What defines a vent that is connected to an appliance vented by natural draft?

The definition of a vent connected to an appliance vented by natural draft is determined by the location of the connection. This aspect is crucial because it helps ensure that the vent will function properly by allowing for the correct flow of combustion gases and air. When designing or installing such vents, it's essential to consider how and where the vent connects to the appliance to promote natural draft, which relies on the difference in pressure caused by temperature variations between the hot gases and the cooler outside air. Proper placement can minimize the risk of backdrafts and ensure effective ventilation, which is critical for safety and efficiency.

The type of material, method of exhauster, and height above ground are also important factors in the overall design and function of venting systems, but they do not specifically define the nature of the vent connection to the appliance. Material selection impacts durability and safety standards, the exhauster method influences the performance of forced drafts, and height affects the dispersion of gases, but none of them override the significance of the connection's location in establishing effective natural draft.