Key Details

  • Available at:
    Rhos-on-Sea, CIST-Llangefni
  • Study Mode:
  • Course Length:

    Up to 1 week depending on ACS requirments

Course Description

Existing Gas Safe registered engineers requiring to renew their ACS qualifications.

Work Areas:

CoNGLP1 - LPG Changeover domestic natural gas to LPG

PD - Permanent Dwellings

RPH - Residential Park Home

LAV - Leisure Accommodation Vehicles

B - Boats

LPG Specific Appliances:

HTRLP2 - Install, exchange, service, repair, breakdown and commission closed flue gas fires – LPG

Core elements:

  • Gas safety regulations, Building Regulations, British Standards and other related legislation
  • Unsafe situations and emergency actions
  • Characteristics of LPG cylinder location, safety and sizing
  • Operation and positioning of emergency isolation, flow control and valves for cylinders
  • Supply pressures
  • Gas pipework (including sizing, installation, defects and faults)
  • Tightness testing and purging (PD, LAV and RPH)
  • Flues and ventilation
  • Combustion
  • Combustion performance analysis (flue gas testing)
  • Appliance controls


  • Gas safety regulations, Building Regulations, British Standards and other related legislation
  • Installation
  • Commissioning and fault finding
  • Servicing procedures
  • Unsafe situations

Entry Criteria

Previous held ACS qualifications

This course is suitable for engineers who have the necessary qualifications to be admitted onto the ACS Scheme. Run by the Strategic Management Board for the industry, successful completion of this course will enable an engineer to register with Gas Safe.

Engineers are classified into 3 categories:

  • Category 1 – Experienced practicing gas fitting operative
  • Category 2 – Applicant with relevant mechanical engineering/fitting qualifications/experience
  • Category 3 – New entrant without relevant qualifications/experience

Additional Information:

On the day of training you will need to bring with you:

  • 2x passport sized photographs
  • Original copies of expired/expiring ACS qualifications
  • Note taking material (recording devices not allowed)
  • A calculator (not part of a smart phone application) which we can provide you with on the day

We will also provide a copy of the NICEIC LPG On-site Guide for use throughout the training. You can purchase your own copy by clicking here.

Note: Training is not a pre-requisite to assessment


Depending on ACS required up to 2 days training


Practical and theory assessment



Other details

Course type: Short Course

Level: N/A

Programme Area:

  • Personal Learning Account