Selkirk 8 in. D Galvanized Steel Wall Thimble 208463

Metalbest 8T-IWT Sure-Temp 8" Class A Chimney Pipe Insulated Wall Thimble 8" Class A Chimney Pipe Insulated Wall Thimble from Sure-TempMetalbest's Insulated Wall Thimble installs quickly and eliminates the need for using individual firestops. The round shielding acts as a radiation shield and provides the required two inch air space clearance to co... morembustibles. The two sections telescope to accommodate 6" to 11" of wall thickness.The Sure-Temp Chimney System is designed to meet the needs of today’s high-efficiency Wood Stoves and other appliances burning wood, oil or gas. Components may be combined in a wide variety of ways to solve almost any chimney installation requirement.Features:Materials: Stainless steelClearance: 2" to combustiblesAllowable Flue Gas Temperatures:Maximum Continuous: 1,000 Degrees Fahrenheit / 540 Degrees CelsiusBrief Forced Firing: 1,400 Degrees Fahrenheit / 760 Degrees Celsius (60 min.)Creosote Burn Out: 2,100 Degrees Fahrenheit / 1,150 Degrees Celsius (3 x 10 min.)UL Listed: UL-103-HTWarranty: Lifetime Limited WarrantyOpening Required: 14.125" x 14.125"Telescopes for 6" to 11" wall thickness77954 Wall Thimble Black