Harlequin Hydroclear 20 Person Sewage Treatment Plant - HC20

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HarlequinSKU: HC20

Price inc. VAT:
Sale price£5,400

Tax included

(£4,500.00 exc. VAT)


The Harlequin Hydroclear 20 Person Sewage Treatment Plant is the market leader with pollutant removal level of 96.6%. Wastewater from toilets, showers, kitchens etc is fed directly into the treatment plant, and out the other end comes clarified effluent suitable to be discharged into a soakaway or stream. Market-leading performance, easy installation, virtually inaudible operation, low maintenance costs, reliable bio media system and durability are all qualities that make the product best suited for all off-mains sewage treatment requirements. 

As standard the Hydroclear HC20 comes as a Gravity Discharge System, if required this can be upgraded to a Pumped Discharge System


  • Compliant with EN-12566 part 3
  • Population Served: 13 to 20
  • Max. Hydraulic Load: 4000 litres /day
  • Organic Load: 1200g BODs/day
  • Total Capacity: 8380 Litres
  • Length: 5680mm
  • Width: 1400mm
  • Height to Ground Level: 2560mm
  • Empty Plant Weight: 700kg
  • Energy Usage: 2.7kWh/day
  • Service Interval: Up to 24 months depending on the number of inhabitants
  • Inlet Depth: 1090mm
  • Outlet Depth: 1140mm
  • Installation Depth: 2560m
  • Requires 230V, 112W Power Supply

Extra Information Downloads
HC20 Specification Sheet
HC20 Drawing
Hydroclear Installation & Operating Instructions (HC12-HC50)
Harlequin Waste Water Sales Brochure

Key Benefits of the Harlequin Hydroclear HC20

Virtually Inaudible – High performance diaphragm blowers are used and externally housed achieving a virtually silent operation.
Odourless – The system is hermetically sealed, coupled with a market leading treatment performance eliminates odour.
MBBR Technology – Moving Bed Biological Reactor (MBBR) systems are self-cleaning and unable to become blocked through channelling unlike most fixed film media systems.
Market leading performance – Producing an excellent 96.6% pollutant removal level, the final effluent can be directly discharged into a stream or soakaway.
Low Maintenance Costs – Chamber one capacity is as much as 66% larger than other plants, making desludging intervals up to three times longer saving the owner significant costs.
Power Failure Default – The system keeps performing as a septic tank in the event of a power failure.

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