125mm 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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165 x 165mm white internal grille
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Ø125mm x 285mm round rigid duct
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300 x 380mm 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 6449mm2
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Complies with Building Regulations Part F Volume 1: Dwellings - Background Ventilators
