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To Know How - GROHE

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Thermostat 19 656<br />

Maintenance instructions<br />

Shut off hot and cold water supply!<br />

Please perform disassembly in specified order. Assemble in reverse order.<br />

Thermo-element:<br />

1. Remove screw and pull off thermostat knob.<br />

2. Pull off flow control knop.<br />

3. Remove screws and wall plate.<br />

4. Remove adjusting nut.<br />

5. Pull off stop ring.<br />

6. With a 24mm open-ended spanner, unscrew and<br />

remove thermoelement.<br />

Non-return valve:<br />

1. Proceed as for maintenance of thermoelement, points<br />

1 - 3.<br />

2. Unscrew and remove non-return valve with 17mm<br />

socket wrench.<br />

Headpart:<br />

1. Proceed as for maintenance of thermoelement,<br />

points 1 - 3.<br />

2. Unscrew and remove sleeve.<br />

3. With a 17mm open-ended spanner, unscrew and<br />

remove ceramic headpart.<br />

Readjustment is necessary after each maintenance operation<br />

on the thermostatic cartridge (s. page T 38).<br />

T 8

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