Compatible with all green Star oil-fired condensing boilers. Quick and simple to install. Aesthetically pleasing Design. White-coated finish. Suitable for use with the Worcester Greenstar Boiler range, the Worcester Long Telescopic Flue Kit provides an effective solution to expel acidic flue gases. With white aluminium on the main extension and a black terminal end, this robust telescopic flue is the standard choice for normal installation through a domestic property wall. Quick and easy to install, the flue pipe features push seal jointing and positive fixing screws providing a simple system to set up, and one which will last the life of the boiler. The flue can be extended to the length of choice, between 570mm and 790mm.