Location
The boiler can be installed on any suitable internal wall.
Provision must be made to allow the correct routing of the
flue and siting of the terminal to allow the safe and efficient
removal of the flue products. The appliance may be
installed in any room, although reference must be made to
the IEE regulations if it contains a bath or shower. A
compartment or cupboard may be used provided that it has
been purpose-built or modified for the purpose. Provision
must be made for permanent ventilation. Detailed
recommendations are given in BS 5440 pt 2. If it is
proposed that it is installed in a timber framed building then
reference must be made to British Gas Document DM2, or
advice sought from CORGI.
Flue
The boiler must be installed so that the flue terminal is
exposed to the free passage of external air at all times. It
must not be allowed to discharge into another room or
space such as an outhouse or closed lean-to. The
minimum acceptable clearances are shown below:
- A Directly below an opening, window, etc
300 mm
- B Below gutters soils pipes or drain pipes
75 mm
- C Below eaves
200mm
- D Below balconies or car port roof
- E From a vertical drain pipe or soil pipe
- F From an internal or external corner
300 mm
- G Above ground roof or balcony level
300 mm
- H From a surface facing the terminal
600 mm
- I From another terminal facing the terminal
600 mm
-J From an opening into the dwelling when
under a car port
1200 mm
- K Vertically from a terminal on the same wall
1500 mm
- L Horizontally from a terminal on the same wall
300 mm
- M fixed by the flat roof ubbink rolux 4GM flue terminal
- N fixed by a pithed roof ubbink rolux 4GM flue terminal
200 mm
75 mm
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