Servicing and Repairs

servicing and repairs

Boiler servicing

To some people, there is a suspicion that boiler servicing is unnecessary and that it is just dreamed up by companies as a money making scheme. This isn't true and this is why:

It's checking, cleaning, testing and pre-emptive fault-spotting, really, with the emphasis on testing all the different functions of an appliance for correct and safe operation. There are also legal obligations for Boiler Maintenance.

Different companies have differing ideas about what should be done. At some, the engineers do little more than put a probe in the flue outlet to analyse the flue gas contents and, if all is well, announce that the boiler is working correctly before writing out the invoice. This is not a servicing. A boiler that appears to be working well may have hidden faults and these should be revealed by a proper service. At Masters Electricité, our boiler engineers do the following:

  • Preliminary examination:
    • Check with customer whether there are any problems with the system.
    • Check the appliance location is suitable for the type of appliance.
    • Check the appliance for any damage before starting work on it.
    • Check for correct operation of the appliance, including consumer controls and the safety devices.
    • Check the flame for correct burning.
    • Check the electrical wiring complies with electrical regulations.
    • Check for correct clearances from combustible materials.
    • Examine supply pipework for correct installation and clearances.
    • Check for correct ventilation to the room containing the appliance.
  • Full service procedure:
    • Remove main burners, clean and inspect for damage.
    • Clean and inspect gas injector(s) or oil nozzles, as applicable
    • Dismantle and clean pilot assembly and gas injector.
    • Reassemble burners and pilot assembly.
    • Check condition of ignition leads and electrode.
    • Clean the heat exchanger.
    • Refit burner assemblies and check seals.
    • Test disturbed joints for leaks.
    • Check appliance case and seals (where appliance is room-sealed) for damage and correct assembly.
    • Check and adjust pilot flame, if applicable
    • Check operation of thermocouple (flame supervision device).
    • Measure gas or oil pressure and flow rate, and adjust if necessary.
    • Inspect/test flue for faults/correct operation.
    • Inspect flue terminal for correct location and protection.
    • Check system bypass valve (if fitted) is correctly adjusted.
    • Check sealed system (if fitted) is at correct pressure.
    • Advise user to have the system checked at least every twelve months or as specified my manufacturer.
    • Raise a boiler servicing certificate and advise user of any defects found in writing.

What happens if not carried out regularly? Well, in most cases, everything will be fine, but you won't know for sure. A wide variety of things can go wrong with gas and oil installations and the regulations exist to make sure installations are safe. Proper servicing, in summary, makes sure your installation is safe.

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