The DuraVent DBK-Xx DuraBlack Increaser provides a premium product for use with the DuraBlack chimney system. Use this component to increase from a smaller appliance flue outlet to a larger diameter chimney or stovepipe. DuraBlack offers an economical, drip free, single-wall stovepipe. Built to DuraVent's high standards, DuraBlack is constructed with die-formed end fittings. Adjustable pipe lengths also eliminate the need for cutting and crimping. Available in 24-gauge lock-seam, 22-guage stainless steel and heavy-duty 22-guage welded seam, DuraBlack offers a durable venting option for the home. Features Perfect for Wood Stove Venting Systems: Ideal for wood-burning stoves, fireplaces, and solid-fuel heating appliances that require a larger diameter chimney connection for proper draft performance. Smooth Diameter Transition: Increases from a smaller appliance flue outlet to a larger chimney or stove pipe, helping maintain efficient airflow and consistent exhaust performance. Reliable Single-Wall Chimney Connector: Designed for use with the DuraBlack single-wall stovepipe system, providing a dependable, drip-free connection between appliance and chimney. High-Quality DuraVent Construction: Manufactured to DuraVent’s exacting standards with precision die-formed end fittings for strength, durability, and a secure fit. Compatible with DuraVent Chimney Systems: Works with approved DuraVent venting products, including DuraTech, DuraTech Canada, DuraPlus, and DuraTech Premium chimney systems. Easy Professional Installation: Provides a simple, code-compliant solution for adapting stove pipe diameters without compromising chimney system performance. Specifications Model Dimensions 5DBK-X6 6.125" (A) × 5" (B) × 7" Height 6DBK-X7 7.125" (A) × 6" (B) × 7" Height 7DBK-X8 8.125" (A) × 7" (B) × 7" Height 8DBK-X10 10.125" (A) × 8" (B) × 7" Height 9DBK-X10 10.125" (A) × 9" (B) × 7" Height Applications Single-Wall Interior Stovepipe for connecting wood stoves to manufactured chimney systems Warranty Limited Lifetime Warranty Downloads Product Catalog Installation Manual
