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Gas
Fires FAQs
Frequently Asked Questions
FAQs:
CLASS 1 & MAGIGLO FIRES
Q.
When should I need a flue liner?
A.
Before 1966 solid fuel chimneys in the UK were conventionally
9" by 9" square, allowing adequate evacuation of smoke
and toxic gases. Theoretically, these chimneys are suitable
for the installation of Class 1 Gas Fires without additional
flue lining. However, if you have reason to believe that your
chimney may have deteriorated, or if it is very much older,
we would recommend having a stainless steel flue liner fitted
or using one of our MultiFlue Gas Fires.
Q.
Do I need an Air Brick for extra ventilation?
A.
In the EU, regulations require that gas fires with an input
of less than 7 kiloWatts (which includes most of our Inset Gas
Fires) do not require additional ventilation by way of air bricks
provided they are installed according to manufacturer's specification.
(Regulations may vary in countries outside the European Union
- please check). This assumes that rooms have "normal"
ventilation, but many modern homes have virtually sealed environments
(through double glazing, uPVC draught proof doors, draught-proofing,
no chimneys, etc), and you should consider fitting an air brick
in such an environment as an extra precaution.
Also, for gas fires whose input exceeds 7 kiloWatts, regulations
require the installation of air brick(s), at the rate of 5 sq.
cm of ventilation per additional kiloWatt over 7 kiloWatts.
One standard air brick is sufficient for our largest input gas
fire, (model CIF16), which is rated at 18 kiloWatts input.
We strongly recommend you consider fitting one of our revolutionary
"Black Hole" wall
ventilators.
Q.
Should I have my Chimney swept before installing an inset gas
fire?
A.
We most definitely recommend having your chimney swept before
installing a gas fire.
Q.
How can I find a Registered Gas Fitter in my area?
A.
Gas fitting is a skilled occupation, and should not really be
considered as a 'do it yourself' affair.You should use a CORGI
Gas Fitter. CORGI is the Council for Registered Gas Installers
(in the UK). CORGI fitters are highly qualified and are all
registered, and we advise you to use them. Beware of unregistered
gas fitters!
You can find a Corgi gas fitter near where you live by visiting
their website at http://www.corgi-gas-safety.com.
If you live in the USA or Canada you can look for a qualified
gas fitter by region in your local Yellow Pages.
FAQs:
CLASS 2 FIRES
Q.
What kind of Flue Liner do I need?
A. A
5 inch stainless steel liner is normal, but a PreCast Concrete
chimney is also suitable, provided it complies with British
Standards recommendations.
Q.
Do I need a Cast Back?
A.
A Cast Back, either in cast iron or ceramic, has many advantages,
not least the fact that it increases efficiency and heat output
into the room by deflecting heat that would otherwise go up
the chimney back into the room. Please note that some of our
fireplaces come complete with Cast Backs, and others do not
so that they need to be bought separately - please enquire if
you have any doubts.
FAQs:
MULTIFLUE GAS FIRES
Q.
Why do MuliFlue Gas Fires require no Cast or Ceramic backs?
A.
They are designed specifically to fit behind our Tiled and Arch
Insert Fireplaces in place of cast or ceramic backs. They will
also fit into most PreCast flue systems as well as Class 1 lined
and Class 1 unlined flues.
FAQs:
HIGH OUTPUT (HO) GAS FIRES
Q.
I have no chimney, how can I fit a gas fire?
A.
High Output PowerFlue model is a balanced flue that can be placed
through any external wall and requires no chimney. They are
therefore ideal for modern houses which conventionally do not
have fireplaces.
Q.
How do HO fires produce increased heat output?
A.
Conventional inset fires have always been more decorative than
practical, and most of the heat produced went straight up the
chimney. HO gas fires incorporate either a unique "closed
damper" system or a hot box to throw potentially wasted
heat back into the room, hence increasing the useful heat output.
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