Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
Remove the burner door assembly
Observation:
Inspect the primary heat exchanger flueways for any restrictions or blockages.
Note:
Before the combustion chamber door is refitted and the appliance left in operation the burner door gasket MUST be replaced and new seal nuts used.
Note:
Before the combustion chamber door is refitted and the appliance left in operation the burner door gasket MUST be replaced and new seal nuts used.
Isolate as per TOPs P4
and refit as necessary