App Description

ACS Core Domestics Gas Safety CCN1 Exam Preparation App will help beginners and re-assessment gas installers that need to keep their ACS qualifications up to date with the latest exam questions to test and practice.

-The App contains hundreds of multiple choice questions similar to what you will find in the real world ACS exams.

-Practice as many times as required with no internet connection required after initial install.

-Works on both iPhone and iPad, install on both devices at no extra cost.

ACS certificate is required to join the ‘Gas Safe Register’

The Core Domestic Gas Safety (CCN1) app includes CPA1 (Combustion Performance Analysis)

The Exam content covers

-Gas safety, legislation and standards
-Gas Rates
-Tightness testing and purging
-Installation of pipework and fittings (pipework within meter -installation and outlet pipework)
-Gas emergency
-Gas Characteristics
-Products and characteristics of combustion
-Ventilation
-Fluing Standards
-Gas Controls
-CPA1
-Re-establish existing gas supply and re-light appliances
-Gas control Rig questions


This product is not affiliated with nor endorsed by the ACS.

iPhone Screenshots

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ACS Domestic Gas Safety CCN1 screenshot 1 ACS Domestic Gas Safety CCN1 screenshot 2 ACS Domestic Gas Safety CCN1 screenshot 3 ACS Domestic Gas Safety CCN1 screenshot 4 ACS Domestic Gas Safety CCN1 screenshot 5 ACS Domestic Gas Safety CCN1 screenshot 6 ACS Domestic Gas Safety CCN1 screenshot 7 ACS Domestic Gas Safety CCN1 screenshot 8 ACS Domestic Gas Safety CCN1 screenshot 9

iPad Screenshots

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ACS Domestic Gas Safety CCN1 screenshot 10 ACS Domestic Gas Safety CCN1 screenshot 11 ACS Domestic Gas Safety CCN1 screenshot 12 ACS Domestic Gas Safety CCN1 screenshot 13 ACS Domestic Gas Safety CCN1 screenshot 14 ACS Domestic Gas Safety CCN1 screenshot 15 ACS Domestic Gas Safety CCN1 screenshot 16

App Changes

  • December 11, 2020 Initial release