7" Adhesive Top Takeoff

Lukjan Adhesive Top Takeoff – Series 39AT, 7 Inch

The Lukjan Series 39AT Adhesive Top Takeoff provides a secure and efficient transition point from main ductwork to branch lines. Designed for use with duct board systems, this 7-inch takeoff incorporates an adhesive flange that simplifies installation while ensuring an air-tight connection for reliable airflow performance.

Key Advantages

• Adhesive Flange Design – Eliminates the need for mechanical fasteners in duct board applications, saving time on installations.
• Air-Tite Performance – Reduces leakage at the connection point, helping maintain system efficiency and balanced airflow.
• Durable Construction – Manufactured to withstand job site conditions and provide consistent long-term performance.
• Professional Fit – Sized precisely for standard 7-inch duct connections to maintain proper system design.

Technical Specifications

• Series: 39AT
• Type: Adhesive Top Takeoff
• Diameter: 7 inches
• Application: Duct board to branch duct connections

Installation Notes

The 39AT adhesive flange design allows the takeoff to be mounted directly onto duct board. For best results, ensure the surface is clean before applying adhesive and apply firm pressure to achieve a complete seal. UL-approved tape or mastic may be used at the seams to meet local code requirements. Professional installation is recommended for compliance and performance assurance.

Contractor Guidance

For HVAC Professionals: This takeoff provides a labor-saving alternative to traditional sheet metal connections while maintaining system integrity. Its Air-Tite design minimizes callbacks and supports efficient system balancing.

For Skilled Installers: While installation is straightforward, precise placement and sealing are critical to prevent air leakage. Always follow duct board installation standards for best performance.

Summary

The Lukjan Series 39AT 7-inch Adhesive Top Takeoff delivers a contractor-grade solution for duct board transitions. With its adhesive flange, durable build, and reliable air-tight performance, it ensures efficient airflow and long-term dependability in HVAC systems.