25% of all pump failures are caused by dry-running. Grundfos CR offers a way to avoid dry-running altogether!
Grundfos LiqTec - a finger on the switch
The only way to prevent the disastrous consequences of dry-running is to have a finger on the switch at all times. The Grundfos LiqTec acts as such a finger by checking at intervals of a fraction of a second to make sure there is liquid in the pump. And if there isn't any liquid, it stops the pump immediately.
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Liquid in the Pump
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No liquid in the pump
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No liquid in the pump
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Liquid in the pump
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