Pass Your ACS & CCN1 Gas Examswith Confidence
Structured gas lessons and exam-style questions covering core CCN1 gas safety and key domestic appliance topics. Learn combustion, flues, ventilation, pipework, tightness testing, unsafe situations and appliances such as boilers, water heaters, cookers, space heaters and warm air units – all written in an ACS-style format.
Based on UK Gas Safety training materials and domestic ACS requirements. Ideal for CCN1 core gas safety and appliance learning before assessment or reassessment. Always follow the latest regulations and manufacturer instructions.
Choose how you want to revise
- 📘
Gas lessons
Clear, step-by-step lessons covering CCN1 core safety and Track B appliance topics – ideal before you start questions.
- ✅
Exam-style questions
Multiple-choice questions with explanations, written in the style of real CCN1 and domestic ACS appliance assessments.
- 📱
Works on any device
Mobile-first design so you can revise at college, on site, or at home on your laptop.
Smart progress tracking & topic reports
Every quiz attempt is saved by topic so you can see your strengths, weak spots, and how your scores improve over time – perfect for planning revision before CCN1 or ACS reassessment.
Path 1
Guided Gas Lessons
Learn or refresh each topic with clear explanations written for UK gas students and engineers working towards CCN1 and domestic ACS appliance modules.
- • Combustion, flues & products of combustion
- • Appliance types, controls & safety devices
- • Pipework design, sizing & installation
- • Boilers, water heaters & central heating systems
- • Unsafe situations (ID, AR, NCS) & GIUSP
Path 2
Exam-Style Gas Questions
Test yourself on CCN1 core topics or appliance subjects, or mix them together for a more realistic ACS-style challenge.
- • Topic-based quizzes with instant feedback
- • Clear explanations after each question
- • Great for ACS preparation and reassessments
Who is Gas Revision Hub for?
New learners
Starting your first gas qualification and want a clear way to break down CCN1 core and appliance topics before assessment.
Existing engineers
Brushing up before ACS reassessment and need focused revision on gas safety, boilers, cookers, space heaters and other appliances.
Multi-trade students
Already using plumbing or multi-trade resources and want a dedicated gas-only hub for domestic ACS-style exams.
Built for CCN1 & domestic ACS appliances
Gas Revision Hub is designed to support learning for CCN1 and related domestic ACS appliance subjects. Use it alongside your course materials, current regulations, British Standards and manufacturer instructions.
Key gas topics you'll cover
How it works
1. Choose your path
Start with lessons if you're learning a topic, or jump straight into questions if you're revising for CCN1 or ACS appliances.
2. Pick a topic
Focus on combustion, appliances, pipework, tightness testing, ventilation, unsafe situations or any other area you want to strengthen.
3. Track your progress
Use questions and topic reports to see where you're strong and where to focus before CCN1 assessment or appliance reassessment.