Why anti-freezing protection is important for VFD pump inverter?

In many countries, during wintertime, the ambient temperature will go below 2 degrees C, and the water will turn into ice and might damage the pump end, piping, and the in-line type VFD / VSD Constant Pressure Booster Pump Inverter. With the anti-freezing protection function of VFD / VSD Constant Pressure Booster Pump Inverter, the device will force the pump to operate when the ambient temperature is below the set point to prevent water from becoming ice and cause the damage. 


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VIFIDI Bullet VFD variable speed booster pump inverter