Use code SEWAGE5 for 5% off spare parts orders over £250

Septic tank and sewage treatment plant spare parts in County Durham

All your sewage and septic tank supplies in County Durham.

We can supply all of your off-mains systems requirements including septic tanks, sewage treatment plants, pump stations, rainwater harvesters, separators and all corresponding spare parts in County Durham. 

We work closely with a number of the industry leading manufacturer’s such as:

KlargesterClearwaterPremier Tech Aqua PTConderWPLHarlequinHiblowSecohCharles AustenMedoLabkotecEbaraGrundfosDarcyFPZBauerStudor and Pedrollo.

Here at Direct Drainage we can supply wastewater systems and spares throughout County Durham and surrounding areas for all your essential parts for off-mains drainage for domestic and commercial customers.

It is your responsibility as proprietor to ensure that your off-mains facilities are up to standard and this includes regular maintenance as per the manufacturer’s servicing recommendations and also to ensure your system complies with the 2020 General Binding Rules.

If your system should be in breach of the above you could be liable for a fine from the Environment Agency. If you are unsure of what issues you might have, here at Direct Drainage we may be able to help carry out over the phone diagnostic checks to see what parts/ system you may require.

You may need some wastewater replacement parts and spares such as:

For your Klargester BioDisc:

  • BioDisc motor (Panasonic Motorgearbox/ Bauer)
  • BioDisc top pulley
  • BioDisc bottom pulley
  • BioDisc top sprocket
  • BioDisc bottom sprocket
  • BioDisc bearings
  • BioDisc belt
  • BioDisc chain
  • Grease cartridges
  • Green control panel
  • Loss of rotation alarm

For your aeration treatment system (such as BioFicient, BioTec, ASP, WPL DMS, Tricel and Harlequin systems):

  •  Air blower/ Air pump (Secoh, Medo, Charles Austen, Hiblow)
  • Replacement Diaphragm kits (Secoh Medo, Charles Austen, Hiblow)
  • Air blower/ Air Pump service kit (Secoh, Medo, Charles Austen, Hiblow)
  • Control panel

With over 30 years’ experience in the industry we can ensure you get wastewater parts and systems to suit your individual requirements.

For any of your sewage treatment supplies please don’t hesitate to give us a call on 01388 537050 or email us at