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Marsh Ensign Sewage Treatment Plant Domestic - 12 Person Tank

Product code: MARSH12PE
Estimated delivery: 7-10 Days
£2,717.83 inc vat
£2,264.86 ex vat
  • 1+ £2,717.83
    inc vat
    ex vat
STP - Call us to beat price
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Suitable for Two 4 bed residence - 12 People or 18 people working.

The plant has low visual impact with unobtrusive lids. Normally only needs a granular surround. The self aligning low profile means quicker installation low running costs est. At below £35 per annum for a six person.

Easy access integral separate de-sludge pipe and almost silent running & odour free. Its is manufactured in the united kingdom & is backed with a 25 year structural guarantee. Invert risers and pumped outlets can be supplied for deeper drain connections. Designed with integral recycling system that makes it ideal for intermittent use. Marsh Industries ENsign range of sewage treatment plants treat final effluent to British and European Standards to allow it to be discharged back into the watercourse whilst reaching national consent standards. Our tanks can be manufactured with either a gravity or pumped outlet to meet your site requirements.

Advantages of using Marsh Tanks

  • No moving parts
  • Low running and maintenance costs (Approx. £52.00 per a 6PE)
  • Easy installation with ‘keying-in’ lip and lifting eyes
  • Tested and certified to BSEN12566-3
  • 50 year design life
  • 25 year structural guarantee
  • Shallow option available for areas in high water table or hard rock conditions (See our ENsign Shallow Range)

External Cabinet can be supplied free of charge, please state when ordering.

For more information please refer to our brochure

Warranty & Guarantee

  • The minimum design life of the tank structure is twenty five years. (internally & externally)
  • The compressor blower is covered by a two year guarantee.
  • The diffuser is covered by a five year guarantee.
  • Engineered using high performance materials.
  • All metal components stainless steel.

Marsh Ensign Sewage Treatment Plant Domestic Specifications

Height: 2139mm
Width: 1912mm
Length: 2860mm
Ground Level to Inlet Invert: 550mm
Ground Level to Outlet Invert: 625mm
Max. Power Consumption: 70w
Empty Weight: 360kg
Surround Concrete/Peashingle: 3m3
Electrical Requirements: 13AMP Single Phase

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All delivery charges are included in the final shopping basket and are dependent on the products Scottish Highlands & the Islands where additional shipping charges will apply.

Please note that not all products will incur an additional delivery charge to the Scottish Highlands & the Islands – this is based on the costs from the manufacturer, distributor or courier providing shipping on our behalf. If your delivery address is in the Scottish Highlandsand Islands, a member of our helpline team will contact you prior to processing your ordershould an additional delivery charge apply.

While we make every effort to ensure orders are delivered by the date required, we cannot guarantee availability from the manufacturer or the manufacturer's delivery schedules.

Any variation to web delivery date given will be advised to you by email or telephone. If we are unable to make delivery because access is not possible, we reserve the right to make a failed delivery charge.

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Questions & Answers


How much does an Ensign 12 cost to run per year


This costs approximately £98 per year.

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Marsh Ensign Sewage Treatment Plant Domestic - 12 Person Tank

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Marsh Ensign Sewage Treatment Plant Domestic - 12 Person Tank

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