What must be checked when installing a gas appliance within a confined space?

When installing a gas appliance in a confined space, ensuring adequate ventilation is critical for safe operation. Gas appliances produce combustion gases, including carbon monoxide, that need to be safely removed from the space. If the ventilation is insufficient, these gases can accumulate, leading to hazardous conditions such as poisoning or fire risks.

Adequate ventilation allows fresh air to enter the space and helps in the safe dispersal of any combustion byproducts. Regulatory standards often dictate specific ventilation requirements based on the type and capacity of the gas appliance being installed. This ensures that the operation of the appliance does not create dangerous air quality issues for occupants or the environment.

Other factors like electrical connections, water supply, and structural integrity are important in different contexts but do not directly address the immediate necessity of ensuring safety through proper ventilation in confined spaces where gas appliances are installed.