Wastewater treatment plant comparison guide
We have compared the main sewage treatment plants that we supply and install so that you can easily see the benefits of each system.
Give us a call on 01371 850537 for free advice and guidance.
| Model | BIO BA |
BIO BA-X |
BIO BB |
BIO BC |
BIO BD |
Biotec 1 | Biotec 2 | Biotec 3 | DIA DMS2 |
DIA DMS3 |
DIA DMS4 |
DIA DMS5 |
Solido 35 | Solido 45 | Solido 60 | Solido 3535 | Solido 4545 | Solido 6060 | ASP 6 |
ASP 8 |
ASP 12 |
ASP 16 |
ASP 20 |
| Number of people serviced | Up to 6 | Up to 9 | Up to 12 | Up to 18 | Up to 25 | Up to 6 | Up to 12 | Up to 18 | 1-6 | 5-11 | 10-15 | 14-20 | Up to 6 | Up to 8 | Up to 10 | Up tp 12 | Up to 16 | Up to 20 | up to 6 | up to 8 | up to 12 | up to 16 | up to 20 |
| Number of bedrooms | 1-4 | 1-7 | 2 x 4 bed houses | 3 x 4 bed houses | 5 x 4 bed houses | 1-4 | 5-8 | 9-12 | 1-4 | 1-7 | 8-14 | 15-18 | 1-4 | 2-6 | 2 x 3 bed houses
or 1 x 8 Bed house |
2 x 4 bed houses | 2 x bed houses | 4 x 3 bed houses | 1-4 | 4-6 | 6-8 | 8-10 | 10-12 |
BIO = Biodisc / DIA = Diamond /
| Model | BIO BA |
BIO BA-X |
BIO BB |
BIO BC |
BIO BD |
Biotec 1 | Biotec 2 | Biotec 3 | DIA DMS2 |
DIA DMS3 |
DIA DMS4 |
DIA DMS5 |
Solido 35 | Solido 45 | Solido 60 | Solido 3535 | Solido 4545 | Solido 6060 | ASP 6 |
ASP 8 |
ASP 12 |
ASP 16 |
ASP 20 |
| Tank Manufacturer Standard Warranty | 1 year | 1 year | 1 year | 1 year | 1 year | 1 year | 1 year | 1 year | 10 years | 10 years | 10 years | 10 years | 25 years | 25 years | 25 years | 25 years | 25 years | 25 years | 15 years | 15 years | 15 years | 15 years | 15 years |
| Driveable lids available | x | x | x | x | x | x | x | x | x | x | x | x | √ | √ | √ | √ | √ | √ | x | x | x | x | x |
| Child proof lids available | x | x | x | x | x | √ | √ | √ | x | x | x | x | √ | √ | √ | √ | √ | √ | x | x | x | x | x |
| Vacation settings | x | x | x | x | x | x | x | x | x | x | x | x | √ | √ | √ | √ | √ | √ | x | x | x | x | x |
| Future relocatable | No | No | No | No | No | No | No | No | No | No | No | No | Yes | Yes | Yes | Yes | Yes | Yes | In some models | In some models | In some models | In some models | In some models |
| Contains internal moving parts | Yes | Yes | Yes | Yes | Yes | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No |
| Silent running | Yes | Yes | Yes | Yes | Yes | No | No | No | No | No | No | No | Yes | Yes | Yes | Yes | Yes | Yes | No | No | No | No | No |
| Integral sample chamber | No | No | No | No | No | No | No | No | No | No | No | No | Yes | Yes | Yes | Yes | Yes | Yes | No | No | No | No | No |
| Integrated alarm | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Optional Extra | Optional Extra | Optional Extra | Optional Extra | Optional Extra |
BIO = Biodisc / DIA = Diamond
| Model | BIO BA |
BIO BA-X |
BIO BB |
BIO BC |
BIO BD |
Biotec 1 | Biotec 2 | Biotec 3 | DIA DMS2 |
DIA DMS3 |
DIA DMS4 |
