16" x 10" Trunk End Cap

Lukjan Duct End Cap – Reliable Closure for HVAC Duct Systems

The Lukjan Duct End Cap is designed to provide a secure seal at the termination point of rectangular duct runs. Built for long-term performance, it prevents air leakage and ensures that supply and return systems maintain proper pressure and airflow balance in both residential and light commercial HVAC applications.

Why This Component Matters

End caps are essential for efficiency and system reliability. This Lukjan fitting is manufactured from galvanized steel and fabricated for a tight slip-and-drive connection. By eliminating open duct ends, it supports consistent air distribution while reducing energy loss.

Key Benefits

• Durable Fabrication: Heavy-gauge galvanized steel construction ensures strength and corrosion resistance.
• Leak Prevention: Creates a sealed end to reduce energy loss and maintain system efficiency.
• Standardized Fit: Sized for integration with rectangular duct sections using slip-and-drive connections.
• Versatility: Suitable for residential, commercial, and retrofit HVAC projects.

Technical Specifications

• Material: Galvanized steel
• Nominal Size: 16 inches x 10 inches
• Connection Type: Slip and drive
• Application: Duct termination and sealing

Installation Notes

Installation is straightforward with slip-and-drive fittings, but proper sealing with mastic or UL-listed foil tape is recommended to ensure airtight performance. While manageable for experienced installers, using a licensed HVAC contractor guarantees compliance with code and avoids performance issues.

Contractor Insights

For Professionals: This duct end cap is a dependable closure that meets jobsite demands. It installs quickly, holds tight under system pressure, and minimizes callbacks by reducing leakage risk.

For System Expansions: Ideal for upgrades, repairs, or sealing unused trunks, ensuring that the duct system maintains efficiency without unnecessary air loss.

Summary

The Lukjan Duct End Cap offers a rugged, code-ready solution for sealing the end of duct runs. With its galvanized steel construction, precise sizing, and slip-and-drive connection, it is a reliable choice for HVAC contractors who demand both durability and performance.