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10.6
Type according EN 15502-2-1: 2012
B23(P)
Air
Inlet
C53
Flue
outlet
WATER HEATER CATEGORIES - TYPES OF FLUE GAS SYSTEMS.
Performance
Open
Flue
Air supply from
Outlet
room
Vented
area
Closed
Air supply from
outside
Air
inlet
Description
* Roof terminal
* Without draught diverter
* Water heater room air supply.
* P = overpressure systems
Be aware: The installation room has to have sufficient air
supply vents. These vents must be open and
may not be closed or blocked.
Requirements at NEN 3028 paragraph 6.5
Use table 10.11 to select the correct flue items.
*Separate air supply duct
*Separate flue gas discharge duct.
* Air supply inlet and flue gas outlet at different air
pressure zones. But not at opposite walls.
Use table 10.9 to select the correct flue items
21
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