what is a boiler flue

You should look at your boiler manual to find the recommended specifications for your boiler flue, at which point you can speak to a qualified engineer to install the correct extension. Historically the term flue meant the chimney itself. With condensing boilers, the flue is effectively part of the heating system, as it is the heat from the burned gases that starts warming the returning water from the system. We like to know what shape your boiler flue is as it helps us gauge the age and style of your current heating system as well as the size of the gas pipe being used. Do you need a boiler flue I recently got a new boiler installed, in my property it is located in the cellar and the flue pipe comes out through the wall to the back of the property (backing onto the path at our back door). In English – It’s a pipe from your boiler to the outside of your house so the waste gases and condensation from your heating system aren’t being pumped into your home – pretty important. All of our quotes will include bricking up square flues and any other remedial work. To install this flue, the extra money will be needed as it demands extra work to be done. Finally, any flues which are boxed in must have access hatches, so your engineer can visually inspect your flue during your boiler’s annual service. Waste gases disappear through this pipe and disperse safely into the air outside the house. With a newer, condensing boiler, it’s reduced significantly to around 55 degrees Celsius. For a vertical flue, there's access issues to worry about and scaffolding may be required so that the installation can be completed safely. Again, our quotes include any remedial work such as bricking up. A boiler flue is a pipe or duct that’s attached to gas boilers which allows waste gases produced during the heating process to safely leave the building. You might recognise them as those black or white ducts that stick out of buildings expelling gas. We've knocked £100 off, everything. Want an exact price on a new boiler? In an older boiler, you could probably expect heat that leaves the flue to be over 200 degrees Celsius. A good Gas Safe installer would want to make you aware of this as early as possible. The design marked a transitional stage in boiler development, between the early haystack boilers and the later multi-tube fire-tube boilers. Summary A boiler flue is a pipe that carries by-product gases generated in a boiler system outside the home. Best practice is to install boiler flues that are as short and straight as possible to maximise efficiency. Boiler flues are either round or square, and can be positioned horizontally or vertically. The cost of a boiler flue depends on its shape and length. To guarantee a maximum of 1% CO2 content in the exhaust gases all that is needed is 2m of flue ducting from the fan to the outlet. A boiler flue is a duct or pipe which is used for the expulsion of waste gases and condensation from a boiler to the outside of the property during the heating process. These blockages are more common in rural areas surrounded by trees, although boiler flues in urban areas can also become blocked, especially by birds’ nests. This is an important task which should always be carried out by a Gas Safe registered installer. The boiler flue expels these by-products outside the home for the safety of those living inside. Get a fixed online price for a new boiler, How to get the best deal on a new boiler and flue. The flue exits straight out of the external wall behind the boiler. Whilst your existing flue may look and operate correctly, it may not be suitable for use with the new appliance. Flue shape – it’s going to be either a square or round flue. If, like many new boiler buyers, you’re looking to pay for your new boiler on finance – then factors such as these will have very little effect on your monthly repayments. It is important to confirm that the flue damper is in operational condition before starting the piece of equipment it is attached to and the damper may need to be adjusted before use as well. Housing regulations in the UK require boiler flues to be placed at certain distances away from openable doors, windows and vents to prevent fumes re-entering the home. Unless your boiler installation was undertaken by The Super Mario Brothers. Our team will be in touch soon to quote you happy. You should always refer to your boiler manual to find the right flue. How to increase water pressure in a shower with a combi boiler, © 2020 Vaillant Group, Nottingham Road, Belper, Derbyshire, United Kingdom, DE56 1JT. There are numerous regulations that affect boiler flues, including their size and where they can be placed. Flue position Depending on the size of the boiler, the flue must be positioned a certain distance from the nearest window, door, or air brick. Vertical flue position: A boiler flue, comes outside through the roof or loft, which is called a vertical flue. They are essential to protecting the health of people living at the property. If you have a boiler, whether that be a combi boiler, regular boiler or system boiler – then yes, you will have a boiler flue. Because it was a potential gas issue, we arrived as quickly as we could and began examining the boiler. If the jobs requires extra work, the installer will want extra payment to cover their labour. What's more, a condensing boiler is typically at least 25% more efficient than a non-condensing model. Heatable uses cookies to give users the best possible experience. Get a fixed online price. Get a fixed online price. The easiest way to understand how your flue works is thinking of it as a