GRAF One2Clean Sewage Treatment Plant 12PE | G50200

The GRAF One2Clean 12PE is a high-performance, single-tank domestic wastewater treatment system designed for properties with up to 12 residents. Utilising advanced SBR (Sequencing Batch Reactor) lifting technology, this system achieves up to 99% pollutant removal efficiency, making it one of the most effective solutions on the market for domestic off-mains sewage treatment.

The system is CE Certified and fully compliant with EN12566-3, offering excellent effluent quality that meets and exceeds regulatory standards. It’s also nutrient neutrality-friendly, ideal for sensitive discharge areas. With low energy consumption (just 46 kWh per person annually) and reduced sludge production, the One2Clean provides an efficient and cost-effective long-term investment for homeowners.

No specialist wiring is needed on-site, and the unit is suitable for dry ground installations using granular base and backfill. An integrated sample chamber and user-friendly controls ensure easy maintenance and monitoring.

Key Benefits:

• Strong, injection-moulded construction (15-year tank warranty)

• 2-year technology warranty

• Quiet operation

• Built-in, self-cleaning sampling point

• Plug-and-play installation – no onsite wiring required

• Ultra-low power usage – just 46 kWh per person, per year

• Stable for groundwater levels up to the tank’s midline

• Compact control panel for indoor or optional outdoor kiosk

What makes the One2Clean unique?

• Only one tank with just one chamber required.

• Less energy consumption and less water.

• No mechanical elements in the wastewater.

• No pumps in the wastewater.

• No electrical components in the wastewater.

• Incredibly low volume of sewage sludge.

Specification Value

Model G50200

Population Capacity Up to 12 People

Dimensions (L x W x H) 3500 x 2040 x 2515 mm

Volume 8500L

Weight (Empty) 380 kg

Inlet & Outlet Invert 675–875 mm

BOD 7 mg/l

Suspended Solids 14 mg/l

Ammonium (NH4-N) 0.5 mg/l

Graf One2Clean 12PE Drawing

Graf One2Clean Installation Guide

Graf UK Brochure

Ebara Optima Pump Specification

Graf One2Clean PIA Certificate

Graf One2Clean IPS Pumped Option Information

Free Commissioning

Graf One2Clean Log Book

PLEASE CONTACT US FOR AN ACCURATE LEAD TIME

sales@direct-drainage.co.uk