Termination of vents for appliances listed for and installed outdoors that incorporate integral venting shall:

terminate not less than 5 feet vertically above the lowest connected appliance draft hood outlet or flue collar.

terminate not less than 5 feet vertically above the highest connected appliance draft hood outlet or flue collar.

be installed in accordance with their listings and the manufacturer’s installation instructions.

be installed in accordance with the design professional’s plans as approved by the local building official.