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12-Inch Mill Galvanized Turbine & Base
- Mfg.#
- GT12
- Sku#
- 256628
- Permanently lubricated upper and lower ball bearings that ensure long life and no maintenance
- Riveted at every connection
- 21 air foil curved vanes with rolled vane edges to deflect water
- Large flashing for easy installation
- Tested to withstand winds of 110 mph
* Estimated stock levels as of Fri, Apr 3, 2026. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.
Description
All LOMANCO Whirlybird turbines come with a lifetime transferable warranty. Simply put, you can't buy a better turbine. The turbine design features permanently lubricated upper and lower ball bearings that ensure long life and no maintenance. Other common features of the turbine are its rigid spider-type construction riveted at every connection and tested to withstand winds of 110 mph, 21 air-foil curved vanes with rolled edges to deflect water and 100% rust-free all-aluminum construction. The Whirlybird turbine's large flashing makes installation easy. The Whirlybird turbine's exclusive vari-pitch base adjusts to a 12/12 roof pitch for use on many roof applications. When installed properly, the Whirlybird turbine reduces energy bills and the likelihood of winter ice buildup.
Specifications
General
| Air Flow Rate | 110 mph |
|---|---|
| Base Size | 20 x 20 in |
| Bracing | Internal |
| Color | Silver |
| Material | Steel |
| Roof Pitch | 7/12 |
| Type | Turbine Vent |
Dimensions
| Height | 15-3/4 in |
|---|---|
| Throat Diameter | 12 in |
Manufacturing Details
The following information is subject to change without notice
| Manufacturer Warranty | Lifetime Transferable |
|---|
Label Information
| Certification, Codes, Standards | Miami Dade County/TDI Approved |
|---|
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