CODNCO1 Changeover Core Domestic to Core Commercial Gas Safety

This CODNCO1 course is for experienced operatives who wish to undertake commercial gas work and is designed to test your gas safety competence if you are intending to extend the domestic natural gas work range to include the commercial natural gas work range, through practical knowledge and an assessment.

Course content

  • characteristics of combustion and the use of flue gas analysis equipment 
  • ventilation
  • the operation and positioning of emergency equipment/appliance burner
  • checking and setting commercial equipment/appliance burner pressures
  • the operation and checking of commercial appliances gas safety devices and controls
  • commercial appliance/equipment flueing requirements
  • re-establishing existing gas supply and re-light commercial appliances.

Before undertaking this course you must hold the Core Domestic Gas Safety (CCN1) qualification.

This qualification, or the Core Commercial Gas Safety COCN1 qualification, is a prerequisite to undertaking the commercial appliances and testing and purging assessments.


Training (1 day) only: £160
Assessment (1 day) only: £410
Training and assessment: £570
Additional costs: course book: £50, registration fee: £45


Training: (3 Days) - 29th November, 6th December & 13th December 2017
Assessment: (3 Days) - 18th to 20th December 2017.

Enquire now >

* - required

Contact us

T: 0141 272 3362


Scottish Charity No. SC021182

Copyright © 2017 Glasgow Clyde College