Harlequin HydroClear 12 Sewage Treatment Plant | 10-12 Person
The Harlequin HydroClear 12 Sewage Treatment Plant is a compact domestic sewage treatment system designed for properties with up to 12 people. Ideal for homes without access to mains drainage, it efficiently treats wastewater from toilets, bathrooms, kitchens and utility rooms before safely discharging treated effluent to a watercourse or drainage field, subject to local regulations.
Using proven Moving Bed Biological Reactor (MBBR) technology, the HydroClear delivers up to 97.5% pollutant removal while remaining energy efficient, reliable and simple to maintain.
Key Features
- Suitable for properties with up to 12 people
- Up to 97.5% pollutant removal
- Proven Moving Bed Biological Reactor (MBBR) technology
- Super quiet external air blower
- One-piece rotationally moulded MDPE tank
- Compact footprint for easier installation
- Low-profile lockable access covers
- Low running and maintenance costs
- Continues operating as a septic tank during power outages
- EN 12566-3 certified for the UK
- 2-year warranty (upon product registration)
- Designed for a service life exceeding 20 years
Specification
- Population Served: 10-12 People
- Treatment Technology: MBBR
- Tank Material: MDPE
- Inlet Invert: 600mm
- Outlet Invert: 750mm
- Blower: External 105W
- Power Supply: 230V
- Energy Consumption: Approx. 1.8 kWh/day
- Desludging: Approximately every 12 months*
- Certification: EN 12566-3
Suitable Applications
- Detached homes
- Rural properties
- Barn conversions
- Holiday cottages
- New-build homes
- Properties without access to mains drainage
All HydroClear sewage treatment plants are supplied with a weatherproof external air blower, helping to deliver reliable treatment performance while keeping operating noise to a minimum.
If you need advice choosing the right sewage treatment plant, our experienced team is here to help. We can also arrange a professional site visit where required to assess your property and recommend the most suitable sewage treatment solution.
Optional Extras
Low Pressure Alarms – Provides an early warning if blower pressure drops, helping to identify potential issues before they affect the performance of the sewage treatment plant.