DIA DMS5 |
Solido 35 | Solido 45 | Solido 60 | Solido 3535 | Solido 4545 | Solido 6060 | ASP6 | ASP8 | ASP12 | ASP16 | ASP20 |
| Average dig depth required | 2.3m | 2.3m | 2.3m | 2.6m | 2.6m | 2.2m | 2.7m | 2.6m | 2.34m | 2.62m | 2.81m | 2.81m | 2.06m | 2.06m | 2.51m | 2.06m | 2.06m | 2.51m | 2.25m | 2.25m | 2.55m | 2.65m | 2.75m |
| Backfill requirements | C | C | C | C | C | C | C | C | C | C | C | C | MOT1 | MOT1 | MOT1 | MOT1 | MOT1 | MOT1 | C /MOT1 |
C /MOT1 |
C /MOT1 |
C /MOT1 |
C /MOT1 |
BIO = Biodisc / DIA = Diamond / C = Ready mix concrete / MOT1 = Ministry of Transport Type 1 material
| Model | BIO BA |
BIO BA-X |
BIO BB |
BIO BC |
BIO BD |
Biotec 1 | Biotec 2 | Biotec 3 | DIA DMS2 |
DIA DMS3 |
DIA DMS4 |
DIA DMS5 |
Solido 35 | Solido 45 | Solido 60 | Solido 3535 | Solido 4545 | Solido 6060 | ASP 6 | ASP 8 |
ASP 12 |
ASP 16 |
ASP 20 |
| Power rating W | 50 | 50 | 50 | 75 | 75 | 60 | 60 | 150 | 105 | 112 | 149 | 216 | 80 | 90 | 90 | 160 | 160 | ||||||
| Electricity consumption kWh/day | 1.20 | 1.20 | 1.20 | 1.80 | 1.80 | 1.44 | 1.44 | 3.60 | 2.52 | 2.688 | 3.576 | 5.184 | 0.52 | 0.52 | 0.52 | 1.20 | 1.55 | 2.50 | 1.92 | 2.16 | 2.16 | 3.84 | 3.84 |
| Continuous running | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | No | No | No | No | No | Yes | Yes | Yes | Yes | Yes |
| Average yearly running costs | £46.0 | £46.0 | £46.0 | £69.0 | £69.0 | £55.2 | £55.2 | £138.0 | £96.6 | £103.0 | £137.1 | £198.7 | £19.9 | £19.9 | £19.9 | £46.0 | £59.4 | £95.8 | £67.0 | £75.0 | £75.0 | £133.0 | £133.0 |
| Desludge requirements | 12 mths | 12 mths | 12 mths | 12 mths | 6 mths | 12 mths | 12 mths | 12 mths | 6 mths | 6 mths | 6 mths | 6 mths | 12 mths | 12 mths | 12 mths | 12 mths | 12 mths | 12 mths | 12 mths | 12 mths | 12 mths | 12 mths | 12 mths |
BIO = Biodisc / DIA = Diamond / COT = Centre of tank / SWT = Submersible within tank / UL = Under lid
| Model | BIO BA |
BIO BA-X |
BIO BB |
BIO BC |
BIO BD |
Biotec 1 | Biotec 2 | Biotec 3 | DIA DMS2 |
DIA DMS3 |
DIA DMS4 |
Dia DMS5 |
Solido 35 | Solido 45 | Solido 60 | Solido 3535 | Solido 4545 | Solido 6060 | ASP6 | ASP8 | ASP12 | ASP16 | ASP20 |
| Diameter of lid | 2.0m | 2.0m | 2.0m | 2.5m | 3.3m x 2.5m |
1.9m | 1.9m | 2.7m | 1.85m | 2.07m | 2.07m | 2.07m | 60cm | 60cm | 60cm | 2 x 60cm | 2 x 60cm | 2 x 60cm | 1970mm | 1970mm | 1970mm | 1970mm | 1970mm |
| Tank material | GRP | GRP | GRP | GRP | GRP | GRP | GRP | GRP | GRP | GRP | GRP | GRP | PL | PL | PL | PL | PL | PL | PL | PL | PL | PL | PL |
| Tank thickness |
Up to 5mm | Up to 5mm |
Up to 5mm |
Up to 5mm |
Up to 5mm |
Up to 5mm | Up to 5mm | Up to 5mm | Up to 5mm | Up to 5mm | Up to 5mm | Up to 5mm | Average 8 mm | Average 8 mm | Average 8 mm | Average 8 mm | Average 8 mm | Average 8 mm | 7-8 mm | 7-8 mm | 7-8 mm | 7-8 mm | 7-8 mm |
BIO = Biodisc / DIA = Diamond / GRP = Glass reinforced plastic (fibreglass) / PL = Polyethylene
