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Fig.100
Replacing three-way valve
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10.3.5
Replacing the three-way valve
Replace the three-way valve if it is faulty. To do this, proceed as follows:
1. Shut off the water supply.
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2. Drain the boiler.
3. Remove the air vent hose above the siphon.
4. Remove the siphon.
5. Remove the clip holding the return pipe to the heat exchanger.
6. Unscrew the gland holding the return hose in place on the right-hand
section of the hydroblock.
7. Remove the return pipe.
8. Unplug the actuator.
9. Remove the clip holding the actuator in place.
10. Remove the actuator.
11. Unscrew the three-way valve from the hydroblock.
12. Reassemble in the reverse order.
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AD-0001224-04
10 Maintenance
AMC
107
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