McAlpine 1 1/4" Self Closing Valve MACVALVE-1

Self Closing Waste Valve - Loose Nut x Compression
£26.30 per item
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  • Chelmsford: 0


Self Closing Waste Valve - Loose Nut x Compression

  • BSP female inlet nut x universal compression outlet
  •  Membrane opens under water pressure to allow discharge to flow freely and then closes to form a seal to prevent foul odour or sewer gas entering the building
  •  Can be fitted in horizontal or vertical position
  •  Can be fitted in installation where a non-return valve can be of benefit to the plumbing installation
  •  No water seal so it can never dry out through evaporation or lack of use of an appliance as the membrane remains sealed
  •  Not recommended for use with shower trays unless there is access for maintenance
  •  Patent Pending
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SupplierRobert Lee London Ltd