$152.14
This allows you to modify from a minimum wall thickness of 4 1/4" to a maximum wall thickness of 7 1/4". The unique triple-wall structure keeps things cool on the outside while creating hot breezes on the inside to increase stove efficiency. Their products are intended to improve safety, ventilation, and appliance efficiency while meeting the requirements of continuous gas ventilation. Features: Triple-wall chimney 2" clearance to combustibles Interior trim ring painted black Use when air-cooled chimney is required Outer diameter is 4" larger than inner diameter For adapters, see DVL and DuraBlack section Free-floating inner 430-alloy liner maintains structural integrity in chimney fires Must be installed with DuraPlus chimney pipe horizontally through the wall and extend a minimum of 2” into the room beyond the interior wall To accommodate thicker walls, the telescoping pieces can be extended up to 16” with a field-fabricated extension installed Adjusts from a minimum of 4 1⁄4” to a maximum of 7 1⁄4” wall thickness, and fits between standard wall studs For uses with wood stoves, fireplaces, furnaces, boilers, stoves, ranges, water heaters, or other appliances fueled by wood, oil, coal, or gas Must be installed with DuraPlus chimney pipe horizontally through the wall and extend a minimum of 2” into the room beyond the interior wall Clean, smooth exterior finish Specifications: Size: 6" Inner Diameter Outer: 14" diameter Length: 17-Inch Depth: 4-Inch Width: 17-Inch Dimensions: 17" x 17" Wall Thickness: 4-3/4" to 7-3/4" Inner Pipe Gauge: 27 Outer Pipe Gauge: 28 Pipe Class: Class A Vent Construction: Triple Wall Weight: 7.7 lbs. Material: Galvalume Use: Ducting and Venting Style: Repair & Replacement Fuel Type: Coal, Gas, Oil, Wood UL Listing Number: UL 103 HT Product Type: Wall Thimble Downloads: DuraPlus Installation DuraPlus Product Catalog-Section Duraplus Woodburning Best Practices DuraPlus Product Brochure .