ACS Gas Pro
ACS Exam Prep - All 6 Modules
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
ACS Gas Pro — the complete UK gas engineer toolkit. Over 1,000 exam questions across all six core ACS modules — CCN1, CENWAT, CKR1, CPA1, HTR1 and MET1 — plus on-site calculators, a Quick Reference cheat-sheet library, and MyACS, your CP12 / renewal / CPD logbook.
Every question is grouped by sub-topic, with detailed explanations and references designed to match what you'll see on assessment day.
Whether you're preparing for initial ACS certification, revising before re-assessment, or working on the tools, ACS Gas Pro is built for the job.
CCN1 — CORE GAS SAFETY (658 questions)
The foundation module every gas operative must pass. Topics include:
• Flues & Spillage
• Documentation & Legal Duties
• Unsafe Situations & RIDDOR
• CO Safety
• Ventilation
• Tightness Testing
• Combustion Principles
• Pipework & Fittings
• Gas Rates & Pressures
• Appliance Safety Devices
• Gas Emergency Actions
• Emergency Isolation Controls
• Purging
• Customer Communication
APPLIANCE MODULES
• CENWAT (100 questions) — Central Heating Boilers & Hot Water
• CKR1 (84 questions) — Cookers
• CPA1 (75 questions) — Combustion Performance Analysis
• HTR1 (75 questions) — Fires & Wall Heaters
• MET1 (70 questions) — Domestic Meters & Controls
10 ON-SITE CALCULATORS
• Gas Rate (U6 / E6 meter, dial-revolution timing)
• Ventilation Required (room sizing, high/low vents)
• Tightness Test (U6, IGE/UP/1B)
• Boiler Sizing (heat-loss / DHW demand)
• Calorific Value Lookup (NG / LPG)
• CO/CO₂ Ratio (combustion analyser check)
• Flue Termination Lookup (distances by appliance type)
• Pipe Sizing (copper, steel, length & load)
• Unit Converter (mbar, kW, m³/h, BTU)
• Unsafe Situation Classifier (ID, AR, NCS — GIUSP)
QUICK REFERENCE CHEAT SHEETS
Searchable cards covering flue distances, CO/CO₂ limits, standard appliance pressures, ventilation requirements, tightness-test pass/fail criteria, the Unsafe Situations Procedure, pipe-sizing tables and a gas-engineering glossary.
MyACS — YOUR LOGBOOK
• CP12 / Landlord Gas Safety Record log with PDF export
• ACS renewal reminders — never miss a re-assessment date
• CPD log with annual target tracking
• Warning Notices (RIDDOR / AR / ID / NCS) with PDF export
• Engineer profile (Gas Safe number, business details) auto-filled into every document
• Daily safety refresher card and study streak
KEY FEATURES
• 1,062 questions with full explanations and diagrams
• Module-specific Mock Tests, 50 questions each
• Flash Cards for quick revision
• Voice-over support (en-GB) for hands-free study on-site
• Progress tracking with visual charts
• PDF export of study reports, CP12 records and Warning Notices
• iCloud sync across your devices
• Works offline once downloaded
WHO IT'S FOR
• Engineers preparing for ACS initial assessment
• Gas operatives revising before re-assessment
• Apprentices working alongside their NVQ
• Trainers reviewing module content
• Working engineers needing on-site calculators and a CP12 logbook
For revision purposes only — always verify against the current ACS scheme rules and manufacturer instructions before any gas work.
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Information
- Seller
- Eknath Kadam
- Size
- 51.4 MB
- Category
- Education
- Compatibility
Requires iOS 16.6 or later.
- iPhone
Requires iOS 16.6 or later. - iPad
Requires iPadOS 16.6 or later. - Mac
Requires macOS 13.5 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Full Question Bank $29.99
- Full Question Bank $14.99
- Full Question Bank $9.99
- Full Question Bank $19.99
- Copyright
- © 2008-2026 Webrich Software