Gas, Oil, Plumbing, Electrical, Renewable Energy, Solid Fuel and Street Works Training and Assessment Centre CSCS Cards and Online Courses
Gas, Oil, Plumbing, Electrical, Renewable Energy, Solid Fuel and Street WorksTraining and Assessment CentreCSCS Cards and Online Courses 

CDGA1 - Installation of Commercial Direct Fired Appliances

Assessment Information

The course is for experienced people who wish to undertake commission, service, repair and breakdown of commercicial direct fired gas appliances. CDA1 is normally undertaken as part of either the Commercial Changeover Gas Safety Package  or the Core Commerical Gas Safety Package.



  • Candidates must hold either the COCN1 qualification or CODNCO1 qualification.


Course Content

  • Legislation
  • Unsafe situations
  • Combustion
  • Gas controls
  • Gas pressures and flow
  • Flues
  • Ventilation
  • Installation of commercial heating gas appliances
  • Commissioning commercial heating gas appliances
  • Servicing commercial heating gas appliances


Course Duration

  • 1 day

This course can be training and assessment or assessment only.


  • You will need to bring with you

  • Candidate name and address
  • Candidate National Insurance number
  • 2 passport sized photographs
  • Copies of relevant qualifications and/or evidence of gas work experience
  • A declaration of the category for the individual making the application
  • First-time applicants will also be required to provide an acceptable  form of photographic identification e.g. a passport or driving licence

Oxford Energy Academy Ltd

Avenue One

Station Lane



OX28 4XZ


Tel: 01993 771155

email: or


Reception hours

A team member will be available to talk to you from

8.30am to 5.00pm        Mon to Fri.                    


You can also use our Contact Form.



Print Print | Sitemap
© Oxford Energy Academy Ltd

This website was created using 1&1 IONOS MyWebsite.