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

Location:
Located in the Primary heat exchanger flow and return header on the right hand side and is the forward most of the sensors connected with white leads
Upon completion of the fault diagnostics carry out final electrical safety tests and checks as per TOPs (C6).
Part Number: GCE83485


Refer to ADAPT for further information.

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