Gas Installations and Ventilation Requirements

Front

Gas installations not needing purpose provided ventilation

Back

An instantaneous flueless water heater fitted in a kitchen between 5 m³ and 10 m³ volume

Front

Minimum ventilation for 30 kW open flued boiler in a room

Back

150 cm²

Front

Ventilation requirement for 27 kW room sealed boiler vented outside

Back

135 cm² high level, 270 cm² low level

Front

Minimum ventilation for 1.7 kW flueless natural gas heater in 60 m³ room

Back

8.5 cm² + openable window

Front

Ventilation for 10.5 kW flueless water heater in laundry

Back

52.5 cm² plus an openable window

Front

Gas fire below 7 kW in a room

Back

Does not need purpose provided ventilation

Front

Natural draught room sealed boiler in a compartment

Back

Needs purpose provided ventilation

Front

Open flued boiler over 7 kW in a room

Back

Needs purpose provided ventilation

Front

Ventilation for 27 kW room sealed boiler vented inside

Back

270 cm² high level, 270 cm² low level

Front

Flueless heater ventilation not allowed

Back

Not allowed for 1.7 kW in 60 m³ room