3. The flue liner should be of 125mm (5”) diameter
rigid or flexible (preferably rigid) stainless steel
class 1 or class 2 flue liner that complies with
B.S. 4543 Part 1 & 3).
4. The flue should be secured at the top and bot-
tom of the chimney using support collar and
sealed using closure clamping plates.
5. Any gap between the flue liner and chimney
should be filled with insulation or flue lagging.
6. A suitable flue terminal such as an OH cowl,
should be fitted to the flue liner and the exit from
the chimney pot.
USE OF EXTERNAL FLUES
When connecting the stove to an external flue, the
flue system must adhere to the following require-
ments (See Fig.12):
Fig.11
9
Flue Liner
Support Collar
Stainless Steel
Flue Liner
Level & Stable
Supporting Hearth
Soot Box &
Cleaning Door
150mm
Max.
Register Plate
Preventing The
Escape of Heat
All Voids Between
Liner & Chimney
Filled With Insulation
OH Cowl
USE OF INTERNAL FLUES OR CHIMNEYS
When connecting the stove to an existing chimney or
internal flue the flue system must adhere to all the fol-
lowing requirements (See Fig.11):
1. The horizontal flue section exiting the stove
must not exceed 150mm (6”).
2. A soot collection box should be fitted below the
lowest point of the flue system, so as to prevent
the build-up of soot from inhibiting the flow of
the flue gas products from the stove. The col-
lection box should be fitted with a cleaning door
that is accessible behind the stove during ser-
vicing.
Fig.12
Flue Support
Bracket
OH Cowl
Double Skinned
Flue Pipe
Soot Box &
Cleaning Door
Sufficient Clearance
Behind Stove for
Maintenance
Level & Stable
Supporting Hearth
2.3m
1. The horizontal flue section exiting the stove
must not exceed 150mm (6”).
2. A soot collection box should be fitted below the
lowest point of the flue system, so as to prevent
the build up of soot from inhibiting the flow of
flue gas products from the stove. The collec-
tion box should be fitted with a cleaning door
that is accessible at all times.
Fig.10
Rear Flue Outlet
Top Flue Outlet