At what height above the lowest portion of the interior of the chimney flue should connectors connect?

Connectors must connect to the chimney flue at a height of no less than 12 inches above the lowest portion of the interior of the chimney flue. This requirement ensures that the connector is positioned appropriately to prevent any backdraft or obstruction that could impede proper ventilation and airflow. Adequate clearance helps to facilitate the effective movement of exhaust gases and reduces the risk of chimney blockage, which can lead to potentially hazardous situations such as carbon monoxide buildup or fires due to creosote accumulation.

Meeting this 12-inch height requirement is crucial to maintaining compliance with safety and building codes, affording operational efficiency and optimal performance of the chimney system. Proper installation at this height also takes into consideration the dynamics of gas movement and helps avoid condensation issues that can arise if connectors are installed too low. Therefore, adhering to this regulation ensures a functional and safe chimney setup.