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

Buy With Confidence

We are an authorised seller for major manufacturers

Best Price Promise

If you find the same product cheaper, we'll match it

Same Day Dispatch

On all orders placed before 4pm when items are in stock

Klargester BA-X BioDisc Sewage Treatment System (up to 9 person)

Fast Delivery

Get it when you need it

Secure Payment

Multiple payment gateways

  • Product
  • Need Help?
  • Free Delivery

The Klargester BA-X BioDisc is suitable for up to 9 persons* and delivers a reliable, effective and ecologically safe solution for anyone with off-mains sewage disposal needs with the lowest running and maintenance costs of any packaged treatment plant in its class.

Free UK Delivery  Sewage Treatment Best Price Guaranteed

Current Leadtime 3 Working Days

 How to get Klargester Extended Warranty 

Klargester BioDisc PIA Certificate

  BioDisc Domestic Certification

  BA-X BioDisc Product Brochure

  BioDisc BAX Installation Manual

  BioDisc Owners Manuel Handbook for Domestic Systems

  BioDisc BA-x Gravity Drawing

  BioDisc BA-x Pumped Outlet Drawing

 Commissioning and Servicing Information

Servicing Interval-  12 months

De-Sludging Interval- 12 months

The drive motor within the BioDisc runs virtually silently and has a much lower power consumption and a significantly greater life expectancy than a typical aeration unit. Low running costs, combined with the quality and durability of the equipment, all add up to a significantly lower lifetime cost. The BioDisc now also comes with a Loss of Rotation alarm (and Pump alarm on the IPS system) as standard.

  • Certified to European Standard EN 12566 - Part 3 - Annexe B - Performance Tests
  • 7 year extended warranty (terms apply)
  • No noise
  • No smell
  • Lowest maintenance costs
  • Lowest energy usage 
  • Very good access for maintenance
  • No technical or mechanical faults
  • Lowest sludge accumulation and sizeable storage capacity
Technical Specification BA-X BioDisc
Parameters PE 9
Max. Daily Flow m3 1.8
Max. Daily BOD5 g BOD5 540
Max. Daily Ammonia g NH4 72
Overall Diameter mm 1995
Inlet Invert Depth  mm 450/750/1250
Depth Below Inlet Invert  mm 1400
Outlet Invert Depth  mm 1315
Overall Height  mm 2160/2460/2960
Height to Rim of Cover  mm 1945/2245/2745
Empty Weight kg 335/350/405
Standard Power Supply 1 Phase
Motor Rating - Single Phase  W 60
Full Load Current - Single Phase  A 0
Sludge Return Pump Rating  W 250

*Based on residential applications and daily flow rates

Find out how the Klargester BA BioDisc works here.

Find out how much a sewage treatment system costs to run here.

**to celebrate this milestone anniversary Kingspan have issued hundreds of golden tickets under the lids of their domestic BioDisc. If you have found this golden ticket you will need to register to win one of their fabulous prizes including holiday vouchers, shopping vouchers and Klargester merchandise. please complete your details and you will be entered into a draw to win one their spot prizes**

If you are unsure or need help we are here to help! Give our friendly team a call on 01388 537 050 or email

Free Delivery is available to the whole of the UK Mainland (including Scotland) and is subject to suitable access for a large goods vehicle. 

This product is delivered to the kerb and it is the customers responsibility to provide suitable mechanical offloading facilities (eg. Loader or Excavator) to offload this tank safely. Please specify any access restrictions on your order.

If we can do anything to make your purchase more accommodating call our friendly team on 01388 537 050 or email prior to placing your order.

You may also need