chimney for your boiler, getting rid of all the carbon dioxide and water vapour created by the heating process. LoveLeads Ltd t/a Heatable is registered in England and Wales No. When a boiler is operative, it is burning fuel in order to create heat. Most (if not all) vertical flues will exit through a roof; this could mean removal of your roof tiles or cutting through your flat roof. Generally speaking, they’ll want to know this because it can help give them an idea of the age and style of your current heating system. The flue is an essential part of the boiler typically located around the back. Flue dilution fans are suitable for atmospheric and condensing type boilers. Boom. Heatable acts as a credit broker (not as a lender) and offers credit products through a panel of lenders. In the United States, they are also known as vents for boilers and as breeching for water heaters and modern furnaces. from £1,590, or £10.28 a month. In this situation you should turn off the boiler and call a GSR engineer to inspect the boiler as soon as possible. Why are boiler flue regulations in place? All of our fixed boiler quotes include the flue that you require and any remedial works. Temperature. Again, this is unlikely to greatly affect your quote and shouldn’t increase by much more than £60 on average. A flue damper is a device which is used to regulate the flow of air through a flue, a pipe which vents hot air and gases from a wood stove, boiler, or similar piece of equipment. The distance of the flue exit from the boiler could also require extension kits in order for it to reach, averaging around £50 per extension kit – although it’s unlikely you’d require this, let alone more than one. Get a fixed online price. By definition, a boiler flue is a duct or pipe for the expulsion of exhaust gases from a heating system or generator. The smell of gas is actually added in as a safety feature because gas itself is odourless. Boiler flues are a pipe or duct, often found protruding from an outside wall or roof that are attached to gas boilers. You’ll probably have noticed steam coming from it and your neighbours – especially when the air outside is colder. Vertical flues (exiting via your roof) and square flues may incur additional charges, however. GB205805920 ). This is because the waste generated by combustion can include dangerous gasses like carbon monoxide, so you don’t want that waste … Boiler flues can become blocked by debris, causing a potential carbon monoxide leak in the home. We include plume kits and extensioins in all of our new boiler prices. In some cases, where building types and shapes differ, you may have a vertical flue which exits through the roof of your property. The regulations on boiler flues are strict, and the … As the fumes expelled from a condensing boiler are not as hot as traditional boilers the expelled gases may cause some annoyance if positioned in a low area. Replacing an older boiler, especially one installed before 2005, is likely to involve changing the boiler flue. What factors affect the cost of a boiler flue? The costs implications involved in the variables of flue types aren’t to be worried about. Some exceptionally tall engineers, trolls or tree people may be able to access these flues without the aid of scaffolding. Flues should also be placed at least 2.1m above the ground if placed on an external wall next to a frequently used path. Get a fixed price in 60 seconds & installation as quick as tomorrow. boilers.The standard concentric flue system (100 mm outside diameter) and a larger diameter concentric system (125 mm outside diameter) which allows longer air/flue duct lengths to be achieved. It is still possible for oil boilers to discharge via a chimney breast, although the boiler is not likely to be a condensing model. This is to help ensure there are no leaks and that your flue stays looking healthy and doing its job all-year-round – without causing a danger to you and your family. This is commonly referred to as a horizontal flue. The type of flue that is chosen should depend on the application of the flue and the type of fuel that is used by the boiler. What is a boiler flue? atmosphere from the flue of a conventional (non-condensing) boiler. If you have a back boiler (a gas boiler behind your fireplace) then you will not have an additional flue – the waste gases will simply exit via your chimney. So in a panic, they shut down the boiler and called JSL Heating. Rather than put the flue straight out the side, they go up and out of a roof space (either flat or pitched). Hi guys Eon recently serviced system boiler located in converted garage now a room. Financial Support: If you are in receipt of certain benefits, you may be entitled to claim a free boiler grant. Get a fixed online price. Round flue – If it’s a round flue, it’s likely to be relatively modern and already receiving gas via current regulation standard 22mm gas pipes. Nearly all boiler systems have a boiler flue, whether they are combi, regular or system boilers. A flue is a rigid metal length or flexible liner that connects directly to the boiler and terminates externally. If you have a round, horizontal flue (exiting out of the side wall of your house) then there shouldn’t be any cost implications at all. Boiler flues should also be positioned away from drains, gutters and balconies because the fumes can be hot enough to melt plastic. Get a fixed online quote from £1,695, Nevertheless, some boiler models allow for longer boiler flues which sometimes require bends. Usually flues for oil-fired boilers are made from steel.
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