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Boiler Service London

Vaillant boiler parts removed by a Vaillant Advance engineer during a Vaillant boiler service in South London - a pump, fan, heatexchanger, divertor valve and PCB.

If you need a Vaillant boiler service in London then look no further. I am an expert heating engineer that specialises in Vaillant boilers so will make sure your boiler is in tip top condition.

Getting a good Vaillant boiler service is important to validate any manufacturer warranties. Above all, it helps to keep your boiler running smoothly and safely. I am a South London based, Gas Safe registered engineer, approved by Vaillant and experienced in servicing Vaillant boilers so you can trust me to meet your expectations.

Furthermore, my London Vaillant boiler service visit will include a service report – hence giving you a clear understanding of the work undertaken.

I offer two types of service depending on your requirements.

Vaillant Servicing Options


(Recommended Annually)

  • Basic safety checks
  • Checking of flue condition
  • Combustion Readings
  • Gas rate / Burner pressure
  • Flow and Return differentials
  • Checking for 3 amp fuse
  • A visual check for water leaks
  • Cleaning condense trap (if applicable)
  • Cleaning magnetic filter (if applicable)
  • Drain down and recharge expansion vessel
  • Visual check of system, including cylinder, motorised valves, pumps, radiators and radiator valves


(Recommended Every 3-5 Years)

  • Including all checks from ‘Standard’ Service

  • Cleaning of main heat exchanger
  • Cleaning electrodes
  • Checking gas-air mixture unit
  • Cleaning cold water inlet filter
  • Checking combustion readings again after completion of work

Seals or parts are not included (if required)
Repairs are not included