Technical Booklet K Ventilation·Page 20·2.5
Extract Ventilation Requirements for Wet Rooms and Kitchens
Extract ventilation to outside is required in kitchens, utility rooms, bathrooms, and sanitary accommodation, operating either intermittently or continuously at specified minimum air flow rates per Table 2.1.
Extract ventilation to outside is required in each kitchen, utility room, bathroom and sanitary accommodation. The extract can be either intermittent or continuously operating. The intermittent rate and the minimum extract air flow rates at the highest and lowest settings for continuous systems, should be not less than that specified in Table 2.1.
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