Glowworm Vertical Roof Terminal 

Designed for use with the Glow-worm condensing boiler ranges, the Glow-worm Vertical Boiler Flue provides a quick and easy solution to expelling flue gases from a central heating system. Designed to go vertically, it is best installed outside of the property once the flue has pipes have been fed outside, or through a flat or pitched roof. The design is quick and easy to install.