Shallow dig septic tanks
Klargester Shallow Dig Septic Tanks

The Kingspan Klargester Gamma septic tank range is designed and manufactured from tough polyethene and is suitable for shallow dig installations.
This range of septic tank offers incredible efficiency ratings:
- 99.91% for twin-chamber systems
- 99.83% for single-chamber systems
Available in three sizes and suitable for 5 - 13 people.
Key things things to know about the Klargester Shallow Dig Gamma septic tank range:
- Simple to install for reduced on-site installation time
- Reduced excavation costs, saving you money
- Less soil disposal and less backfill material - kinder to the environment
- Made from MDPE - strong and durable
- Light and watertight septic tank
- Robust, weatherproof for durability
- Third-party tested EN12566 Part 1
- CE marked to comply with the EU Construction Products Regulation
The Gamma septic tank is suitable for:
- Single/Multiple Homes
- Golf Course toilets
- Churches
- Temporary work offices e.g. portable cabins
Gamma septic tank technical information
Model Reference | No. of People | Width (mm) | Length (mm) | Overall Height (mm) | Standard Inlet Invert (mm) | Standard Outlet Invert (mm) |
---|---|---|---|---|---|---|
GST028 | 5 | 1130 | 2480 | 1755-2255 | 500-1000 | 550-1050 |
GST035 | 10 | 1180 | 3000 | 1755-2255 | 500-1000 | 550-1050 |
GST040 | 13 | 1215 | 3360 | 1755-2255 | 500-1000 | 550-1050 |
We recommend installing a Kingspan Klargester BioDisc where possible, as it actively treats the sewage
Get a quote for an Gamma Septic Tank
Drop us some quick details about your requirements below and one of our off-mains drainage experts will be in touch with a quote.