Dry running protection 22097740 https://www.kaercher.com/my/accessory/dry-running-protection-22097740.html

Dry running protection

To protect the high-pressure pump in the case of defective or fluctuating water supply.

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The dry running protection detects a shortage of water in the float tank and switches off the pump. The pump is thus prevented from running dry and becoming damaged. The dry running protection is recommended especially in cases where a constant water supply is not guaranteed or fluctuations are expected.