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    Below Ground Drainage

    Underground drainage systems play a crucial role in gravity drainage and sewage applications. At Pattrick & Thompsons in King's Lynn, we offer a comprehensive range of products designed for both foul and surface water drainage, including pipes and fittings.

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    315mm Dia Shallow Access Chamber Riser (185mm Invert) B3151

    315mm Dia Shallow Access Chamber Riser (185mm Invert) B3151
    Stock Availability: Out of stock
    £21.41 inc Vat

    315mm Dia. Shallow Access Chamber Lid (Pedestrian) B3153

    315mm Dia. Shallow Access Chamber Lid (Pedestrian) B3153
    Stock Availability: Out of stock
    £39.88 inc Vat

    315mm Dia. Shallow Access Chamber Sealed Lid (Driveway) 35kN B3154

    315mm Dia. Shallow Access Chamber Sealed Lid (Driveway) 35kN B3154
    Stock Availability: Out of stock
    £45.15 inc Vat

    Brett Martin Underground 110mm B1300 Drain Pipe Low Level P Trap Gully

    Brett Martin Underground 110mm B1300 Drain Pipe Low Level P Trap Gully - Designed to suit 110mm drainpipes, this Brett Martin Drain Pipe Low-Level P Trapped Gully will help ensure foul odours do not penetrate your underground drainage system and back towards your property. A body of water will sit beneath the gully outlet, forming a barrier against nasty smells.
    Stock Availability: Out of stock
    £11.99 inc Vat

    Underground 110mm B5001 Double Socket PVC (BS) Coupler

    Underground 110mm B5001 Double Socket PVC (BS) Coupler
    Stock Availability: Out of stock
    £5.21 inc Vat

    Underground 110mm B5001S Double Socket PVC Slip Coupler

    Underground 110mm B5001S Double Socket PVC Slip Coupler
    Stock Availability: Out of stock
    £10.00 inc Vat

    Underground 110mm B5121 Socket Plug

    Underground 110mm B5121 Socket Plug - Spare socket plug for sealing off 110mm and 160mm solid pipe and fittings
    Stock Availability: Out of stock
    £7.50 inc Vat

    Underground 110mm Drainage Square Hopper With 110mm Solvent Socket B1061

    Underground 110mm Drainage Square Hopper With 110mm Solvent Socket B1061
    Stock Availability: Out of stock
    £11.53 inc Vat

    Underground 110mm x 11¼° B4061 Double Socket Bend

    Underground 110mm x 11¼° B4061 Double Socket Bend
    Stock Availability: Out of stock
    £10.39 inc Vat

    Underground 110mm x 22½° B4051 Double Socket Bend

    Underground 110mm x 22½° B4051 Double Socket Bend
    Stock Availability: Out of stock
    £10.39 inc Vat

    Underground 110mm x 3m B4001 Plain End Pipe

    Underground 110mm x 3m B4001 Plain End Pipe provides a reliable solution for drainage systems. Measuring 3 metres in length and with a diameter of 110mm, this flexible pipe easily accommodates ground movement.
    Stock Availability: Out of stock
    £17.50 inc Vat

    Underground 110mm x 45° B4041 Double Socket Bend

    Underground 110mm x 45° B4041 Double Socket Bend
    Stock Availability: Out of stock
    £10.39 inc Vat

    Underground 110mm x 45° B4091 Triple Socket Branch

    Underground 110mm x 45° B4091 Triple Socket Branch is a high-quality product manufactured in the UK with strict adherence to quality standards. Its exceptional design includes a combined lip and compression seal that ensures secure jointing and prevents dislodgement, providing peace of mind and easy installation.
    Stock Availability: Out of stock
    £18.25 inc Vat

    Underground 110mm x 45° B5061 Single Socket Bend

    Underground 110mm x 45° B5061 Single Socket Bend
    Stock Availability: Out of stock
    £10.20 inc Vat

    Underground 110mm x 6m B4011 Plain End Pipe

    Underground 110mm x 6m B4011 Plain End Pipe provides a reliable solution for drainage systems. Measuring 6 metres in length and with a diameter of 110mm, this flexible pipe easily accommodates ground movement.
    Stock Availability: Out of stock
    £34.50 inc Vat

    Underground 110mm x 87 ½° B5041 Single Socket Bend

    Underground 110mm x 87 ½° B5041 Single Socket Bend
    Stock Availability: Out of stock
    £10.20 inc Vat

    Underground 110mm x 87½° B4031 Double Socket Bend

    Underground 110mm x 87½° B4031 Double Socket Bend
    Stock Availability: Out of stock
    £10.39 inc Vat

