ACS Gas Pro is a UK gas engineer study and field toolkit for ACS assessment revision, on-site calculations, quick gas safety reference, and MyACS record keeping.

Use it to revise for CCN1, CENWAT, CKR1, CPA1, HTR1 and MET1, practise module-specific questions, review detailed explanations, and keep practical tools close when you are working on the job.

ACS EXAM REVISION

- 1,062 ACS-style questions across six core modules
- CCN1 Core Gas Safety question bank
- CENWAT central heating boilers and hot water
- CKR1 cookers
- CPA1 combustion performance analysis
- HTR1 fires and wall heaters
- MET1 domestic meters and controls
- Topic-by-topic practice
- Module-specific mock tests
- Flash cards for quick revision
- Explanations, diagrams and references
- Progress tracking and review screens

ON-SITE GAS CALCULATORS

ACS Gas Pro includes 10 practical calculators for common domestic gas work and revision scenarios:

- Gas Rate
- Ventilation Required
- Tightness Test U6
- Boiler / Heat Loss
- Calorific Value
- CO / CO2 Ratio
- Flue Termination Distances
- Pipe Sizing
- Unit Converter
- Unsafe Situation Classifier

QUICK REFERENCE

Searchable reference cards cover common gas safety tables, checks and procedures, including:

- Flue terminal distances
- Ventilation requirements
- Tightness-test limits
- CO / CO2 ratio guidance
- Standard appliance pressures
- Unsafe Situations Procedure
- Pipe sizing tables
- Gas engineering glossary

MyACS LOGBOOK

MyACS helps you keep practical gas-engineer records on the device:

- CP12 / Landlord Gas Safety Record log
- ACS renewal reminders
- Gas Safe registration reminders
- CPD log with annual target tracking
- Warning Notices for unsafe situations
- Engineer profile for reports
- PDF export for selected records
- Daily safety refresher and study streak

WHO IT IS FOR

- Engineers preparing for ACS initial assessment
- Gas operatives revising before reassessment
- Apprentices building module knowledge
- Trainers reviewing ACS topic coverage
- Working engineers who want calculators and reference tables in one app

KEY SEARCH TERMS

ACS gas, CCN1, CENWAT, CKR1, CPA1, HTR1, MET1, Gas Safe, CP12, LGSR, gas safety, boiler, flue, ventilation, tightness test, combustion analysis, gas rate, pipe sizing, unsafe situations, RIDDOR, UK gas engineer, ACS revision, ACS mock test, gas exam prep.

For revision and reference purposes only. Always verify against current ACS scheme rules, UK regulations, Gas Safe guidance, IGEM documents, British Standards and manufacturer instructions before carrying out gas work.

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