Core Natural Gas Safety Questions (CCN1)
The initial Core Domestic Gas Safety (CCN1) app includes appliances and training in the following:
CCN1 – Core Domestic Gas Safety, including CPA1 (Combustion Performance Analysis)
CENWAT – Central Heating Boilers & Water Heaters
CKR1 – Cookers
HTR1 – Space Heaters (including Gas Fires and Wall Heaters)