This variable control lets you manually adjust the fan speed for exhaust and circulation fans in your greenhouse from 30% to 100% of output capacity (Minimum output depends on fan). It also has the ability to turn a fan on and off. Controller comes in weather proof electrical enclosures with watertight cover. This controller is very helpful in the winter when less ventilation is necessary and too much cold air flow at once from outside can cause temperature shock to nearby plants. Only use with fans approved for variable speed operation (includes all 20" and smaller ACF variable speed exhaust and circulation fans). Operates on 110/120 voltage up to 5 amps.
- Fan speed range: 30% to 100%
- Can handle 5 full load amps @120V
- For use with our variable speed fans 20" and smaller
- Weatherproof enclosure
- Comes prewired with an 8' grounded plug in power cord
Fan Speed Control Instruction Manual
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