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2.1 Additional ventilation is required to comply with the
requirements of the Building Regulations. This must be
provided using a permanently open air vent, of the size
listed, which is positioned so that it is not liable to be
blocked both inside and outside the building.
2.2 Extractor fans or cooker hoods must not be placed in the
same room or space as this can cause the appliance to emit
fumes into the room.
2.3 If any of these checks reveal problems do not proceed
with the fitting of the appliance until they have been
rectified.
2. ADDITIONAL VENTILATION
PRE-INSTALLATION CHECKS
mm
2
NONE 1650mm
2
1650mm
2
1650mm
2
2475
mm
2
Additional Ventilation
cm
2
NONE 16.5cm
2
16.5cm
2
16.5cm
2
24.75cm
2
in
2
NONE 2.56in
2
2.56in
2
2.56in
2
4.00in
2
Riva 40
Riva 55
Riva 66
Riva 66 Avanti
Model
Riva 40-RV 40/RV40B
Riva 55-RV 55/RV55B
Riva 66-RV 66/RV66B
Riva 66 Avanti-RV66 AVC
Riva 66-RV76/RV76B
Riva 76