230 x 90mm draught reducing background ventilator suitable for continuous (DMEV, CMEV) and Intermittent ventilation systems made from High Impact Polystyrene. Not for use with MVHR systems. Background ventilators offer a complete solution for natural ventilation providing the effective ventilation that is required in a dwelling and are ideally suited to the airtight construction of new homes.
KIT OF PARTS:
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124 x 270mm white internal grille
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285mm flat channel duct
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230 x 90mm white draught reducing cowl
KEY FEATURES:
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Provides constant, natural ventilation
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Helps prevent damaging condensation
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No energy consumption or running costs
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Ideal for intermittent and continuous extract systems
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Contributes to the circulation of fresh, natural air
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Suitable for new homes and retrofit
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Equivalent area of 3370mm2
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Complies with Building Regulations Part F Volume 1: Dwellings - Background Ventilators
INSTALLATION:
No special fixing is required. Build in the cavity liner with fitted air brick as work proceeds. Fasten the external ventilator using mastic, and internal ventilator using screws. To comply with Building Regulations Part F the ventilator should be sited not less than 1.7m above floor level.
