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  • Does a Boiler in a Cupboard Need Ventilation? | Boiler Guide

    All condensing boilers have a balanced flue pipe which gives the boiler all the ventilation it needs. Even if it's hidden away in a cupboard. And if you've had a new gas boiler fitted since April 2005 then it will be condensing. Any home with an older non-condensing boiler will need to think about boiler ventilation.Get Price

  • What is a Condensing Boiler and How Do They Work? | WarmZilla

    If your boiler has a metal flue, then it's most likely a non-condensing boiler. Check your drainpipe. If you can see steam coming from your flue, and if you have a white plastic pipe leading to a drain, this means you have a condensing boiler.Get Price

  • Condensing Boiler Fumes - South Gloucestershire

    heat exchanger within the boiler and used to preheat the return water. As a result the temperature of the gases leaving the flue of a condensing boiler is typically 50-60 C compared with 120-180 C in a current non-condensing boiler. At the same time an amount ofGet Price

  • Boiler Flue Regulations Explained | Boiler Guide

    The flue is simply a piece of pipework or duct that moves gases and hot air from the combustion chamber of the boiler to outside. 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. While the incoming water is getting warmer Get Price

  • Does a boiler cupboard need ventilation? | Viessmann

    Back boilers like a modern boiler contain a heat exchanger, but unlike a modern boiler which is usually on show or in a cupboard they were behind a gas or electric fire. Unlike modern boilers they were only around 78 per cent efficient at best, compared to the 98 per cent efficiency of modern gas-condensing boilers .Get Price

  • What is a gas condensing boiler? | Viessmann

    In a condensing boiler, heat existing in the flue gasses can be captured and 'recycled' back into the heating system and used to preheat the cold water entering the boiler. During this process, the temperature of the flue gas is rapidly reduced from around 130℃ to 50℃. This fall in temperature causes condensation, from which the name is Get Price

  • Where should a condensing boiler be installed? – …

    Does a condensing boiler need a flue? The regulations and guidelines for boiler flue siting have changed significantly since condensing boilers were made compulsory in 2005. If the flue goes through the roof (a vertical flue) rather than a wall (horizontal flue) …Get Price

  • Can a condensing boiler have a vertical flue?

    What is a Boiler Flue and How Do They Work? | Ideal HeatingGet Price

  • What is a Condensing Boiler? - Warma UK | Heating and Insulation …

    While non-condensing boilers take air onboard, condensing boilers are sealed systems. The only air they take in comes from outside, through the flue pipe. They also come with additional safety features, like pressure relief valves, which will turn the boiler off in the event of a fault.Get Price

  • Does a condensing boiler need ventilation? - AskingLot.com

    Does a condensing boiler need ventilation? Although the boiler cupboard does not require any form of air vents or additional ventilation, the boiler requires oxygen in order to burn the gas correctly. The flue is the pipe that allows the waste gases produced by your boiler to be released from your home. Click to see full answer.Get Price

  • Boiler Ventilation Requirements | JustBoilers.com

    The same answer as above: If the boiler was made after 2005 (gas) or 2007 (oil), it's a condensing boiler and does not need ventilation. Even so, make sure nothing is too close to the tanks or the other parts of the boiler.Get Price

  • What Is A Condensing Boiler? | Boiler Advice | Vaillant UK

    A condensing boiler uses condensing technology to make better use of the heat it generates. When a fuel such as gas or oil is burned, gasses are released via a flue. In a non-condensing boiler system these gasses would be released into the atmosphere and their heating potential would be lost. However, in a condensing boiler the hot gasses are Get Price

  • What Is A Condensing Boiler? - New Boilers On Finance

    2021/8/4 · First of all, you need to understand that a "combi" combination boiler is a type of boiler, and "condensing" is the energy-efficient technology present within all modern boilers. With that said, you cannot compare a combi boiler with a condensing boiler because they are the same and all other boiler types, such as system boilers.Get Price

