| Course | Code |
|---|---|
| Core Domestic Gas Safety | CCN1 |
| Wet Central Heating | CEN1 |
| Water Heaters | WAT1 |
| Space Heaters (Fires etc) | HTR1 |
| Cookers | CKR1 |
| Meters | MET1 |
| Dry Central Heating | DAH1 |
| Laundry | LAU1 |
| Course | Code |
|---|---|
| Core Domestic Gas Safety | CCN1 |
| Wet Central Heating | CEN1 |
| Water Heaters | WAT1 |
| Space Heaters (Fires etc) | HTR1 |
| Cookers | CKR1 |
| Meters | MET1 |
| Dry Central Heating | DAH1 |
| Laundry | LAU1 |