Lomanco GT-12 Galvanized Turbines
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- 12-inch galvanized turbine fits any 7/12 roof pitch
- Ideal for residential or light commercial use
- Constructed with .025-inch stamped galvanized steel
- Internally and externally braced; permanently lubricated ball bearings
- Lifetime warranty
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Permanently lubricated ball bearings that ensures long life and no maintenance; fits roof pitch up to 7/12 pitch; easy installation and reduces winter ice breakup. Turbines are exhaust vents. 0.015" stamped galvanized steel. Features 20" x 20" base and 15-3/4" height.
The Lomanco 12-inch galvanized turbine fits any 7/12 roof pitch, meaning any roof that rises 7 inches for every 12 inches it runs. Constructed with .025-inch stamped galvanized steel, this exhaust vent is available internally and externally braced. It features permanently lubricated ball bearings. Ideal for residential or light commercial use, this galvanized turbine comes with a lifetime warranty.
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The other reason for the one star review is the turbine itself. In the same light winds (about 5 to 10 MPH), my existing Evanco turbine spins beautifully, but the new Lomanco barely budged. The Lomanco is out-of-round and could not be straightened. The center axle was not even centered in the plastic bearing very well. Overall, this turbine has been such a disappointment that I will probably just put the old one back up and live with noise, at least it's spinning!
We do not have AC in our home and during the summer months here in N.CA, the house gets warm during the day and remains warm > 82 degrees till about 10 pm.
After installing these (I bought 2), the house remains a consistent 70~72 degrees or cooler. My only regret is not buying the aluminum version (lighter?=faster?) but these work very well and are very quiet.