  • Boiler Flue Changes Required When Replacing A Gas Boiler - …

    However, there are a number of boiler flue regulations which need to be considered and can on occasions make changing the boiler flue more challenging. What Does a Boiler Flue Do? In a modern fan assisted condensing boiler, the boiler flue could just as easily be described as an air/flue gas duct as it has two separate channels for gases and serves two functionsGet Price

  • Flue cage/guard for condensing boiler? | DIYnot Forums

    2019/9/3 · I had an engineer out to my boiler today and he said I need to get a new cage/guard for my flue (it's corroded and falling apart). He mentioned getting a plastic coated one, so I've been looking online. The stainless one - especially if its a quality material such as A4Get Price

  • Where should a condensing boiler be installed? – …

    Boiler Flue Regulations Explained | Boiler GuideGet Price

  • Is the plume from a condensing boiler dangerous?

    2020/1/28 · You could check your boiler manual for reference to condensing or 'HE' in the title.Check the flue terminal which is usually sticking out through an external wall near the boiler.If it is plastic and white steam comes out of it when the boiler is on then it is likely to be a condensing boiler.Get Price

  • What Is A Condensing Boiler & How Do Condensing Boilers Work

    Also asked, does a condensing boiler need a flue? If it is plastic and white steam comes out of it when the boiler is on then it is likely to be a condensing boiler . Non- condensing boilers normally have a metal flue and the gases may not be visible because they're much hotter than those from a condensing boiler .Get Price

  • What is a Condensing Boiler and How Does it Work?

    A standard boiler gives off waste gases through a flue and into the atmosphere at a high temperature of over 200 degrees, where this is significantly reduced in a condensing boiler. The heat input is pretty much the same at about 250 to 350 degrees, but a condensing boiler has a much more efficient way of working compared to other types.Get Price

  • New gas boiler regulations | Flue, cupboard, gas pipe & lofts

    2020/12/6 · Horizontal flues for condensing boilers must rise slightly in order for the acid water vapour to trickle back down the flue and be safely removed via the condense pipe. Vertical flue A vertical flue rises off the top of the boiler and can go through a flat or pitched roof or through the wall at a higher point.Get Price

  • Does a new boiler need a new flue? - TreeHozz.com

    4.6/5 (41 Views . 24 Votes) Yes, you do need to replace the flue when replacing any boiler even if the same brand. This is to keep it in line with manufacturers specifications and Building regulations. The washers on the combustion side of the flue (inner section) perish over time and can leak and cause damage to the rest of the flue.Get Price

  • condensing boiler venting issue — Heating Help: The Wall

    condensing boiler venting issue. Some of you may have read or responded to an earlier post regarding my father's change from a 55 YO oil boiler to a new gas boiler. Thanks for the responses. I was talking to a contractor yesterday who told me that they can not vent the flue gas out a plastic vent inserted into the existing chimney.Get Price

  • Is the plume from a condensing boiler dangerous?

    2020/1/28 · You could check your boiler manual for reference to condensing or 'HE' in the title.Check the flue terminal which is usually sticking out through an external wall near the boiler.If it is plastic and white steam comes out of it when the boiler is on then it is likely to be a condensing boiler.Get Price

  • How Much Ventilation Is Required In A Boiler Cupboard?

    2019/12/10 · What're the regulations for boiler cupboard ventilation? Measurements for boiler accessibility and air flue (vertical & horizontal) positioning. These days, more and more people prefer that a boiler remains concealed within their home. A study conducted by Npower reveals that a whopping 57% of people will knock off £5,000 from the asking price of a property if it has …Get Price

  • Can a condensing boiler have a vertical flue?

