Klargester Alpha 3,800 Litre Septic Tank

Klargester Alpha 3,800 Litre Septic Tank

Product Ref: STS0381O

Customer Offloading Free Delivery Below Ground, Sewage Below Ground, Sewage
  • Volume: 3800ltr
  • Dimensions: H:2810mm
  • Lid Size: 600
  • Diameter: 2070mm
  • Estimated Lead time 3-5 working days

    Home Delivery

    UK mainland delivery from FREE ex VAT

    check delivery cost

    Choose option:

    from £970.00 ex VAT
    (£1,164.00 inc VAT)
    Product Description

    The Klargester 3800 litre septic tank

    is suitable for properties up to 6 bedrooms (12 population) 

    This 3800 Litre septic tank is manufactured by Kingspan Klargester and is suitable for all domestic applications, now comes complete with manhole cover and frame as standard.


    • Performance tested to EN-12566 (Part 3) requirements
    • Made from composite GRP - strong, light, chemically resistant and watertight
    • Press moulded shape provides wide, squat, form which makes the tank easy to install and handle
    • Stable base for storage
    • Shackles are provided to aid lifting and positioning within the excavation
    • All unit volumes are designed in accordance with the recommendations given in BS 6297: 1983
    • The new manufacturing process minimises styrene emissions and reduces waste - all the better for our environment

    Klargester Septic Tanks 

    A septic tank retains sewage from a property for sufficient time to allow the solids to form into sludge at the base of the tank, where it is partially broken down through anaerobic digestion. The remaining liquid in the tank then overflows from the tank by means of an outlet pipe to a drainage field. Spherical septic tanks are manufactured as standard from 2,800 to 4,600 litres net working capacity. Septic Tanks have a 1.0m standard invert depth.

    This tank comes with the 1.0m invert as standard

    For more information on the Septic tank regulations please click here


    All the Klargester tanks are for delivery by customer offload. This entails the customer to acquire the right manpower and/or machinery to help unload the tank/s from the delivery vehicle.

    If you require assistance with offloading, we may be able to offer a tail lift (lowers the tank to the ground) or HIAB (lorry with a mounted crane to winch the tank off the delivery vehicle). Please contact us if this is required for delivery.


    Our shipping costs cover most of the UK - however, parts of England, Scottish Highlands and Islands including areas north of the Glasgow / Edinburgh border, Isle of Wight, Channel Islands, Isle of Man, Anglesey, Western Isles, Shetland Islands, Orkney Islands, Isles of Scilly, Northern Ireland and the Republic of Ireland may cost more.

    Please call before ordering if the delivery postcode is listed below. There may be additional shipping costs. AB, BT, CA, CT, DD, DG, EH, FK,G, GY, IM, IV, JE, KA, KW, KY, LD, LL, ML, PA, PH, PO 30-41 (Isle of Wight), SA, SY, TD, TN, TR, ZE Southern Ireland

    Our lead times should only be used as a guide and are subject to change.


    Unless a hi-ab delivery has been booked at additional cost, it is the customer's responsibility to offload with suitable equipment on the day of delivery and a failed delivery may result in additional charges.

    We recommend installers and/or plant hire & materials for install such as excavators, aggregates etc are not booked until you are in receipt of the goods. Tanks Direct cannot be held responsible for costs incurred due to unforeseen delays, please see our terms for more details.

    If you have any questions regarding your delivery please contact the Sales Team on 01643 703358.

    Returns Information

    Customers may return items within 14 calendar days (as per our Terms & Conditions) - refer to 4.6 & 4.7. **

    Please be aware that returning a tank can be complicated and expensive so please check that you are ordering the correct item (we suggest checking the dimensions very carefully).

    If you wish to return goods, please complete the form on this page to provide further information.

    Once your request is approved, a valid Returns Authorisation Number (RAN) will be issued to initiate the returns process along with information on how & where to return your order along with any costs involved.

    Please DO NOT return any goods without this authorisation. Goods cannot be accepted without this.

    Returns are not accepted at our Minehead Office, please wait until we contact you before returning any goods.

    Please click here to request a return

    Product Specification

    • Product Code: KLA
    • Customer Offloading: Customer Offloading
    • Delivery: Free Delivery
    • Diameter: 2070mm
    • Lid Size: 600
    • Tank Use: Below Ground, Sewage

    People who bought this also bought...

    Klargester BioFicient 1 6 Person Sewage Treatment PlantKlargester BioFicient 1 6 Person Sewage Treatment Plant
    Best Seller
    Klargester BioFicient 1 6 Person Sewage Treatment Plant
    from £3,008.00 ex VAT
    (£3,609.60 inc VAT)
    Klargester BioDisc BB  12 Person Sewage Treatment PlantKlargester BioDisc BB  12 Person Sewage Treatment Plant
    Best Seller
    Free Delivery
    Klargester BioDisc BB 12 Person Sewage Treatment Plant
    from £5,271.00 ex VAT
    (£6,325.20 inc VAT)

    32 Litre Water Tank, Tower32 Litre Water Tank, Tower
    32 Litre Water Tank, Tower
    from £41.60 ex VAT
    (£49.92 inc VAT)

    75 Litre Water Tank, Flat75 Litre Water Tank, Flat
    75 Litre Water Tank, Flat
    from £66.70 ex VAT
    (£80.04 inc VAT)

    Clearwater 3,800 Litre Septic Tank
    Best Seller
    Free Delivery
    Clearwater 3,800 Litre Septic Tank
    from £902.00 ex VAT
    (£1,082.40 inc VAT)