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Making the most of your Surefire gas fire.
Thank you very much for buying the Surefire gas fire, you now own the most efficient flued gas
fire in the world. To ensure you get the most from your fire and to understand its operation,
please read the information below. It has taken Burley Magiglo nearly four years to develop
the numerous unique features used in this fire, the technology is so advanced that this fire is
the subject of five pending patents, so it is not the same as fires you may have previously
owned.
Why the Surefire is so Efficient, 94.7%.
Making the most of the gas, burning the gas completely, extracting the maximum amount of
heat before the hot gases leave the fire, and minimising the heat loss from your house.
Making the Most of the Gas
The Surefire only uses a tiny amount of gas, just 2.5kWh or around 10 pence per hour. This is
the same amount of gas as the smallest ring on a gas cooker, yet it will warm your house
more than a 7kW conventional gas fire. The gas is burnt through a specifically designed
burner and coal bed which has been designed to glow as much as possible. This red glow is
heat being taken from the burning gas and being converted to radiant heat.
Glass
Radiant heat is the warmth you feel when you sit in front of the fire, the large glass screen and
the angled combustion chamber ensures this is used to its fullest advantage. Each time the
fire is started from cold the glass will mist over with condensation, this is normal, water vapour
is a by-product of combustion and the Surefire extracts so much heat this vapour condenses.
As the fire warms up the condensation will evaporate. Do not be surprised if you see small
amounts of steam exiting at the bottom edges of the glass.
Burning the Gas Completely.
After passing through the coals the combustion of the gas continues in the form of the small
yellower flames, these burn quite close to the fuel bed to prevent soot forming (which is lost
energy) and to allow the maximum time to heat the air inside the combustion chamber.
Catalytic Converter.
Finally, when exiting the combustion chamber, the gases pass through a catalytic converter.
The catalytic converter completes the combustion process by changing carbon monoxide to
carbon dioxide, releasing even more heat.
Extracting the Maximum Amount of Heat
The sides and top of the combustion chamber are made from an aluminium alloy. Aluminium
allows heat to pass through it twice as quickly as steel, so far more heat is extracted from the
hot gases inside.
The Inside of the combustion chamber has been designed to retain the hot gases for longer so
they have more time to give up their heat. They then pass into a duct which exits to the flue.
The combustion chamber and the duct have been designed to allow the air from your room to
flow between them, heating the air before it is returned to your room.
Fan
A fan is located in the back of the fire. This is connected to a thermal switch which turns the
fan on whenever the fire gets hot. The fan creates a coanda effect which enhances the flow of
air described above by forcing it more quickly past the back and sides of the combustion
chamber, extracting even more heat. The fan also causes the warm air to circulate around
your room, creating a more uniform warmth and helping to remove cold spots in the room.
Summary of Contents for Surefire FCC 16
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