Marsh Ultra: Polylok L – 6 person
Price range: £50.00 through £3,000.00
Marsh Ultra:Polylok L Industrial performance with domestic simplicity
Introducing the latest innovation in domestic sewage treatment technology, the Marsh Ultra:Polylok L (UPL).
The UPL draws upon Marsh Industries’ extensive experience in the industrial and commercial sewage treatment sectors bringing its outstanding performance and added-value engineering to the domestic sector.
The Marsh UPL is available in 6PE and 12PE models, is approved to BS EN12566-3 and carries an impressive effluent quality of 20:30:20, within national consent standards.
Resources
Description
Why choose the Marsh UPL
End users, merchants and installers alike recommend the UPL 6 or 12 due to its compact shape, ease of installation, reliability, and cost-effective operation and maintenance. All backed by technical support from local contacts.
Operating principle
Benefits
- Tested and approved to the most stringent European Standards: EN12566-3: 2005+A1:2009
- Small footprint and shallow dig for easy installation provides enhanced health and safety benefits
- Heavy duty shell as standard enables installation in all ground conditions. Unique ‘keying-in’ lip assists anchoring into granular or concrete surrounds
- Near silent, energy efficient compressor (located externally) with integral alarm (approximate annual running costs of £35 p/annum)
- High specification bio-media (310m3 per m2) and membrane diffuser ensures even circulation and maximum treatment efficiency
- Unique Polylok tertiary filter reduces suspended solids and BOD by a further 40% helping to extend drainage field life
- Sludge return pipe improves system circulation
- Variable inverts for ease of installation at various depths – 250, 500 and 750mm risers available
- Pumped outlets available
Specifications

| Model (pop) | Length +/-50mm | Width +/-50mm | Height +/-50mm | Inlet invert | Inlet dia | Outlet invert | Outlet dia |
|---|---|---|---|---|---|---|---|
| UPL 6 | 1700 | 1700 | 2050 | 650 | 110 | 725 | 110 |
| UPL 12 | 2300 | 2000 | 2050 | 650 | 110 | 725 | 110 |
For precise tank sizes and configurations, please contact Marsh Industries.
All dimensions in mm.
Due to production processes, dimensions of finished units are within a tolerance of +/-2.5%.
Additional information
| Element Type | Accreditation, BOD, COD, NH4-N, Ptot, SS, TNb |
|---|
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