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GRAF One2Clean Sewage Treatment Plant 5PE
£1,906.99

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GRAF One2Clean 5PE Sewage Treatment System – High-Efficiency Off-Mains Wastewater Solution

PLEASE CALL 01388 537 050 FOR AN ACCURATE LEAD TIME

The GRAF One2Clean is a highly efficient, single-tank wastewater treatment system that uses advanced SBR (Sequencing Batch Reactor) technology to achieve up to 99% pollutant removal. Engineered to meet EN12566-3 standards and fully CE certified, this compact unit delivers exceptional effluent quality and is future-proofed for evolving regulatory requirements.

Graf One2Clean 5PE 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

With energy consumption as low as 46 kWh per person annually and minimal sludge production, the One2Clean is an eco-conscious and cost-effective solution for domestic off-mains wastewater treatment. It includes a self-cleaning sampling chamber, and thanks to its plug-and-play design, no on-site electrical wiring is required.

The system is compatible with granular backfill on dry installations and is groundwater stable up to the tank's midline. GRAF UK offers free commissioning through an accredited service provider, with an optional 3-year technology warranty when commissioning and servicing are handled by approved partners.


Key Benefits:

Durable Injection-Moulded Tank – Backed by a 15-year shell warranty

Low Maintenance Technology – 1-year warranty on system components

Quiet, Efficient Operation

Clear Water Lifter Design for effective discharge

Integrated Sample Point – Automatically rinses clean

Compact Control Unit – Indoor installation or optional outdoor cabinet

Quick Installation – No electrical connections needed on site

Low Running Costs – Just 46 kWh per person, per year


Technical Specifications:

Feature Details
Model G50000
Population Equivalent 1 – 5 persons
Dimensions (L x W x H) 2280 x 1755 x 2020–2220 mm
Nominal Inlet/Outlet DN100/110
Empty Weight 150 kg
Inlet/Outlet Invert (Standard) 630–830 mm
Power Consumption 58W air compressor
Noise Level 36 dBA
Effluent Quality BOD: 7 mg/l, SS: 14 mg/l, NH4-N: 0.5 mg/l
Warranty Tank: 15 Years / Technology: 1 Year (extendable to 3 years)
Product Code G50000

Optional Upgrades & Accessories:

Inlet & Outlet Configuration Options – Gravity or pumped outlets available. Invert levels adjustable using risers.

Setup Pedestrian Duty Invert Vehicle Duty Invert
Standard Gravity Outlet 630–830 mm 1000–1250 mm
310mm Riser – Gravity 875–1075 mm 1195–1420 mm
Trimmable Riser – Gravity 1130–1400 mm N/A
Integral Pump Outlet 950–1150 mm 1000–1250 mm
Pump + 310mm Riser 1195–1395 mm 1195–1420 mm

Cover Options – Comes with a pedestrian-grade lid as standard. A vehicle-rated lid (up to 3.5 tonnes) is also available and requires the Maxi Dome extension for proper load distribution.

Outdoor Controller Cabinet – For installations where the control panel cannot be sited indoors (e.g., >20m distance from the tank), a lockable kiosk is available.


Need Help?

If you’re unsure which configuration is best for your site, contact our team at 01388 537050. We’re happy to assist with selecting the right setup for your wastewater management needs.

Graf UK Standard Dropship Terms & Conditions


Delivery Charges

All prices include for delivery to site on UK mainland unless otherwise stated.

Please check for deliveries into Cornwall, Mid & Northern Scotland & Isles, IOW & IOM as additional delivery charges may be applicable.


Delivery Access

We generally deliver on our own vehicles, 6mtr sprinters.

However, we do use external hauliers who may deliver on larger vehicles.

Please ensure, if there are any site restrictions e.g. restricted access, specific time frames for deliveries, that we are informed when delivery date is confirmed.


Off-Loading

Off-loading by the customer unless agreed otherwise. Tanks 1500L-7500L are generally strapped to a pallet for forklift off-load, slings can also be used. Larger tanks - forklift off-load (subject to tank length), slings can also be used.

Please ensure site has offload facilities on the advised delivery date.

Moffit off-loading can be arranged at additional cost, please request details.


Re-Scheduling Delivery Date

A minimum 48 hours’ notice before specified delivery date is required to cancel and reschedule the delivery.

Otherwise, charges may apply.


Date & Time Of Delivery

Delivery lead time is 5-7 working days from receipt of payment on all orders unless otherwise advised.

We will email you confirmation of delivery date.

Delivery by Graf UK will arrive between 7am-5pm.

The delivery driver will call you before arrival to advise ETA.

We cannot advise an ETA, only the driver can advise when he/she calls.


Restocking charge

25% standard restocking charge.

Also transport costs for the original delivery would be deducted + collection cost.

Any credit would be subject to QA approval that the returned goods are in re-saleable condition. 

If you are unsure or need help we are here to help! Give our friendly team a call on 01388 537 050 or email sales@direct-drainage.co.uk

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