Gas Boiler Fault Finding and Repair - Level 3

This course is the last in a 3 part series, designed for those who want to improve their knowledge, develop their skills and learn best practice when fault finding and repairing a gas boiler. 

Throughout the day the trainers will be coaching you through various fault finding and repair tasks demonstrated on Worcester Bosch's range of gas boilers.

Location(s): Worcester, Wakefield, West Thurrock, Local colleges
Duration: 1 day
Cost: £25.00 per person

  • Apply core principles and methodology of fault finding to broken down boilers.
  • Demonstrate the use of fault finding equipment on components and successfully interpret the readings.
  • Learn how to replace faulty components across the Worcester Bosch range of gas boilers.

Models Covered

Worcester Bosch gas boilers, including:

  • Greenstar Combi Boilers
  • Greenstar System Boilers
  • Greenstar Regular Boilers


You must be Gas Safe registered holding a current CCN1 and CENWAT qualification, be part of an industry Managed Learning Program (MLP) or an industry apprentice.

Additional Information

It is recommended that you attend Gas Boiler Fault Finding and Repair Level 1 and/or 2, depending on experience, before attending this course.

This course involves some practical elements and it is recommended to wear appropriate work wear; such as saftey boots.   If you need to cancel or rearrange a booking we require notice of 10 working days prior to the course start date so that the place can be reallocated. If the required notice is not received within this timescale any monies paid will be forfeited.

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Want to speak to someone about training?

You can call us on 0330 123 0166, email us at, or find your nearest Technical Sales Manager.