8" 90 Degree Round-to-Oval Boot

Lukjan Round to Oval Boot – Reliable Transition for HVAC Duct Systems

The Lukjan Round to Oval Boot provides a precise and durable transition between round and oval ductwork, ensuring proper airflow in both residential and commercial HVAC installations. Built from galvanized steel, this boot is engineered for long-term performance and accurate fit, helping contractors streamline system layout without compromising efficiency.

Why Use the Lukjan Round to Oval Boot?

In duct system design, maintaining airflow integrity is essential. The Lukjan boot minimizes turbulence at the transition point while providing a stable connection between dissimilar duct shapes. It is manufactured to industry-standard dimensions, making it compatible with a wide range of system configurations.

Key Features

• Galvanized Steel Construction: Corrosion-resistant and durable for long service life in HVAC applications.
• Precision Formed: Factory-built for consistent sizing and secure fit with standard round and oval duct sizes.
• Efficient Airflow: Transition design reduces pressure drop and maintains system balance.
• Job-Site Ready: Designed for straightforward field installation using sheet metal screws, rivets, or sealants as required.
• Application Versatility: Suitable for heating, cooling, and ventilation duct systems in residential and commercial projects.

Technical Specifications

• Inlet: 8-inch round
• Outlet: 3-1/4 inch x 10-1/2 inch oval
• Height: 9 inches
• Material: 26-gauge galvanized steel
• Use: Standard pressure HVAC duct applications

Installation Considerations

For best performance, the boot should be sealed at all connections with appropriate mastic or UL-181 listed foil tape to prevent leakage. Fastening is recommended with sheet metal screws or rivets. Professional installation is advised to ensure compliance with local mechanical codes and proper system balancing.

Contractor Notes

For HVAC Professionals: This boot offers a consistent and code-compliant solution for transitions. Its sturdy construction supports reliable long-term service, reducing callbacks and ensuring system efficiency.

For Maintenance Teams: Ideal for retrofit work where existing duct systems require adaptation. The factory-made transition eliminates the need for custom fabrication on-site, saving labor time.

Summary

The Lukjan Round to Oval Boot is a dependable, job-ready component designed for precise duct transitions. With its galvanized steel build, industry-standard dimensions, and ease of installation, it delivers the strength and efficiency professionals expect on every project.