Harlequin 3800 Litre Septic Tank

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Customer to Offload Delivery | 12 Weeks
HarlequinSKU: ST3800

Price inc. VAT:
Sale price£1,314

Tax included

(£1,095.00 exc. VAT)


The Harlequin 3800 Litre Septic Tank is moulded in one piece from Medium Density Polyethylene (MDPE) and designed in accordance with British Standard Code of Practice BS6297 the ST3800 is a perfect solution for sites where a treatment plant cannot be used. Durability, flat base for stability, moulded in lifting eyes and easy installation are some of the key features of this septic tank.  Approved to EN 12566-1 standards, this product is best suited for domestic installations of up to 10 inhabitants.


  • Capacity: 3800 Litres
  • Tank Height: 2730mm
  • Tank Diameter: 2045mm
  • Moulded in one piece from durable medium density polyethylene material
  • 110mm inlet and outlet connections
  • 450mm access lid for desludging
  • Galvanised steel lifting eyes for ease of handling
  • Adjustable invert level from 860mm (standard) to 440mm (minimum)
  • Extension neck available for deeper invert levels
  • 110mm connection for rodding access

Benefits of the Harlequin Septic Tanks
  • Durable – Tank is impact resistant as it’s made from Medium Density Polypropylene (MDPE)
  • Simple Installation – It’s very easy to install.
  • Stable – Flat and wide base for stability when transporting and installing.
  • Easy Transportation – Comes with moulded in lifting eyes making it easier to transport.
  • Meets Regulations – EN-12566 Part 1 compliant.

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