Core Commercial Gas Safety Changeover from Domestic Core 

What will you learn?

All aspects of Commercial Gas Safety that differ from Domestic Gas Safety.

Who should attend?

All engineers wanting to move into commercial gas safety from a domestic background.

This is a core changeover that will require additional commercial appliance related activities to be completed before being able to undertake commercial work.

The course programme

Day 1

■ Tightness testing principles, pipe volume, purge volumes

■ Commercial pipework

■ Pipe sizing

■ Pipework defects and faults

■ Unsafe situations and emergency actions

Day 2

■ Appliance controls

■ Combustion

■ Commercial flues

Day 3

■ Gas safety legislation

■ Commercial ventilation


Successful candidates will develop an understanding on how to work safely on commercial gas appliances and installations.

Next step

Candidates can move onto specific commercial appliances training such as CIGA1, CORT1, ICPN1, CDGA1, BHP1, CMET1 & 2, TPCP1 & 1a, CCCN1, CODC1, COMCAT1, COMCAT3 and REGT1.


3 Days

£310 + VAT


1 Day

£250 + VAT

Note: Assessment costs are subject to a certification fee

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