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New Wade U705 Backwater Valve

New U704 Backwater Valve

26th November 2008

Wade U704 4" Backwater Valve to suit Gratings and Access Covers with 4" throat.

U704 4" Backwater Valve

We are pleased to announce an addition to our range of Vari-Level accessories, the new U704 backwater valve.

Designed to fit within our standard vari-level and direct connection gratings/access covers with a 4" throat, the new U704 backwater valve can also be installed in other fittings or pipework with a 100mm bore.


  • Made of stainless steel, with neoprene rubber seal ring and neoprene cup providing an excellent seal against back-flow.
  • Range of expansion enables fitting into bores between 99mm and 102mm diameter.
  • Stainless steel spring is tensioned to provide the optimum balance between drainage and backflow protection.

Display U704 Details Now!

Full Details

For full details of the U704, please click the link on the left to open our electronic catalogue.


  1. If U704 is used with some trapped gullies, then grating extensions will be required as follows:

    G2, G3, G5 & G6 series - use U102
    G8 & G10 series - use U104
    GD series - use U102
    GP series - use UP104

  2. When used with some 50mm and 75mm vertical outlet bodies an extension may be required dependant on position of membrane clamping collar and grating.

For More Information Contact:

Wade International Ltd.
Third Avenue, Halstead, Essex, CO9 2SX, UK
Tel: 01787 475151
Fax: 01787 475579

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