Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Observation:
Inspect/verify combustion circuit seals are intact and not leaking products of combustion, an FGA will be required to confirm the integrity of all seals.
Burner gasket seal
Sump seal
Flue interface seals
Spark electrode gasket
Condensate connections/seals