Gas stoves for conventional flues (nog herschrijven)
If you are going to buy a gas stove for conventional flues, then you will need a functioning chimney which is fitted with a flue. This is because this type of gas stove expels exhaust gases using a flue.
If you’ve bought one of these gas stoves but don’t have a chimney, you will need to fit a twin wall system. A twin wall system is essentially a quick and easy way of making a new chimney for your stove. These systems feature insulation which will protect your home from the heat in the chimney, as well as improving the performance of the chimney.
A balanced flue gas stove requires you to have two pipes fitted to the outside of your home. One pipe draws in fresh air, whilst the other expels waste fumes. Like flueless gas stoves, balanced flue gas stoves are highly efficient.
A regular gas stove does need a chimney or flue. As gas doesn’t produce any heavy smoke, as a wood burning stove would, they don’t require you to have a Class 1 brick chimney – though they usually can be installed into one of these without any issues.
You will, however, usually need at least a Class 2 Prefabricated chimney. Your gas stove should specify what size diameter flue is required in order for you to install it. This is usually 5 inches, though you should always check before you buy one.
If you don’t have a suitable chimney, you may well have heard about balanced flue gas stoves.
These don’t require you to have an existing chimney, but they do require you to install their own special type of flue called a balanced flue. Some balanced flue gas stoves come with the required flue parts, while others require you to buy them separately.
In most cases, installing a balanced flue is easy. They can be fit horizontally through almost any external wall. If you only have internal wall space to put your stove against, you might still be able to fit one – it will just take some extra work.
A balanced flue is often associated with fireplaces, but did you know you can also get a balanced flue stove?
Balanced flue gas stoves are very popular with homes without chimneys. They are designed for use with gas only, not solid fuel, and require much less work.
To install one, a twin wall pipe is fit horizontally through an external wall. This is different from the twin wall pipe you would use to fit a log burner. Instead of being wrapped in insulation, a balanced flue twin wall pipe has a two-way air flow; the inner tube pushes out the waste fumes, while the outer tube pulls in fresh air to help the flame burn.
This is also different to a regular gas stove. These require you to have a properly functioning class 1 or class 2 chimney, depending on the requirements of the stove. For these, air is pulled in from the room and expelled into the chimney cavity.
With a balanced flue, this whole process is sealed off from the room. No air is needed from the room and the waste fumes are deposited straight outside, minimising heat loss and improving efficiency.
Balanced flues work in conjunction with Gazco’s Glass Fronted gas stoves or fires. The appliance is completely sealed from the room into which it is installed (so there are no draughts and heating efficiency is increased) and a twin-wall pipe vents directly to an outside wall.
Air for combustion is drawn in through the outer pipe whilst the inner pipe removes the combustion gases to the exterior of the property.
Depending on the stove or fire selected, the twin-walled pipe may exit horizontally through an external wall or vertically through the roof.
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