47
maintenance guide
Hydraulic Unit
3.1 RIGHT HAND HYDRAULIC BLOCK ASSEMBLY
LEGEND
1. Diverter valve motor
2. Diverter valve
3. Auto air vent
4. Primary water pressure switch
5. Pump
6. Central heating filter
7. Not applicable in UK
8. Non-return valve
9. Non-return valve assembly
10. DHW flow switch assembly
11. Central heating return
12. Cold water inlet (DHW)
13. Central heating drain valve
LEGEND
1. Auto air vent
2. Primary water pressure switch
3. Pump
4. Central heating filter
5. Central heating return
6. Central heating drain valve
CLAS 24/30 FF
CLAS SYSTEM 21/28 FF
Right hand hydraulic block assembly
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