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3800 Litre Plastic Dual Septic Tank

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10 to 15 working days

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SKU: SEP.ODS3 Categories: , ,


3800 Litre Plastic Dual Septic Tank – SEP.ODS3

A 3800-litre plastic dual septic/settlement tank which is suitable to cater for up to 10 people.

This is a two-stage ‘Duo Septic’ system.  The main outlet pipe must discharge to an irrigation or soak-away system which requires suitable free draining soil to operate.

Stage 1: This is the primary or main sludge retention stage where initial septicity of the raw effluent takes place which creates sludge due to it being a bi-product.

Stage 2: This is where the secondary settlement occurs and final treatment of the effluent before it discharges to a suitable soak-away system.

Duo Septic tanks require maintenance on a regular basis, this includes desludging and emptying annually.  A centre pipe will be supplied for joining the two tanks together, this is provided as a loose component for connection during installation.  Manufactured in the UK and rotationally moulded from Polyethylene which produces a stress-free product.  As a result, with correct installation and general on-going care, these products have a long life ahead of them as the product is extremely robust and very resilient.


This tank meets the requirements of EN 12566-1 which is the code of practice for Wastewater Treatment Systems

  • 3800-litre capacity
  • All pipework is 110mm
  • 2 No. 460mm lockable covers (pedestrian loading)
  • 10-year warranty.  Full installation instructions will be supplied with the tank which must be adhered to as this could affect your warranty.
  • Length: 2770mm
  • Width: 1260mm
  • Depth: 2350mm
  • Weight: 120kg

Please call our sales team for product advice on 0330 999 1100 for more information about the regulations that surround this range.

Delivery information

Standard Delivery

Our standard delivery service offers a 2-5 day service. We always aim to deliver using our own transport but may sometimes use a third party carrier should circumstances dictate. This is a kerbside delivery service and includes offload

  • 2-5 day service
  • Own transport (where possible)
  • Kerbside delivery
  • Includes offload
Collection Service

Collection is available from either our Durham, Kemble or Ely depots. We recommend you provide 24 hours notice so that we can prepare your order. In some circumstances, you may recieve a discount relating to the carriage cost element.

  • Collect from Durham, Kemble or Ely
  • Discounts Available
  • Quicker lead times


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