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1.5 the chimney
Only if National or Local Regulations permit are you permitted to connect a stove into a chim-
ney that is shared by another appliance. YOU MUST be aware of any applicable Regulations
in this respect.
The wood-burning stove must never been connected to a chimney to which a gas-burning
stove or appliance is connected.
An efficient modern stove places heavy demands on the chimney, and you should have the
chimney regularly swept and inspected by your approved chimney sweep.
The cross-sectional area of the chimney (at its narrowest point) must comply with National
and Local Building Regulations. Generally, the area needed for a Morsø wood-burning stove
installation should measure at least 75 cm (50 mm diameter).
An over-sized chimney is generally hard to keep warm and results in poor draft. In cases
where there is an oversized masonry chimney, it is recommended that the chimney be lined
using an appropriate chimney lining system with the correct internal diameter.
With respect to the chimney termination, all chimneys should terminate in accordance with
National and Local Building Regulations.
Note that National and Local Regulations also apply with regard to the placement of chim-
neys and flues in connection with thatched roofs. See the section on Draft Conditions, .9.
The chimney or flue system must be equipped with access doors for inspection and cleaning.
The size of the cleaning door in the chimney must at least equal to that of the cross-sectional
area of the chimney.
In the event that a chimney fire occurs resulting from faulty operation or prolonged use of
damp wood fuel, close the air vents completely and contact your local fire department im-
mediately.
1.6 Connecting the stove to a masonry chimney
A flue bushing is bricked securely into the wall, and the stove pipe is inserted into it. The pipe
must not extend into the actual chimney opening, but rather must reach only to the inside of
the chimney aperture. The stove/pipe and pipe/wall bushing joints must be sealed with the
glass tape provided. It is not normally necessary to seal between any pipe joints.
If the flue transitions from horizontal to vertical, it is helpful to install it with a gentle bend so
as to avoid loss of draught.
The flue must be dimensioned in accordance with national and local regulations. Morsø rec-
ommends, however, that flues be made of mm sheet steel, as this will extend the service
life of the flue.
