Oil Boiler Servicing
Chalder Engineering Ltd can help with all your commercial oil boiler servicing needs.

We offer yearly servicing and maintenance packages to all manner of commercial concerns, including hotels and restaurants, schools, colleges and universities, manufacturer’s large and small, campsites and holiday parks, hospitals, banking institutions, office blocks and large residential properties.

As an OFTEC registered company, we ensure that any components fitted during our visit are of the highest standard. Part of our visit includes the commissioning of your boiler, thus ensuring the correct combustion and maximum efficiency is achieved.

Our fully professional service will be carried out with the minimum of disruption to your business.  Depending on the type of boiler you have, our service will include aspects of the following:-

  • Removal of the burner from boiler
  • Cleaning of the primary air combustion fan and housing
  • Replacing the burner
  • Cleaning the electrodes, checking the spark plug and replacing if defective


  • Checking the flame failure operation and safety cut off
  • Replacing defective burner oil filter elements and nozzles
  • Cleaning all boiler flueways up to and including the first flue bend
  • Cleaning combustion space
  • Inspecting the refractory brickwork and reporting if defective
  • Refitting of the burner, including a fire up and test
  • Carrying out a full combustion test and recording the results
  • Checking the fire valves for correct operation and condition of firewire
  • Checking the boiler plant room ventilation
  • Checking all the electrical controls
  • Checking the header tank and cold water supply tank valves for correct operation
  • Replacing the oil tank filter element, if fitted
  • Checking the oil line for any leaks
  • Labelling the boiler with the date the service was carried out
  • Visual inspection of the oil tank and report anything that contravenes current building regulations


Please be aware that this procedure will vary from one appliance to another.  Our engineers will also ensure that the boiler plant room is left in a clean and tidy condition on completion of the service.

When the anniversary of the service date is approaching, Chalder Engineering Ltd will contact you to arrange the next service, thus ensuring your boiler is always operating at its optimum level.

Most of our clients prefer the reassurance of a contracted arrangement.  They can then relax securely in the knowledge that their boilers are being maintained regularly by fully trained, competent and experienced engineers. 

Chalder Engineering Ltd are approved installers for the following manufacturers:

  • Worcester Bosch
  • Warmflow Engineering
  • Trianco
  • Firebird

If you have any questions regarding your oil boiler servicing needs, telephone Chalder Engineering Ltd on 01472 827687 and we will be pleased to discuss them. 

Unit 14,Grimsby Business Centre, King Edward Street, Grimsby, N. E. Lincolnshire - Telephone: 01472 827687 - Mobile: 07780 554663