6.5 Air supply/flue gas outlet connections
6.5.1 Classification
Important
The installer is responsible ensuring that the right type of flue
gas outlet system is used and that the diameter and length are
correct.
Always use connection materials and roof terminal supplied by
the same manufacturer. Consult the manufacturer for
compatibility details.
Tab.13 Types of flue gas connections
Type Principle Description
Permitted manufacturers
(1)
B
23
B
23P
Room-ventilated version
Without down-draught diverter.
Flue gas discharge via the roof.
Air from the installation area.
Connection material and roof
terminal:
Centrotherm
Cox Geelen
Muelink & Grol
Natalini
Poujoulat
Skoberne
Ubbink
B
33
Room-ventilated version
Without down-draught diverter.
Joint flue gas discharge via the roof, with guar
anteed natural draft. (at all times underpressure
in the joint discharge duct)
Flue gas discharge rinsed with air, air from the
installation area (special construction).
Connection material:
Centrotherm
Cox Geelen
Muelink & Grol
Natalini
Poujoulat
Skoberne
Ubbink
C
13(X)
Room-sealed version
Discharge in the outside wall.
Inlet opening for the air supply is in the same
pressure zone as the discharge (e.g. a com
bined outside wall feed-through).
Parallel not permitted
Outside wall terminal and con
nection material:
Cox Geelen
Muelink & Grol
C
33(X)
Room-sealed version
Flue gas discharge via the roof.
Inlet opening for the air supply is in the same
pressure zone as the discharge (e.g. a concen
tric roof feed-through).
Roof terminal and connection
material
Centrotherm
Cox Geelen
Muelink & Grol
Natalini
Poujoulat
Skoberne
Ubbink
6 Installation
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