Stovax Riva Open Log Burning Convector Fireboxes - Manual (Page 18)

2.2 Extractor fans or cooker hoods should not be placed in the
same room or space as the appliance.
2.3 If any of these checks reveal problems do not proceed
with the fitting of the appliance until they have been
rectified.
2.1 Open appliances require additional ventilation to comply
with the requirements of the Building Regulations. This
should 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.
Model
Additional Ventilation
mm2 14400 16538 19215 21735 21735
cm2 144 165 192 217 217
in2
22.32 25.63 29.78 33.69 33.69
16"
Riva
Open
22"
Riva
Open
24"
Riva
Open
26"
Riva
Open
28"
Riva
Open
2. ADDITIONAL VENTILATION
PRE-INSTALLATION CHECKS
18