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Flood Angel 50mm Backwater Valve
Flood Angel 50mm Backwater Valve

SKU: 4-00-fa005

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Price per Unit (piece): £43.50 + VAT

Key Features

  • Fit and Forget - Offers peace of mind, once product is fitted virtually maintenance free
  • Easy Installation and operation
  • Auto Closes - The Backwater Valve uses the power of the flood to close itself. Once waters levels decrease the Valve re-opens
  • Operates fully automatically, no external power supply needed.
  • Ideal solution where a Non-Return Valve is not suitable
  • Resistant to hot waster water and harmful effect chemicals
  • Maintains full flow capacity of the sewage system
  • Permits temporary blocking of wastewater flow
  • 2 year guarantee

Code for Sustainable Homes Credits

This flood deference system can contribute in gaining your Sur2 Flood Risk credits when incorporated into a correctly specified flood control system. (Site and system specific)


  • Connection Diameter - 50mm
  • Weight - 0.15g
  • Max Operating Temp - 95 °
  • Max Opertating Pressure - 90.5 bar
  • Product constructed from high quality polypropylene, a very durable that is very resistant
  • Height - 121mm
  • Width - 78mm
  • 2 year Manufactures Guarantee


  • Manufactured with high-quality polypropylene (PP), resistant to the aggressive effects of household chemicals and hot water
  • Cover mounting bolts: chromium-nickel stainless steel of OH18N9 type
  • Cover and flap gaskets: EPDM rubber with improved resistance to weather factors and ageing
  • Flow cut-off flap: with chrome-nickel guard

An anti-flooding device protecting interiors from flooding caused by backflow of sewage. Such risk exists most frequently in sanitary drain systems connected to combined and other sewage systems.

The 50mm backwater valve is an ideal anti-flooding device for protecting interiors from flooding caused by backflow of wastewater in all drainage-related systems such as washing basins, kitchen sinks, shower bases and dishwashing machines.

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