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To Know How - GROHE

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DAL-Automatic flush valve for WC 37 139<br />

Problem Cause Remedy Picture<br />

Continuous • Nozzle blocked • Clean • 3<br />

running /<br />

persistent low<br />

• Seal at the relief seal dirty or damaged • Replace • 1<br />

water flow • Piston seal defective • Replace • 5<br />

No flushing or<br />

flushing too<br />

short<br />

• Leather seal dry • Expand • 4<br />

• Leather seal damaged • Replace • 5<br />

• Nozzle enlarged • Replace • 1<br />

D 48

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