• Clean, smooth exterior finish
• 2" clearance to combustibles
• Interior trim ring painted black
• Use when air-cooled chimney is required
• For adapters, see DVL and DuraBlack section
• Outer diameter is 4" larger than inner diameter
• Adjusts from a minimum of 4 1⁄4” to a maximum of 7 1⁄4” wall thickness, and fits between standard wall studs
• To accommodate thicker walls, the telescoping pieces can be extended up to 16” with a field-fabricated extension installed
• Must be installed with DuraPlus chimney pipe horizontally through the wall and extend a minimum of 2” into the room beyond the interior wall
• Free-floating inner 430-alloy liner maintains structural integrity in chimney fires
• For uses with wood stoves, fireplaces, furnaces, boilers, stoves, ranges, water heaters, or other appliances fueled by wood, oil, coal, or gas

Specifications:

Downloads:

• DuraPlus Installation
• DuraPlus Product Catalog-Section
• Duraplus Woodburning Best Practices
• DuraPlus Product Brochure