What you'll learn?

  • Checking the intended installation site.
  • Types of meter boxes and housings
  • The gas connection and meter outlet
  • Securing the meter correctly
  • Ventilation requirements (if any)
  • Tightness testing
  • Inlet and operating pressures
  • Commissioning and testing of the meter
  • Labelling the meter and recording installation details
  • Other ‘site specific’ checks and tests


CMA1, Domestic Gas Meters, covers what you’ll need to know in order to safely install, exchange, remove and commission gas meters.

CMA1 training is normally completed within half a day, plus additional time to sit the theory & practical assessments.


  • Specific Core for Meter Installers – Natural Gas - CMA1