Product Ref: G50006

For a site visit or site assessment please click on link to form 


Price includes free commissioning of the wastewater treatment plant

Sewage Underground Customer Off Loading, Free Delivery Customer Off Loading, Free Delivery

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from €3,800.00 ex VAT
(€4,674.00 inc VAT)

Product Description


The Graf 10 Person One2Clean Wastewater Treatment System is a reliable and simple two-tank wastewater disposal system. The One2Clean sewage treatment system allows for the timely disposal of your waste water in an environmentally friendly manner, while taking care of your budget. This two-tank wastewater tretment system is capable of offering up to 99% pollutant removal with SRB lifting technology.

The One2Clean Wastewater Treatment System is a clean solution and only needs 3 steps to produce clear water, it's odourless and is excellent value for money and has minimum maintenance costs and power consumption.

One2clean is a reliable solution as it dispenses with the unnecessary extras:

  • Two-tank system - 2 x 3750L tanks
  • System conformity to EN 12566-3
  • Less energy consumption and less wear
  • No mechanical elements in the waste water
  • No pumps in the waste water
  • No electrical components in the waste water
  • Incredibly little sewage sludge
  • 2 years warranty on technology
  • 10 years warranty on sewage reservoirs
  • Low space requirements
  • Twice the buffer volume
  • Maintenance internal 1-2 per year
  • Price includes free commissioning of the wastewater treatment plant


  • Cover suitable for pedestrian, adjustable in height, inclinable up to 5 deg
  • 2 x 3750mm Wastewater tank manufactured for maximum stability, 100% watertight and corrosion resistant, self anchoring
  • Installation Kit with one clear water lifter, simple maintenance, self cleaning sampling container, no electrical part in the tank
  • One2Clean Control Cabinet, External Cabinet Compressor & 20m Hose Set which has simple handling, energy-saving, extremely quiet, battery-free power failure detection
  • Pump Chamber includes DN400 Pump Chamber, Riser, Lid, 125L Sump, Evak Pump 9m Head and 15m of 40mm rising main pipework.
  • Hydroshields for percolation areas can be purchased on request for low pressure pipe networks.
  • Site specific kits are available on reuest.


To ensure that you have the correct system to suit your needs, please contact our sales team with your planning permission number and details and they will advice you on which system is suitable to be compliant.


Before you purchase your sewage treatment system you may need advice on which system is suitable. From percolation tests and site assessments to specifiying the correct sewage treatment plant for installation we can help you through the process.

If you would like our help, please click on Site Assessment Report and fill out the form  and we can take it from there.


Product Specification

  • Product Code: GRAF
  • Fuel Type: Sewage
  • Shape: Underground
  • Shipping: Customer Off Loading, Free Delivery
  • Volume: 7500ltr
  • Weight: 300.000kg
  • Dimensions: L:5160mm W:1755mm H:2220mm

Delivery Terms

Kingspan Tanks - Tail-lift deliveries are available for most tanks up to 2,000 Litre capacities for kerbside delivery.
It is the responsibility of the customer to inform us, if off-loading equipment is required.

Klargester Tanks  - All tanks are delivered on 45ft Flat-bed Articulated Trailers, so off-loading equipment on site is necessary.
HIAB off-loading is available at extra cost, if requested.
It is the responsibility of the customer to inform us, if off-loading equipment is required.

Harlequin Tanks  - Tail-lift deliveries are available for most tanks up to 2,500 Litre capacities for kerbside delivery subject to availability.
It is the responsibility of the customer to inform us, if off-loading equipment is required.

tanks.ie undertakes to attempt to fulfill all orders within a maximum of 7 working days of order acceptance, unless advised otherwise. In the event that any order is delayed, tanks.ie will not be responsible for any consequential loss or damage that this delay may cause.

Smaller items (including most accessories and consumables) will normally be despatched by courier.
Larger items (including all storage tanks) will normally be delivered by carrier. 

Please note that for all items delivered by carrier, normally a truck + 40ft trailer, it is the customer's responsibility to ensure adequate vehicular access and to provide suitable offloading equipment, where required. Please notify us, if this might pose a problem and we will endeavour to facilitate your request. 

Returns Information


In accordance with Irish and European Union consumer laws, you have seven days after receipt of order to cancel the order in its entirety or any part thereof, providing the goods are in a re-saleable condition. Should you wish to cancel any order, you must first contact sales@tanks.ie for a ‘Returns Authorisation Number’.

Please call 051 351325 or e-mail sales@tanks.ie 

After the Returns Authorisation Number has been issued, we will make arrangements with you for the goods to be returned. If you wish tanks.ie to arrange the collection of the goods, please note that a carriage and administration charge will apply, which will not exceed 35% of the gross value of the goods.

Upon return of the cancelled goods to tanks.ie and verification that they are in a re-saleable condition, we will refund the value of the goods, less any collection and administration charges, within 28 days.


If you believe that products you have purchased from tanks.ie are defective, please report this immediately to tanks.ie by e-mail sales@tanks.ie or call 051 351325. 

If they are within the manufacturer’s guarantee period, we will arrange with the manufacturer to replace or repair the goods at the manufacturer’s discretion and consistent with their guarantee. 
Where it is necessary to inspect the goods on site and an inspection proves the fault is neither the fault of tanks.ie, nor the product manufacturer, an inspection charge will apply, which will be advised by the manufacturer prior to site inspection.

Please note that where guarantees are available in excess of those required by law, these are provided at the discretion of the product manufacturer and not tanks.ie. Additionally, tanks.ie will not be liable for any claims for consequential damage or loss. 

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