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IH (NA) R4 201102
A flue stabilizer can be fitted to reduce the draught through the appliance if the
draught may exceed 25Pa. The flue stabiliser should be fitted in the same room
as the appliance and be the same size as the flue pipe. Consult building
regulations regarding additional ventilation.
A fan flue booster can also be fitted if the flue draught is poor. This should be
fitted according to the instructions supplied with the booster. An electrical
supply will be needed.
Low flue draught symptoms: difficult to light and smoke coming into room
CAUSE
REMEDY
Cold chimney
Line the Chimney
Chimney too short
Extend the chimney
Down draught
Relocate/extend chimney terminal. Fit an
anti-down draught cowl
Chimney diameter too large
Line the chimney
Chimney obstruction
Clear/sweep the chimney
Restricted air supply
Check for competing draughts (other
Chimneys, extractor hoods/fans). Fit an air
vent if the room is sealed.
High flue draught symptoms: fire difficult to control, fuel will not last, stove
too hot, stove damage, chimney fire
CAUSE
REMEDY
External wind conditions
combined with chimney
terminal
Fit stabiliser cowl
Fit flue draught stabilizer
Summary of Contents for Ironheart EW
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