2. ADDITIONAL VENTILATION
2.1Open 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.
2.2Extractor fans or cooker hoods should not be placed in the same room or space as the appliance.
2.3If any of these checks reveal problems do not proceed with the fitting of the appliance until they have been rectified.
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| 16" Riva Open | 22" Riva Open | 24" Riva Open | 26" Riva Open | 28" Riva Open |
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| mm2 | 14400 | 16538 | 19215 | 21735 | 21735 |
Additional Ventilation | cm2 | 144 | 165 | 192 | 217 | 217 |
| in2 | 22.32 | 25.63 | 29.78 | 33.69 | 33.69 |
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