7" Metal Top Takeoff, Non-Adjustable
39 Available At All US Supply Locations

Lukjan Non-Adjustable Takeoff – 7" Round with Rectangular Base for Secure Duct Connections
The Lukjan Non-Adjustable Takeoff provides a dependable solution for connecting branch ducts to main trunks in HVAC systems. Built with a 7-inch round collar and a rectangular base, this takeoff ensures solid attachment and reliable airflow distribution for both residential and light commercial projects.
Key Features
- Heavy-Gauge Construction: Manufactured from galvanized steel for long-lasting strength and resistance to corrosion.
- 7" Round Collar: Standard size for compatibility with common duct runs.
- Rectangular Base: Measures 7" x 8", allowing for stable installation on duct surfaces.
- 1-1/4" Rise: Provides a secure collar height for proper fitting and sealing.
- Efficient Airflow: Non-adjustable design reduces turbulence and maintains consistent system performance.
Technical Specifications
- Collar Diameter: 7 inches
- Base Dimensions: 7" x 8" rectangular
- Rise: 1-1/4 inches
- Material: Galvanized steel
Installation Notes
Installation requires proper cutting of the duct trunk and secure fastening of the base. Sealant or approved tape should be applied at the collar connection to ensure an airtight joint. While this takeoff is straightforward to install, professional handling is recommended to maintain system efficiency and compliance with local HVAC codes.
Application Guidance
For Contractors: This non-adjustable takeoff is engineered for fast, repeatable installs in both new construction and retrofit jobs. Its rigid design holds up under job site demands, minimizing callbacks and ensuring code-compliant results.
For Service Work: The fixed-angle construction provides consistent performance where adjustability is not required, making it a practical solution for controlled airflow setups.
Summary
The Lukjan 7" Non-Adjustable Takeoff combines galvanized steel durability, a 7" round collar, and a stable rectangular base to deliver reliable performance in ductwork installations. Ideal for contractors seeking efficiency and system integrity, this component is a trusted choice for professional-grade HVAC work.
Specifications
| Weight | 0.500000 |
|---|---|
| Length (inches) | 14 |
| Width (inches) | 9 |
| Height (inches) | 9 |
| Item Type | HVAC Duct |
| Brand | Lukjan |
| Inclusions/Features | Done |
| Manufacturer | Lukjan Metal Products |
| MPN | TO5107 |
| Sub Type | Non Adjustable Duct Takeoff |
| Damper Size | 7 in |
| Material | Metal |
| Item Returns | This item can be returned |
