To Know How - GROHE

Single-hole basin mixer 21 375
Maintenance instructions
Shut off hot and cold water supply!
Please perform disassembly in specified order. Assemble in reverse order.
Diverter for bath mixer:
1. Remove wall plate.
2. Disassemble diverter knob.
3. Unscrew and remove headpart (13mm WAF).
4. Remove locking washer from diverter spindle.
5. Unscrew outlet connection nipple and remove diverter
spindle downwards.
21 375
Pos. Description Ref.-No.
1 Headpart 1/2" 11090
1.1 Costa metal handle 1/2" 45258
1.1.1 Repl. kit f.handle fastening 05386
1.2 Headpart 1/2" 07146
1.2.1 O-ring ø6 x ø2 01283
1.2.2 O-ring ø18.2 x ø1.7 03924
1.2.3 Ball seal dia. 9x6.8 mm 05291
1.2.4 Fixing nut 05292
2 Headpart 1/2" 11091
2.1 Costa metal handle 1/2" 45259 *
2.1.1 Repl. kit f. fastening 45331 *
2.1.1.1 Repl. kit f.handle fastening 05386
2.2 Headpart 1/2" 07146
Z 26
Pos. Description Ref.-No.
2.2.1 O-ring ø6 x ø2 01283
2.2.2 O-ring ø18.2 x ø1.7 03924
2.2.3 Ball seal dia. 9x6.8 mm 05291
2.2.4 Fixing nut 05292
3 Swivel tube spout 13072
3.1 Mousseur 13928
3.2 O-ring dia. 12x2 mm 01280
4 Escutcheon 45217
5 Shank fastening assembly 46249
6 Pop-up rod 08428
7 Pop-up waste set 1 1/4" 28910
7.1 Plug for pop-up waste set 07182
7.2 Ball rod 07052