maintenance guide
37
Hydraulic Unit
Right hand hydraulic block assembly
1
2
3
5
4
6
7
8
9
11
12
13
14
10
Legend:
1. Diverter valve motor
2. Diverter valve
3. Auto air vent
4. Primary water pressure switch
5. Pump
6. Central heating lter
7. Non return valve
8. Non return valve assembly
9. DHW ow switch assembly
10. Drain valve
11. Central heating return
12. Domestic cold water intlet
13. Domestic hot water outlet
14. Central heating ow
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