The vapour is the waste gases that have been produced by the boiler. They are expelled via the flue, which is the pipe on your wall or roof. Boilers require a flue pipe to ensure that any dangerous byproducts of combustion, such as carbon monoxide, do not enter your home but are taken outside instead.
It is a requirement that your boilers flue is completely sealed. If there are gaps around the edge of the flue, there's a chance that some of the gas could re-enter the house. The flue needs to be sealed on both sides of the wall or roof where it exits the home. This is usually done using sand cement.
Horizontal Flue For Gas Boiler. A typical gas boiler flue (or pipe to most people) has a diameter of 100mm, with two different channels for gases to flow. The 60mm central pipe is used to take the exhaust gases outside, whilst the 100mm outer ring is used to bring in fresh air. Boiler Flue Terminal
05/11/2019 · Definition: A boiler flue is a component which enables gas to escape safely from boiler. In most cases, this is a pipe or a duct, which is fitted to the boiler to carry exhaust gases away from your home safely. The aim is to remove waste products without exposing you or anyone around you to them.
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26/04/2021 · If you have a boiler, whether that be a combi boiler, regular boiler or system boiler then yes, you will have a boiler flue. Unless your boiler installation was undertaken by The Super Mario Brothers. Note the exception of back boilers. If you have a back
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26/01/2013 · Baxi are the only people that supply an open flued boiler with a built in condense pump. As the flue is rigid it can't pass up a chimney void which is not straight and the joints would be inaccessible. I the the chimney is a no. 3 core bits should get thro a 3ft stone wall it will just take longer and be reflected in the cost of the job.