Isolate Mains Power to appliance as per TOPs P4
Measurement:
Check the condition of the boiler's inner combustion chamber seals.
Areas to check should include:
Above the heat exchanger near the flue outlet.
The inner combustion chamber door.
The sight glass and electrode assembly.
The lower sump connection.
The condensate trap.
Areas to check should include:
Above the heat exchanger near the flue outlet.
The inner combustion chamber door.
The sight glass and electrode assembly.
The lower sump connection.
The condensate trap.