    Underground 110mm x 87½° B4081 Triple Socket Branch

    Underground 110mm x 87½° B4081 Triple Socket Branch size is a reliable and efficient solution for connecting two underground drainage systems. With its push-fit connection, it offers convenience and ease of installation. Crafted from robust and durable uPVC, this triple socket branch is not only sturdy but also lightweight, making it simple to handle during installation.
    Stock Availability: Out of stock
    £18.25 inc Vat

    Underground 110mm x 87½° B4131 D/S Rest Bend (Long Radius)

    Underground 110mm x 87½° B4131 D/S Rest Bend (Long Radius)
    Stock Availability: Out of stock
    £17.29 inc Vat

    Underground 315mm B3150 Dia. Shallow Access Chamber Base (190mm Invert) inc. 2 Socket Plugs

    Underground 315mm B3150 Dia. Shallow Access Chamber Base (190mm Invert) inc. 2 Socket Plugs
    Stock Availability: Out of stock
    £33.58 inc Vat

    Underground 450mm B5397 Dia. Chamber Riser (315mm Invert)

    Underground 450mm B5397 Dia. Chamber Riser (315mm Invert)
    Stock Availability: Out of stock
    £26.39 inc Vat

    Underground 450mm B5398 Chamber Riser Sealing Ring

    Underground 450mm B5398 Chamber Riser Sealing Ring is specifically designed to ensure a secure and tight seal when connecting a chamber to a riser or riser to riser. This sealing ring plays a crucial role in maintaining an airtight and watertight connection, preventing any leakage or seepage.
    Stock Availability: Out of stock
    £3.79 inc Vat

    Underground 450mm B5494 Dia. Chamber Base (225mm Invert) (Inc. 3 Socket Plugs) 110mm

    Underground 450mm B5494 Dia. Chamber Base (225mm Invert) (Inc. 3 Socket Plugs) 110mm
    Stock Availability: Out of stock
    £46.50 inc Vat

    Underground B1001 Back Inlet Roddable Gully 90° Outlet Round Grid

    Underground B1001 Back Inlet Roddable Gully 90° Outlet Round Grid
    Stock Availability: Out of stock
    £32.50 inc Vat

    Underground B1006 Spare Square Hopper And Grid

    Underground B1006 Spare Square Hopper And Grid
    Stock Availability: Out of stock
    £13.45 inc Vat

    Underground B1007 Back Inlet Gully Raising Piece

    Underground B1007 Back Inlet Gully Raising Piece
    Stock Availability: Out of stock
    £8.75 inc Vat

    Underground Pipe Jointing Lubricant Gel 500g B9333

    Underground Pipe Jointing Lubricant Gel 500g B9333 - for use with Soil, Waste and Underground Drainage Systems
    Stock Availability: Out of stock
    £10.50 inc Vat

    Underground Shallow Access Chamber 110mm Spare Plug B5000

    Underground Shallow Access Chamber 110mm Spare Plug B5000 - Shallow Access Chamber Plugs are used to blank off unused inlets
    Stock Availability: Out of stock
    £4.46 inc Vat

    Underground Square Hopper 160x160mm x110mm Drainage Square Hopper B1071

    Underground Square Hopper 160x160mm x110mm Drainage Square Hopper B1071
    Stock Availability: Out of stock
    £16.00 inc Vat

    Fernco DC115 Drain Coupling 100mm Black

    Fernco DC115 Drain Coupling 115 x 100mm (Dia x W) , sometimes referred to as couplers, are simple, easy to use drainage pipe connectors. Drain Couplings are designed to connect two pipes with the same or similar (within 10mm) outside diameter.
    Stock Availability: Out of stock
    £9.99 inc Vat

    Fernco Adaptor Coupling AC4000 121-136/110-121mm

    Fernco Adaptor Coupling AC4000 121-136/110-121mm, sometimes referred to as reducer couplings, are designed to connect unadopted drainage pipes with different outside diameters – connecting larger drainage pipes to smaller drainage pipes and vice versa.
    Stock Availability: Out of stock
    £8.49 inc Vat

    Aco RainDrain Sump Unit Galv Steel Grating & Silt Bucket

    Aco RainDrain Sump Unit Galv Steel Grating is manufactured from polymer concrete giving it a light, strong construction. The unit comes complete with a galvanised A15 rated grating and a sediment bucket.
    Stock Availability: Out of stock
    £99.94 inc Vat

    PSM1A Polystorm Modular Water Storage Unit Soakaway Crate 1000x500x400

    PSM1A Polystorm Modular Water Storage Unit 1000x500x400 - Your soil type will determine the efficiency of the soakaway system. This crate has a compressive strengh of 61 tonnes/ m2.We recommend that your groundwork contractor undertakes a percolation test on your soil to calculate the correct number of crates for your application
    Stock Availability: Out of stock
    £42.00 inc Vat