# ACS Gas Appliances Exam CCN1 — Domestic CENWAT,CKR1,HTR1,MET1

> Domestic CENWAT,CKR1,HTR1,MET1 (iPhone/iPad app by Adnan Sheikh.)

- Source: https://appshunter.io/ios/app/acs-gas-appliances-exam-ccn1/id6742821397 (this page in markdown: same URL + `.md`)
- Developer: [Adnan Sheikh](https://appshunter.io/developer/478871268)
- Category: Education, Reference
- Price: $9.99
- Age rating: 4+
- Requires: iOS 12.0 · 34 MB
- Languages: American English
- Released: 2025-03-05
- Data updated: 2026-08-24
- User reviews in markdown: https://appshunter.io/ios/app/acs-gas-appliances-exam-ccn1/id6742821397/reviews.md

## What is ACS Gas Appliances Exam CCN1?

Appliances Gas Safety App CCN1, your essential tool for preparing for Domestic Gas Appliances exams required for CCN1 certification. Whether you're a beginner or an experienced gas installer needing to maintain ACS qualifications, this app is designed for you.

Key Features:

Access multiple-choice questions that mirror real ACS exams.
Practice offline after initial installation.
Compatible with both iPhone and iPad, no additional cost for dual device use.
Exam Coverage:

CENWAT 1: Central Heating Boilers
CPA 1: Combustion Performance Analysis
CKR 1: Domestic Cookers
HTR 1: Gas Fires and Wall Heaters
MET 1: Meters
CPA1





Please note: This product is independent and not endorsed by ACS.


## Version history (last 1 release)

### 1.0 — 2025-03-05

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-24.*