Navien 60/100 Vertical Flue Adaptor – Flexible and Efficient Flue Transitioning The Navien 60/100 Vertical Flue Adaptor is an essential component designed to transition a flue system from horizontal to vertical orientation. Perfect for installations requiring vertical venting through a roof or ceiling, this adaptor enables safe and efficient redirection of exhaust gases from Navien boilers. Its versatile design also allows for the elevation of horizontal flues, enabling them to navigate around obstacles like joists or achieve safe clearance from windows and doors. Built with durable materials, this adaptor ensures reliable performance in both residential and commercial applications. Key Features and Benefits Seamle