Flue Gas Temp
at Spigot
Flue
Gas
Mass
Flow
Flue Diameter
Ventilation
Required
Without Draught
Stabiliser
Ventilation
Required With
Draught
Stabiliser
402
o
c
3.9g/s
(wood)
125mm
House built
before 2008
None 1500mm
2
9.7g/s
(ancit) 5 inches
House built
after 2008 2750mm
2
4250mm
2
As tested to the requirements of EN13240 for intermittent use
Fuel
Output
(kW)
Cycle (hours)
Anthracite 4.5 1.14
Wood Logs (below
20% moisture) 4.9 0.75
Coal (E) 4.3 4
Peat (E) 4.7 2
Closed Fire
Briquettes 4.6 4
Please note that HETAS Ltd Appliance Approval
only covers the use of Manufactured and Natural
Smokeless fuels and Wood Logs on this appliance.
HETAS Ltd Approval does not cover the use of
other fuels either alone or mixed with the
recommended fuels listed, nor does it cover
instructions for the use of other fuels.
Outputs stated are under ideal test conditions. Variations will occur due to installation, atmospheric
conditions and fuel quality
(E) - estimate calculated
Essential characteristics Performance
Test Fuel Beech
Anthracite
Fire Safety Pass
Pass
Emission of combustion
products related to 13% O
2
CO:0.11 vol%
Dust: 73mg/m
o
3
No
x
: 98 mg/m
o
3
C
x
H
y
:
183mg/m
o
3
CO: 0.17
vol%
Dust: 86
mg/m
0
3
Surface Temperature Pass
Pass
Thermal output 4.9kW
4.5kW
Efficiency 78.10%
73.40%
Release of dangerous
substances Pass
Pass
STOVE A B C D E F G
ESSENCE
405 542 195 125 101 425 359
QADRICAL
423 492 194 125 100 372 347
IMPERIAL
420 541 194 125 100 420 354
PRINCIPAL
423 492 194 125 100 372 347
Recorded Test Results
TheCleanAirAct1993andSmokeControlAreas
UndertheCleanAirActlocalauthoritiesmaydeclarethewholeorpartofthedistrictoftheauthoritytobea
smokecontrolarea.Itisanoffencetoemitsmokefromachimneyofabuilding,fromafurnaceorfromany
fixedboileriflocatedinadesignatedsmokecontrolarea.Itisalsoanoffencetoacquirean"unauthorised
fuel"forusewithinasmokecontrolareaunlessitisusedinan"exempt"appliance("exempted"fromthe
controlswhichgenerallyapplyinthesmokecontrolarea).
TheSecretaryofStateforEnvironment,FoodandRuralAffairshaspowersundertheActtoauthorise
smokelessfuelsorexemptappliancesforuseinsmokecontrolareasinEngland.InScotlandandWalesthis
powerrestswithMinistersinthedevolvedadministrationsforthosecountries.Separatelegislation,the
CleanAir(NorthernIreland)Order1981,appliesinNorthernIreland.Thereforeitisarequirementthatfuels
burntorobtainedforuseinsmokecontrolareashavebeen"authorised"inRegulationsandthatappliances
usedtoburnsolidfuelinthoseareas(otherthan"authorised"fuels)havebeenexemptedbyanOrdermade
andsignedbytheSecretaryofStateorMinisterinthedevolvedadministrations.
Furtherinformationontherequirement softheCleanAirActcanbefoundhere:
http://smokecontrol.defra.gov.uk/
YourlocalauthorityisresponsibleforimplementingtheCleanAirAct1993includingdesignationand
supervisionofsmokecontrolareasandyoucancontactthemfordetailsofCleanAirActrequirements”
TheImperial,Essence,PrincipalandQadricalstoveshavebeenrecommendedas
suitableforuseinsmoke
controlareaswhenburningdrywoodandanthracit e
andfittedwithamechanicalstoptopreventsecondary
aircontrolclosurebeyondthe50%openposition.
Weight: Essence 81Kg Imperial/Principal/Qadrical (body only) 75Kg
Max Fuel Load: 5.33Kg (Anthracite)
Flue Draught: Min.12Pa, Max. 25Pa
Please refer to BS EN 15287-1:2007 Installation and commissioning of chimneys
*allmeasurementsinmm
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