9" x 6" Smoke Pipe Duct Increaser/Reducer, Tapered, 26GA
14 Available At All US Supply Locations

Reliable Airflow Transitions – 9" x 6" Smoke Pipe Duct Increaser/Reducer
The 9" x 6" Smoke Pipe Duct Increaser/Reducer is engineered to provide secure and efficient transitions between duct sizes. Built for professional HVAC installations, this fitting maintains airflow performance while ensuring a proper mechanical connection in both residential and commercial systems.
Manufactured from heavy-duty galvanized steel, the increaser/reducer delivers the strength required to withstand daily system demands. Its precision-formed taper allows smooth airflow with minimal resistance, reducing static pressure losses and supporting overall system efficiency.
Professional Advantages
- Accurate Transitions: Provides seamless connection between 9" and 6" ducts for balanced airflow.
- Heavy-Duty Steel: Fabricated from 26-gauge galvanized steel for long-term durability.
- Protective Coating: G-30 lock-forming quality coating per ASTM-A653 CS Type B for corrosion resistance.
- Standard Compatibility: Sized to integrate with common HVAC duct configurations.
- Field-Proven Performance: Manufactured to meet professional job site requirements.
Technical Specifications
- Material: Galvanized 26-gauge steel
- Transition Size: 9" diameter to 6" diameter
- Coating: G-30 lock-forming quality per ASTM-A653
- Application: HVAC supply and return duct systems
Installation Notes
For best results, installation should be performed by a licensed HVAC professional. Proper sealing with approved duct sealant or tape is recommended to eliminate air leakage and preserve system efficiency. Contractors should ensure compliance with local codes and confirm that the increaser/reducer is mechanically fastened at all connections.
For Contractors
This transition fitting is built to handle the demands of daily field use. Its consistent manufacturing and durable steel construction minimize rework, saving time on installations. Stocking standard sizes like this 9" x 6" increaser/reducer ensures readiness for a wide range of projects.
For Maintenance and Retrofit Applications
In retrofit or service work, this increaser/reducer provides an efficient solution when existing duct sizes must be adapted. Proper installation maintains airflow distribution, avoids unnecessary static pressure buildup, and extends system reliability.
Key Features
- Precision Fit: Engineered taper ensures secure connections with minimal air loss.
- Durability: Corrosion-resistant galvanized steel extends service life.
- Versatility: Suitable for residential and commercial HVAC installations.
- Professional Standard: Manufactured to meet industry-grade performance requirements.
The 9" x 6" Smoke Pipe Duct Increaser/Reducer provides a reliable, professional-grade transition fitting that enhances airflow and system efficiency. Designed for contractors, it delivers both strength and performance for long-lasting HVAC solutions.
Specifications
| Weight | 0.500000 |
|---|---|
| Length (inches) | 9 |
| Width (inches) | 9 |
| Item Type | HVAC Duct |
| Brand | Lukjan |
| MPN | RX410906 |
| Sub Type | Tapered Reducer |
| Height (inches) | 6 |
| Item Returns | This item can be returned |
