19
We will either send replacement parts or nominate a regional engineer to inspect the
appliance and carry out any remedial work that may be required.
If the fault or problem is not due to faulty manufacture but some other cause such as:-
Misuse, failure to install correctly, failure to service at regular intervals, a charge will be
made to cover the cost of the visit and any new parts required.
G
G
L
L
O
O
S
S
S
S
A
A
R
R
Y
Y
O
O
F
F
T
T
E
E
R
R
M
M
S
S
.
.
Downdraught.
A wind effect creating a situation where air is being either blown or sucked
down the flue pipe.
Chimney vacuum.
The negative pressure, which the chimney system is able to generate.
Class 1 Appliances.
Wood and solid fuel burning appliances where the flue gas
temperatures are expected to exceed 260 deg C.
Combustible materials
. Any liquids, vapours or materials in close proximity to the appliance,
which can easily ignite with the application of heat or flame.
Thermostat.
A device for controlling temperature.
Multi fuel stove.
A stove which can accommodate all the combustion and other technical
requirements of wood, coal and smokeless fuel burning.
Volatiles.
Combustible entrapped components of hydrocarbon fuel.
Kettling.
Hissing noise like that issued from a kettle just before it reaches boiling point.
Gravity system.
Term used to describe a central heating system through which hot water
will flow, without the use of a circulating pump.
Pumped system.
Term used to describe a central heating system through which hot water
is forced to flow, by the action of an electrically operated circulating pump.
Pressure relief valve.
A device designed to allow the release of pressure which may build
up in the hydraulic circuitry due to excessive temperature.
B
B
I
I
B
B
L
L
I
I
O
O
G
G
R
R
A
A
P
P
H
H
Y
Y
BS
5839-6,
F
ir
e
detection
and fire alarm
systems for buildings
–
P
a
r
t
6
:
Code
of
p
r
a
c
t
ic
e
for the design, installation
and
maintenance of fi
r
e
detection
and fire
alarm
systems
in
d
we
lli
ng
s
BS
8423,
F
ir
e
gu
a
r
d
s
for
fires and
heating appliances for
dom
e
s
t
ic use
For approved fuels see
www.uksmokecontrolareas.co.uk
For details of registered installers see
www.hetas.co.uk
S
S
P
P
E
E
C
C
I
I
F
F
I
I
C
C
A
A
T
T
I
I
O
O
N
N
BS
EN 14604,
Smoke
alarm
d
e
v
ic
e
s
BS
EN 50291,
E
l
e
c
t
ric
a
l
apparatus for the detection of c
a
r
bon
monoxide
in
domestic premises
–
Test methods
and
p
e
r
f
o
r
m
a
n
c
e
r
e
qu
ir
e
m
e
n
t
s
BS
EN 12828,
Heating systems
in
buildings
– Design
for water-based
heating
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