The Worcester Bosch heat slave 20/25-Oso-Gb oil combi boiler flue allows waste gases to exit the boiler into the atmosphere. The boiler flue will most likely be located behind the boiler, which allows the gases to escape quickly and properly from the house. The boiler flue can be an essential part of the boiler, and if considering a new central heating system, it is imperative the correct flue is used.

Brand Name	Worcester Bosch