Adjust, Service, Repair or Replace as necessary
Isolate Mains Power to appliance as per TOPs P4
Isolate Water and Gas as appropriate

Location:
Running from the PCB connector X4 to the DHW and CH sensors.
Upon completion of the fault diagnostics carry out final electrical safety tests and checks as per TOPs (C6).
Part Number: 728069


Refer to ADAPT for further information.

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