SMS Hybrid Fan Controller 4amp/8amp/16amp The Hybrid Controller combines mechanical fan speed operation with the latest digital temperature sensing technology. The result is a completely silent, twin fan speed controller with highly accurate temperature control. The Hybrid Controller has a 5m NTC temperature sensor, allowing the unit to be positioned in any convenient location.The mechanical aspect guarantees a robust and heavy duty controller with completely silent fan speed operation. The on-board temperature control software provides faster reaction times, lower idling speeds and improved accuracy for the very best result from this type of controller. The Hybrid Controller is very easy to operate. Just connect your fans and position the probe inside the room. Next, set the lowest speed for both fans and the required temperature. The controller will now maintain your temperature by automatically adjusting the fans between the controller's lowest and highest settings. Completely silent fan speed operation Zero humming from extractors Highly accurate temperature control Automatic and Manual settings Easy to operate 5 meter NTC Temperature Sensor 5 Step fan speed control. 5 Year warranty

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