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Free Delivery on All Orders Over $75 - Curbside Delivery in 7-10 Days

DuraVent DuraBlack Increaser

SKU 5DBK-X6
Original price $64.47 - Original price $242.35
Original price
$64.47
$64.47 - $242.35
Current price $64.47

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DuraVent DuraBlack Increaser

The DuraVent DuraBlack Increaser provides a reliable solution for transitioning from smaller appliance flue outlets to larger chimney or stovepipe diameters, ensuring efficient and safe venting.


Key Features

  • Versatile Sizing: Available in sizes ranging from 5”-6” to 8”-10” to suit various setups.
  • Secure Connection: Designed to provide a tight, leak-free fit between appliances and venting systems.
  • Durable Construction: Made with high-quality materials for long-lasting performance.
  • Wide Compatibility: Compatible with most single-wall stovepipes and chimney systems.
  • Easy Installation: Simplifies transitions without the need for additional adapters.

Product Features

  • Flexible Applications: Perfect for use with wood stoves, fireplaces, and other hearth appliances.
  • High Heat Resistance: Built to handle the high temperatures generated by wood-burning appliances.
  • Professional Finish: Features a sleek black exterior to blend seamlessly with venting systems.
  • Standardized Dimensions: Precision-engineered for optimal performance and safety.
  • Enhanced Safety: Eliminates gaps to maintain proper draft and prevent leaks.

Product Specifications

Available Sizes

Specification Details
Brand DuraVent
Model DuraBlack Increaser
Material High-quality black steel
Sizes 5”-6”, 6”-7”, 7”-8”, 8”-10”
Part Numbers 5DBK-X6, 6DBK-X7, 7DBK-X8, 8DBK-X10
Stock Numbers 810000969, 810000987, 810001006, 810001022
Length (A) 6 1⁄8” (5”), 7 1⁄8” (6”), 8 1⁄8” (7”), 10 1⁄8” (8”)
Diameter (B) 5”, 6”, 8”, 9”
Certifications UL Listed
Warranty Limited Manufacturer’s Warranty
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