ACS CCN1 Core Domestic Gas Safety Assessment

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What is the minimum free area of ventilation required for an open-flued gas appliance with a rated input over 7 kW in a room?

5 cm² per kW of rated input above 7 kW 5 cm² for every kW of rated input 10 cm² per kW of rated input above 7 kW No additional ventilation is required

Correct Answer:

5 cm² per kW of rated input above 7 kW

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