Can a boiler flue be extended?

Can a boiler flue be extended?

Boiler flue extensions are used to extend a boiler’s flue outlet system, effectively an additional flue length of either horizontal or vertical orientation. Flue extensions are brand specific and must be the same brand as the manufacturer of the flue piping system that is being extended.

How long can an oil boiler flue be?

The effective length stated by the manufacturer can vary from 2m – 6m horizontally and 6m – 12m vertically, subject to the following adjustments: For every bend the length is reduced. For example, the manufacturer may state that the maximum length of the flue is 6m horizontally.

How far can you vent a boiler?

between 30-60cm
Under the boiler flue position regulations, the flue has to be positioned a certain distance from any parts of the home that can be opened up such as windows and doors. How far this is will depend on the size of your boiler but is typically between 30-60cm above, below or to the side of an opening.

Can I move my boiler flue?

Do I need to get an engineer to move my flue pipe? Your boiler flue pipe is considered part of your boiler system and it is illegal and dangerous for anybody other than a qualified, registered engineer to make any alterations.

How long can a boiler flue be?

10 metres
As a general rule, a flue should work effectively when it’s up to 10 metres in length. This is usually based on a standard thickness of 60/100mm. For flues that need to be longer than this, it’s a good idea to increase the thickness to 80/125mm to ensure that the gases are able to escape easily.

How long should a flue be?

Building Regulations recommend a flue system of at least 4.5m in length to achieve this. An added benefit of attaining a certain height with your flue system is the improved draw this will create.

How long can a boiler flue be Worcester?

Age Verification With no cutting required, the flue measures 350mm in length but can be extended up to 570mm in total allowing for more flexible installation.

How long should a flue pipe be?

Can a flue pipe be too large?

Flue pipe is too big for the furnace. Excessively large flues reduce the velocity of the combustion products, allowing them more time to dissipate heat through the pipe walls. Flues that were acceptable for natural-draft furnaces are often too large for the new, 80% induced-draft furnaces.

Will a larger flue draw better?

The reason that a taller chimney creates a better draft is really rather simple as the higher up in the atmosphere the chimney reaches, the greater the differential pressure.

How long can a horizontal boiler flue be?

As a general rule, a flue should work effectively when it’s up to 10 metres in length. This is usually based on a standard thickness of 60/100mm. For flues that need to be longer than this, it’s a good idea to increase the thickness to 80/125mm to ensure that the gases are able to escape easily.

Where should a boiler flue be placed?

The boiler flue terminal should be positioned away from doors, windows or other openings. There should be a space of at least 300mm above, below or to the side of any opening. Harmful gases should be properly expelled from the property, so they cannot re-enter.

How long can a horizontal flue be?

All of Baxi’s, Main’s and Potterton’s system or combi boilers with a 60/100mm concentric flue fitted can be up to a maximum length of 10 metres. If you find that you do need a longer flue run, then the flue size can be increased to 80/125mm, giving you a maximum flue length of up to 20 metres.

How long can a vertical boiler flue be?

  • October 8, 2022