Adjust, Service, Repair or Replace as necessary
Isolate Water and Gas as appropriate
Location:
The Diaphragm is located inside the Change Over Valve. The Change Over Valve is situated at the lower R/H side of the boiler behind the electrical control box.
| Isolate Mains Power to appliance as per TOPs P4 |
Location:
Upon completion of the fault diagnostics carry out final electrical safety tests and checks as per TOPs (C6).
Part Number: GC277557
Refer to ADAPT for further information.
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