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maintenance guide
3.9 LEFT HAND HYDRAULIC BLOCK ASSEMBLY
1. DHW temperature sensor 4. Safety valve
2. Left hand hydraulic block 5. Central heating flow
3. By-pass assembly 6. Domestic hot water outlet
1. Left hand hydraulic block
2. Safety valve & By-pass assembly
3. Central heating flow
CLAS 24/30 FF
CLAS SYSTEM 21/28 FF
Left hand hydraulic block assembly