Flap valves are fitted to the end of a pipe allowing water to flow out but preventing anything from flowing back in.

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    Drainage Flap Valve / Anti flood valve - 110mm

    Drainage Flap Valve / Anti flood valve – 110mm

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    £29.99 £35.99 Inc. VAT
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    110mm - Universal Backwater Valve for concrete wells

    110mm – Universal Backwater Valve for concrete wells

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    £49.99 £59.99 Inc. VAT
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    Water Rodent and Vermin Non return valve - 110mm

    Water Rodent and Vermin Non return valve – 110mm

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    £56.00 £67.20 Inc. VAT
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    Watertight Non Return Valve / Anti Flood Valve - 110mm - for plastic pipe

    Watertight Non Return Valve / Anti Flood Valve – 110mm – for plastic pipe

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    £54.99 £65.99 Inc. VAT
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    Watertight Non Return Valve / Anti Flood Valve - 110mm - for clay, salt glazed or concrete pipe only

    Watertight Non Return Valve / Anti Flood Valve – 110mm – for clay, salt glazed or concrete pipe only

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    £56.99 £68.39 Inc. VAT
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    110mm - Universal Backwater Valve with removable flap for plastic chambers

    110mm – Universal Backwater Valve with removable flap for plastic chambers

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    £63.99 £76.79 Inc. VAT
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    110mm - Universal Backwater Valve with removable flap for concrete chambers

    110mm – Universal Backwater Valve with removable flap for concrete chambers

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    £63.99 £76.79 Inc. VAT
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    Drainage Flap Valve / Anti Flood Valve - 160mm

    Drainage Flap Valve / Anti Flood Valve – 160mm

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    £37.99 £45.59 Inc. VAT
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    Water Rodent and Vermin Non return valve - 160mm

    Water Rodent and Vermin Non return valve – 160mm

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    £99.00 £118.80 Inc. VAT
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    Watertight Non Return Valve / Anti Flood Valve - 160mm - for plastic pipe

    Watertight Non Return Valve / Anti Flood Valve – 160mm – for plastic pipe

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    £67.99 £81.59 Inc. VAT
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    160mm - Universal Backwater Valve for concrete wells

    160mm – Universal Backwater Valve for concrete wells

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    Delivery on this item is approximately 3 weeks.

    £59.99 £71.99 Inc. VAT
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    160mm - Universal Backwater Valve with removable flap for concrete chambers

    160mm – Universal Backwater Valve with removable flap for concrete chambers

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    Delivery on this item is approximately 3 weeks.

    £79.99 £95.99 Inc. VAT
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    160mm - Universal Backwater Valve with removable flap for plastic chambers

    160mm – Universal Backwater Valve with removable flap for plastic chambers

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    Delivery on this item is approximately 3 weeks.

    £80.99 £97.19 Inc. VAT
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    Drainage Flap Valve / Anti Flood Valve - 200mm

    Drainage Flap Valve / Anti Flood Valve – 200mm

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    £55.99 £67.19 Inc. VAT
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    Underground Drainage - Ecoflap B 100mm Flap Valve

    Underground Drainage – Ecoflap B 100mm Flap Valve

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    £99.00 £118.80 Inc. VAT
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    Underground Drainage - Ecoflap B 150mm Flap Valve

    Underground Drainage – Ecoflap B 150mm Flap Valve

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    £109.00 £130.80 Inc. VAT
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    Underground Drainage - Ecoflap B 200mm Flap Valve

    Underground Drainage – Ecoflap B 200mm Flap Valve

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    £119.00 £142.80 Inc. VAT
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    Underground Drainage - Multi-N 200mm Flap Valve

    Underground Drainage – Multi-N 200mm Flap Valve

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    £219.00 £262.80 Inc. VAT
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    Underground Drainage - Multi-NB 200mm Flap Valve

    Underground Drainage – Multi-NB 200mm Flap Valve

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    £249.00 £298.80 Inc. VAT
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    Underground Drainage - Multi-N 250mm Flap Valve

    Underground Drainage – Multi-N 250mm Flap Valve

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    £245.00 £294.00 Inc. VAT
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    Underground Drainage - Multi-NB 250mm Flap Valve

    Underground Drainage – Multi-NB 250mm Flap Valve

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    £295.00 £354.00 Inc. VAT
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    Underground Drainage - Multi-N 300mm Flap Valve

    Underground Drainage – Multi-N 300mm Flap Valve

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    £309.00 £370.80 Inc. VAT
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    Underground Drainage - Multi-NB 300mm Flap Valve

    Underground Drainage – Multi-NB 300mm Flap Valve

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    £364.00 £436.80 Inc. VAT
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    Underground Drainage - Multi-N 400mm Flap Valve

    Underground Drainage – Multi-N 400mm Flap Valve

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    £389.00 £466.80 Inc. VAT