FAQ The Turbine Boss™ needs no batteries or electricity. That's hard to believe. How does it work? Consider the outdoor dial thermometer. On a hot day the dial is pointing near 90° and on a cold day the dial is pointing near 30°. What makes the dial move? It has a thermostatic controller that expands on hot days and contracts on cold days. Thus, the dial is moved by temperature. And like the dial thermometer, The Turbine Boss™ gives you many, many years of trouble-free service.
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