What is a consequence of inadequate clearance of venting systems around obstructions?

The consequence of inadequate clearance of venting systems around obstructions is the potential risk of flue gas buildup. Proper clearance in venting systems is essential for ensuring that flue gases are safely expelled from an appliance to the outside atmosphere. When there are obstructions or insufficient space around these systems, it can restrict the flow of exhaust gases, leading to a situation where flue gases accumulate rather than being vented away.

This buildup can create serious hazards, including the risk of carbon monoxide poisoning and increased fire risks. Proper ventilation is crucial for safe operation, as it helps maintain a balanced airflow while preventing dangerous conditions that stem from inadequate clearance. Therefore, the need for clear and unobstructed venting is fundamental to the safety and efficiency of gas appliances.