    Boiler Flue Regulations 2021: A Simple Guide | Skills Get Price

  • What is a condensing boiler? - Quora

    Answer (1 of 4): A condensing boiler can condense the water vapour in the flue gases and withstand the corrosive and acidic qualities of the flue gas condensate. Although most boilers can condense the flue gasses, only boilers that have heat exchangersGet Price

  • Where should a condensing boiler be installed? – …

    Does a condensing boiler need a flue? The regulations and guidelines for boiler flue siting have changed significantly since condensing boilers were made compulsory in 2005. If the flue goes through the roof (a vertical flue) rather than a wall (horizontal flue) …Get Price

  • Question 1, Boiler Flue dripping. — MoneySavingExpert Forum

    2013/2/14 · The flue should rise from the boiler at a 3 degrees angle so that the condensation can run back into the boiler and out through the drain. If it is dripping then it is likely that the flue is sitting straight through the wall. Over time a nice …Get Price

  • What is a condensing boiler? - Quora

    Answer (1 of 4): A condensing boiler can condense the water vapour in the flue gases and withstand the corrosive and acidic qualities of the flue gas condensate. Although most boilers can condense the flue gasses, only boilers that have heat exchangersGet Price

  • What is a Condensing Boiler and How Does it Work?

    However, in condensing boilers, heat from flue gasses being burned is recovered and recycled, helping you to heat your home for less. In a traditional boiler, flue gases are often released that are in excess of 300 degrees C.Get Price

  • Why does the condensate boiler exhaust pipe need to be pitched?

    2013/11/26 · the condensate, water in the flue gas, needs to be able to drain out of the pipes. if there is no, little or wrong direction of slope it will not drain. if it does not drain it, as stated, can cause the pipe to, in essence be blocked and not allow flue gases to flow and theGet Price

  • What is a condensing boiler? Why they don't condense

    How Do Condensing Boilers Work. A boiler uses either gas or oil fuel to burn. When you ignite the boiler, it conveys heat from the burner into a primary heat exchanger. The hot air inside the heating system builds up the temperature for as long …Get Price

  • Where should a condensing boiler be installed? – …

    Does a condensing boiler need a flue? The regulations and guidelines for boiler flue siting have changed significantly since condensing boilers were made compulsory in 2005. If the flue goes through the roof (a vertical flue) rather than a wall (horizontal flue) …Get Price

  • Do condensing boilers need a flue?

    Score: 4.9/5 (72 votes) The flue is simply a piece of pipework or duct that moves gases and hot air from the combustion chamber of the boiler to outside. 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. Get Price

  • Does a new boiler need a new flue? - TreeHozz.com

    4.6/5 (41 Views . 24 Votes) Yes, you do need to replace the flue when replacing any boiler even if the same brand. This is to keep it in line with manufacturers specifications and Building regulations. The washers on the combustion side of the flue (inner section) perish over time and can leak and cause damage to the rest of the flue.Get Price

  • What is a Condensing Boiler and How Does it Work?

    However, in condensing boilers, heat from flue gasses being burned is recovered and recycled, helping you to heat your home for less. In a traditional boiler, flue gases are often released that are in excess of 300 degrees C.Get Price

  • What is a Boiler Flue and How Do They Work? | Ideal Heating

    2020/6/25 · Condensing boilers are up to 50% more expensive to buy and install than conventional types in the UK and the US. as the cooler flue gases produce condensate, this needs to be drained, and so the boilers are plumbed into a waste or drain. Find out everything you need to know about it here.Get Price

  • Guide to oil boiler types, positioning and flues

    A standard boiler gives off waste gases through a flue and into the atmosphere at a high temperature of over 200 degrees, where this is significantly reduced in a condensing boiler. The heat input is pretty much the same at about 250 to 350 degrees, but a condensing boiler has a much more efficient way of working compared to other types.Get Price

  • What is a Condensing Boiler and How Does it Work?

    Does a condensing boiler need a flue? The regulations and guidelines for boiler flue siting have changed significantly since condensing boilers were made compulsory in 2005. If the flue goes through the roof (a vertical flue) rather than a wall (horizontal flue) …Get Price

  • Boiler Flues - Ultimate Guide with Boiler Flue Regulations | Boiler …

    Location. 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.Get Price

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