110MM HUNTER AIR ADMITTANCE VALVE WS450

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Product Ref: 223FBM

Hunter Plastics 110mm WS450 Air Admittance Valve.


For soil stack applications. BBA approved. Colour: White


The importance of allowing air to enter any soil or waste system should never be overlooked during design and/or installation. The result of poor ventilation is most commonly the siphonic removal of water seals from traps, causing the unpleasant gurgling noise and allowing foul odours to enter living space.


System Benefits


  • Prevents drainage system siphonage

  • Maintains essential water seals