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7.4 Siting the flue terminal
1.
The flue terminal must be located in a suitable position, as
shown in Fig 10, such that products of combustion can be freely
dispersed without the possibility of flue gases entering dwelling
or that of a neighbouring dwelling.
2. Discharge of flue gases into carports or narrow passageways
is not recommended.
3. The terminal must not cause obstruction nor the discharge
cause a nuisance as a result of either flue gases or terminal
noise.
4. If the terminal is fitted within 1 m of a plastic or painted
gutter or within 500 mm of painted eaves then an aluminium or
stainless steel shield at least 1 m long should be fitted to protect
the surface.
5. If a terminal is fitted less than 2 metres above a surface to
which people have access, fit a terminal guard as shown in Fig 11.
A suitable guard is available from Worcester Heat Systems, Part
number 7 716 190 009, or alternatively a proprietary terminal
guard may be used provided it has the minimum dimensions
shown in Fig 11. The guard should have suitable corrosion
resistance due to the acidic content of the flue gases.
6. The terminal guard must be evenly spaced about the flue
terminal and secured using screws, to allow access to the flue
terminal.
7. In certain weather conditions a terminal may steam and
siting where this could cause a nuisance should be avoided .
8. Take care to ensure that combustion products do not enter
ventilated roof voids.
Fig. 11. Terminal guard Minimum dimen-
265
280
280
Terminal guard.
See 7.4.5.
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