Natural Gas

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CCN1 – Core Gas Safety

While undertaking this course, you will carry out a mix of theory learning, hands-on training and practical assessments based on the competencies listed below. Once this is complete you can move on to other elements such as CENWAT – Central heating boilers & water heaters, CKR1- cookers, HTR1- Fires and many others. You can then also carry out the changeover to LPG.

  • Testing and purging of domestic gas installations
  • Combustion
  • Flues
  • Ventilation
  • Controls for gas appliances
  • Gas pipe work
  • Gas industry legislation
  • Installation of domestic gas appliances
  • Commissioning of domestic gas appliances
  • Servicing of domestic gas appliances
  • Maintenance of domestic gas appliances
  • Unsafe situations

CPA1 – Flue Gas Analysers

This course covers what you’ll need to know to use a flue gas analyser for installation, servicing & repair work. This qualification is now incorporated in CENWAT and does not need to be taken as a separate qualification.

Prerequisites: CCN1


The CENWAT course aims to extend a gas engineer’s scope of work to include the installation, service and maintenance of domestic gas fired central heating boilers/hot water circulators and domestic gas fired instantaneous water heaters.

Prerequisites: CCN1

CKR1 – Gas Cookers

The CKR1 course is for gas engineers to add to their skill set in the area of domestic cooking appliances. The course consists of service, repair, breakdown and commission of Free standing and slide in cookers, Built-in hotplates & Built-in / under ovens and grill units.

Prerequisites: CCN1

HTR1 – Gas Fires & Heaters

This course covers installation, maintenance, breakdown repair and the disconnection of gas fires, wall heaters, open flued gas fires (radiant/convector), Open flued inset live fuel effect gas fires (ILFE), open flued decorative fuel effect gas fires (DFE), balanced flued gas fires, balanced fan assisted wall heaters. From 2012 CPA1 is mandatory with this course.

Prerequisites: CCN1

MET1 – Gas Meters

The Gas Meters course will teach you everything you need to know about installing, exchanging, removing and commissioning domestic gas meters.

Prerequisites: CCN1

CMDDA1 – Carbon Monoxide/Dioxide Atmosphere & Appliance Testing

This assessment is to test the competence of a gas engineer in checking ambient levels of CO and presence of CO2 in residences and identifying the cause of fumes using a portable electronic combustion analyser. This will be any engineer who responds to the report of a CO alarm being activated or a report of fumes.

Prerequisites: CCN1 + CPA1