Whilst a combi boiler may store less than 15 litres of hot water, it still needs to be notified as it is a) a combustion appliance and b) forms part of another fixed building service (space heating).
Whilst a combi boiler may store less than 15 litres of hot water, it still needs to be notified as it is a) a combustion appliance and b) forms part of another fixed building service (space heating).