ViperGas Domestic Core & Four Collection – 2026 Handbook Edition
ViperGas Domestic Core & Four Collection – 2026 Domestic Natural Gas Handbook & ACS Workbooks
The ViperGas Domestic Core & Four Collection includes the NEW 2026 edition of the ViperGas Domestic Natural Gas Handbook, together with five specialist ACS gas safety preparation workbooks. This comprehensive training and revision package is designed for domestic gas engineers, trainees and candidates preparing for ACS competency assessments.
Combining the updated 2026 technical reference handbook with structured self-study exercises, the collection supports learning across core domestic gas safety, central heating and water heating appliances, cookers, gas fires and domestic gas meters.
This collection is supplied with the 2026 edition of the Domestic Natural Gas Handbook, alongside five ViperGas ACS preparation workbooks, providing a combined technical reference and self-study resource for domestic gas engineers.
Key Benefits of the Collection
- New 2026 Domestic Natural Gas Handbook included in the package
- Five specialist ViperGas ACS preparation workbooks
- Coverage of domestic core gas safety and four key appliance-related assessment areas, including meter competencies
- Structured learning, revision questions and knowledge-check exercises
- Technical reference information supporting domestic gas engineering practice
- Useful for initial ACS preparation, refresher study and relevant reassessments
- Suitable for individual engineers, apprentices, colleges and gas training centres
What's Included in the ViperGas Domestic Core & Four Collection?
The collection contains the following technical reference handbook and five ACS preparation workbooks.
1. ViperGas Domestic Natural Gas Handbook – 2026 Edition
The 2026 ViperGas Domestic Natural Gas Handbook provides detailed technical reference material for domestic natural gas engineering, installation, servicing, maintenance and safety.
The handbook supports the development of technical knowledge required by domestic gas engineers and candidates preparing for recognised gas safety competency assessments.
Key technical subject areas include:
- Domestic gas safety legislation and responsibilities
- Gas combustion principles and combustion analysis
- Gas pressures, rates, controls and operating principles
- Domestic gas pipework, fittings and pipe sizing
- Gas installation, testing and commissioning
- Ventilation and combustion air requirements
- Flues, chimneys and associated safety considerations
- Domestic gas meters and supply arrangements
- Unsafe situations and gas safety procedures
- Domestic heating and hot water appliances
- Appliance installation, servicing and fault finding
Supplied in its 2026 edition, the handbook forms the technical reference component of this combined ViperGas study package.
2. Five ViperGas ACS Preparation Workbooks
The five accompanying self-study workbooks provide structured exercises and revision material for the following domestic gas assessment areas.
| ACS Module | Workbook Subject |
|---|---|
| CCN1 / CMA1 | Domestic Core Gas Safety |
| CENWAT1 | Domestic Central Heating and Water Heating Appliances |
| CKR1 | Domestic Cookers |
| HTR1 | Domestic Gas Fires and Wall Heaters |
| MET1 / MET2 | Domestic Low Pressure Gas Meters |
Prepare for Domestic ACS Gas Safety Assessments
The Accredited Certification Scheme (ACS) provides a recognised assessment framework for demonstrating competence in relevant areas of gas work.
The ViperGas Core & Four Collection combines detailed technical reference material from the 2026 Domestic Natural Gas Handbook with dedicated ACS self-study workbooks. This allows candidates to reinforce technical understanding through revision questions, exercises and knowledge checks.
The workbooks are designed to assist candidates in identifying areas requiring further study before attending a recognised training or assessment centre.
Please note: These publications are intended as supporting technical reference and revision resources. They do not replace formal training, practical assessment or the requirements for gas engineering competence and registration.
Who Should Buy This Collection?
- Domestic gas engineering trainees preparing for their initial ACS competency assessments
- Qualified gas engineers refreshing their technical understanding and studying for relevant reassessments
- Heating engineers seeking domestic gas technical reference and appliance-related study resources
- Colleges and training centres providing reference and revision materials for gas engineering students
- Employers and engineering businesses supporting the continuing development of their gas engineering teams
About ViperGas Technical Publications
ViperGas publishes specialist technical handbooks and self-study resources for gas engineers, trainees and training organisations. Its publications support technical learning across domestic and commercial gas engineering subjects.
The combination of a technical handbook and corresponding self-study workbooks allows candidates to develop their knowledge, practise assessment-style questions and revisit topics requiring additional study.
Browse our ViperGas technical handbooks and ACS study books for further specialist publications.
Product Information
| Publisher | ViperGas |
|---|---|
| Product | Domestic Core & Four Collection |
| Handbook Edition | New 2026 Edition |
| Included Publications | 2026 Domestic Natural Gas Handbook plus five ACS preparation workbooks |
| Format | Printed technical handbook and workbooks |
| Subject | Domestic Natural Gas Safety, ACS Assessment Preparation |
| Product SKU | 994400 |
Frequently Asked Questions
Does this collection include the new 2026 ViperGas handbook?
Yes. This collection is supplied with the 2026 edition of the ViperGas Domestic Natural Gas Handbook, together with five ACS preparation workbooks.
How many ACS workbooks are included?
Five workbooks are included, covering CCN1/CMA1, CENWAT1, CKR1, HTR1 and MET1/MET2.
Is this collection suitable for ACS revision?
Yes. The technical handbook and accompanying workbooks support structured revision for relevant domestic gas ACS competency assessments. They should be used alongside appropriate training and practical experience.
Is this collection suitable for experienced gas engineers?
Yes. It is suitable for engineers refreshing their domestic gas safety knowledge and preparing for relevant ACS reassessments.
Can I purchase ViperGas workbooks individually?
Yes. Individual ViperGas technical publications and self-study workbooks can be found in our ViperGas books category.
Bulk Orders for Gas Training Centres & Employers
Purchasing multiple copies of the ViperGas Domestic Core & Four Collection for a college, training centre or engineering team? We welcome bulk order enquiries and trade account applications.
For orders of five or more copies, please call 01380 820 003 to discuss available volume discounts.
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