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

Customers that purchase a Klargester sewage treatment system (up to 12 person) that is eligible for the free first empty promotional campaign must arrange their empty with us within 1 year from the date of the tank being delivered to site. Proof of purchase must be presented upon booking the free empty.

Tanks included in this promotion are linked below:

Klargester BA BioDisc

Klargester BA-X BioDisc

Klargester BB BioDisc

Klargester BioFicient 1

Klargester BioFicient 3

Klargester BioTec P6

Klargester BioTec P9

Klargester BioTec P12

See the full range of sewage treatment systems included in this deal here.

This promotional offer is a limited time deal available for tank orders placed between 1st March and 31st May.

Emptying is subject to availability in Scotland and Wales. In leu of a free empty, we will provide a voucher to the value of £185 for future purchases on Direct Drainage. Please note: Voucher expires 1 year from issue.

The Klargester L range is excluded from this promotion.

If you are unsure on anything or if you would like to book in your free empty please give us a call on 01388 537 050 or email

A Brand You Can Trust

Over 25 years experience in wastewater & sewage treatment.

Price Match With Us

Best prices guaranteed. Contact us if you find the same product cheaper elsewhere.

Buy With Confidence

Direct Drainage are an authorised reseller for major manufacturers.