Technical data
13
STRATA2
flueing possibilities
single boiler room sealed
concentric flue
with horizontal discharge
flueing possibilities
typical room sealed flue
installations - single boiler
flueing possibilities
room sealed flue installation
serving multiple boilers,
where air from combustion is
taken from annular space in
brick chimney
Note: Whereas no ventilation is required for
combustion air when boiler is room sealed,
consideration must be given to general boiler
plant room cooling and it is recommended to
ventilate to provide:- 4.5cm/kW input at
both high and low level direct to outside.
Room
Sealed
Concentric
Room Sealed
Separate Air and
Flue Gas Tubes
1200
min
Note: Whereas no ventilation is required for
combustion air when boiler is room sealed,
consideration must be given to general boiler
plant room cooling and it is recommended to
ventilate to provide:- 4.5cm/kW input at
both high and low level direct to outside.
Air Air
Fall on Flue 3°
Towards Boilers
Inspection
Access
flue system layouts
4.3 flue options & terminal position (contd)
Fig 4.3b
Fig 4.3c
Fig 4.3d










