8" x 8" Duct Trunk Adapter
7 Available At All US Supply Locations

Lukjan Duct Trunk Adapter – Reliable Transition for Efficient HVAC Systems
The Lukjan Duct Trunk Adapter is designed to provide a secure and efficient transition between trunk ducts and branch lines, helping maintain consistent airflow across the system. Built from durable galvanized steel, this adapter supports both residential and commercial HVAC applications, delivering long service life and dependable performance.
Why Select the Lukjan Duct Trunk Adapter?
Contractors rely on properly engineered fittings to ensure duct systems operate at maximum efficiency. The Lukjan adapter is precision-formed for a tight fit, reducing air leakage and promoting balanced distribution throughout the system. Its rugged build makes it a reliable choice for new installations as well as retrofit work.
- Optimized Airflow Transition – Designed to minimize turbulence and support efficient air delivery.
- Heavy-Duty Construction – Fabricated from 28-gauge galvanized steel for corrosion resistance and durability.
- Ease of Integration – Sized for compatibility with standard duct runs, simplifying installation.
- Code-Compliant Design – Meets industry requirements for HVAC duct fittings and transitions.
Technical Specifications
- Dimensions: 8" x 8"
- Material: 28-gauge galvanized steel
- Connection Type: S-cleat and drive connections (cleats sold separately)
- Application: Residential and light commercial duct systems
Installation Guidance
Installation should be performed using standard sheet metal tools and fasteners. For best results, apply duct sealant or approved tape at all joints to minimize leakage and comply with mechanical code requirements. While straightforward for experienced installers, care should be taken to ensure square alignment and proper fastening to avoid airflow loss.
Professional Use
For Contractors: The Lukjan Duct Trunk Adapter is built for demanding job sites, providing strength and reliability that reduce callbacks and service issues. It integrates seamlessly into trunk and branch layouts, improving system balance and efficiency.
For Service and Retrofit: This adapter can be easily fitted during upgrades or replacements, making it a versatile part for HVAC professionals managing system modifications.
Key Features
- Galvanized Steel Fabrication – Ensures long-lasting resistance to corrosion.
- Standard Dimensions – Compatible with common duct sizes for quick use on-site.
- Leak-Reduction Design – Supports tight seals when properly installed.
- Versatile Application – Suitable for both residential and commercial HVAC systems.
The Lukjan Duct Trunk Adapter provides contractors with a dependable solution for duct transitions, ensuring systems perform to specification with durability and efficiency built in.
Specifications
| Weight | 0.500000 |
|---|---|
| Length (inches) | 12 |
| Width (inches) | 9 |
| Item Type | HVAC Duct |
| Brand | Lukjan |
| MPN | DX800808 |
| Sub Type | Duct Adapter |
| Height (inches) | 9 |
| Shape | Rectangular |
| Item Returns | This item can be returned |
