National Chimney Offset Insert Adapter | 6-Inch

The National Chimney 6-Inch Offset Insert Adapter, a reliable chimney offset adapter designed for wood stoves and fireplace insert installations. Engineered to improve alignment between the appliance and chimney liner, this 6-inch offset chimney adapter provides a clean, efficient venting solution while maintaining optimal draft performance and safety.

Featuring a durable sliding two-piece design, this wood stove insert adapter allows flexible venting adjustments without the need for additional elbows, simplifying installation in tight or misaligned setups. Ideal for chimney relining and insert venting systems, it ensures a secure, precise connection for long-lasting performance. The National Chimney offset insert adapter delivers dependable airflow control and professional-grade reliability for modern heating applications.

Features

• Adjustable 6-Inch Chimney Offset Insert Adapter – Provides a flexible 0” to 9” offset range, making this chimney insert adapter ideal for tight or misaligned wood stove and fireplace insert installations.
• Durable 304 Stainless Steel Construction – Built from heavy-duty 24-gauge 304 stainless steel, ensuring long-lasting strength, corrosion resistance, and reliable performance in chimney venting systems.
• Sliding Two-Piece Offset Design – Features a two-piece sliding construction that allows precise horizontal adjustment without requiring additional elbow fittings, simplifying chimney liner installation.
• Versatile Chimney Liner Compatibility – Designed to connect with OD flex liners, rigid chimney pipe, and ID pipe systems, offering broad compatibility for wood stove chimney venting setups.
• Secure and Stable Connection System – Installs easily using standard screws or rivets, ensuring a tight, professional-grade fit for chimney relining and insert adapter applications.
• Horizontal Vent Positioning Flexibility – Allows both front-to-back and side-to-side adjustment for optimal alignment in challenging chimney configurations.
• CSIA Certified Chimney Adapter – Approved by the Chimney Safety Institute of America (CSIA) for safe and compliant installation in residential heating systems.
• Fast and Simple Installation Process – Designed for easy mounting using standard fasteners, reducing installation time and improving efficiency for contractors and homeowners.
• Ideal for Tight Chimney Installations – Eliminates the need for elbows, making it a perfect 6-inch offset chimney adapter for confined spaces.
• Professional-Grade Chimney Venting Solution – Ensures stable airflow, improved draft alignment, and reliable performance for wood stoves and fireplace inserts.

Specifications

Warranty

• Limited Lifetime Warranty