Rectangular Dampers
Rectangular Control and Manual Balancing Dampers
Aluminum 3-V, Aluminum Airfoil, Steel 3-V, Steel Airfoil, Thermally Efficient
TB-155, TB-156
Alum. Rectangular, Thermally Efficient, Insulated Airfoil Blade Damper
![Alum. Rectangular, Thermally Efficient, Insulated Airfoil Blade Damper](https://unitedenertech.com/images/product-photos/_productThumb/TB-155-156.png)
Product Overview
Model TB-155 (Opposed Blade) or TB-156 (Parallel Blade) Ultra low leakage extruded rectangular, eliminates transfer of high heat or low cold penetration and reduces condensation.