8" x 12" Double Wall with Scratch Selkirk - Clearance

Selkirk Double Wall 8"x12"Slightly Scratched. Sold as is, non-returnable. One available. Selkirk Double Wall Black Pipe is most commonly used as interior connector pipe. The 8" diameter is the inner diameter measurement. For installed lengths, remember to subtract 1-3/8" per joint. Minimum clearance to combustibles is 8". The maximum recommended length of double wall black stove pipe shouldn't exceed 20 feet per the installation instructions. The orientation of all chimney connector components must be with the crimped end pointing up towards the chimney. Inner pipe, orient with crimped end pointing down into the appliance flue outlet. Listed and Tested to ULC Standard S-641 and UL-103 standards.