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15 Person DMS4 Diamond sewage treatment plant (standard invert 780mm) - WPL Tanks

Regular price
£3,746.02 GBP (£3,121.68 GBP ex VAT)
Regular price
Sale price
£3,746.02 GBP
Serves up to 15PE, with a standard invert of 780mm.
If your property is not connected to mains sewerage, your wastewater can be treated by a discreet below ground WPL Diamond DMS package wastewater treatment range. This is a small and compact wastewater treatment plant designed for properties that house 1 person or up to 20 (people) occupancy equivalent; ideal for new builds and replacement of existing septic tank systems and package sewage treatment plants. No need for chemicals, allowing final effluent to be safely discharged to a soakaway or watercourse.

Full Description

Typical domestic uses:
Single houses
Rural barn conversions
Replacement of septic tank systems

Typical commercial uses:
Bed and breakfasts
Small commercial buildings and offices
Small retail such as farm shops
Replacement of septic tank systems

Key features:
25 years warranty

Comes with 25 years tank warranty and a process performance guarantee for the life of the tank. The air blower (housed in the kiosk) warranty is 2 years.

Longer emptying cycle*
Up to 3 years desludge – due to our highly efficient aeration process which breaks down organic matter at a reduced sludge rate resulting in longer emptying cycles of up to three years.

Low user maintenance
No internal electrical or mechanical moving parts inside the tank, offering minimal maintenance compared to other processes on the market which are prone to breaking down.

No odours*
The WPL Diamond wastewater treatment range is odourless so you won’t even know it’s there!

No hidden costs
The standard package includes a WPL Diamond DMS tank, WPL kiosk, alarm beacon, blowers and 10 metres air hose. Additional extras are available.

Simple installation
Compact in design, keeping the excavation to a minimum and the installation simple, with little disruption.

*subject to correct installation, consistent influent conditions and regular plant maintenance as per the manufacturers’ instructions.

Fully compliant
The high quality WPL Diamond range is CE marked, fully type tested and certificated in accordance with the mandatory European standard BS EN12566-3 2014 for small wastewater treatment systems.

Kind to the environment
Unlike other tanks on the market, our WPL Diamond has no need for additional chemicals, to reduce our environmental impact.

Environment Agency approved
The liquid matter (effluent) discharged by our WPL Diamond range is fully compliant with the regulations set by Environment Agency (EA) and exceeds normal consent standards.

Technical Specification

No. of people: 15

Shortname: 15 person w/780mm invert

Outlet: Gravity

Model: DMS4

Inlet Invert: 780mm

Installation Service

We can also offer an installation service for our stormwater attenuation, rainwater harvesting, water storage and sewage treatment solutions. Get in touch here.

Contact Us

Our team of experts are available and ready to speak to you. You can contact us or call us directly on 0121 351 3230. Available Mon-Friday 8am-5pm.

Further questions?

Our team of specialists are here to help. We install many of our products so can provide real-world advice. We also offer a free take-off service if required.

Make an enquiry