Wastewater Products

Above Ground Storage Tanks

Through our network of trading partners, we are able to supply both vertical and cylindrical tanks for installation above ground.

Storm Water Attenuation Tanks

A substantial range of one piece vessels, from 1,000L to 275,000L, are offered.

Dosing Systems

Synergy offers a programmable automated dosing system to compliment Grease Trap installations.

Grease Traps / Interceptors

Building Regulations part H1 Section 2, 2002 requires commercial kitchens to have an effective means of Fats Oils and Grease removal / treatment from the drainage system.

Silt Traps and Washdown Separators

A Silt Trap with an expanded mesh cover is available. The type of cover offered, Standard duty: – B125 Rating.

Forecourt Separators

Similar in design to the Full Retention separators, only with a minimum volume of 10,000 litres.

Full Retention Separators

They are used where there is a foreseeable risk of oil/hydrocarbon pollution, such as vehicle maintenance areas, fuel dispensing points, and oil depots.

Bypass Separators

Are used in hard standing areas where there is a light risk of hydrocarbon contamination to the surface water run off, i.e. Car Parks, Roadways, Industrial Estates, Goods Yards etc.

Pumps and Spares

Synergy carries stocks of Boxed Pumps, which are available for installation into existing systems or for upgrades.

Pumping Stations

Standard and bespoke systems are offered to pump both foul and surface water. Pump stations are used to raise the level of the discharge to the invert of a local gravity mains or private system

Rainwater Recovery and Harvesting Systems

Demand for rainwater recovery / harvesting systems is increasing dramatically, as awareness for water conservation increases.

Storage Tanks

Synergy Wastewater Treatment Products offer a range of storage tanks from 2,800 litres through to 275,000 litre capacity in a single (unitank) design.

Sealed Cesspools

Sealed Cesspools are used where the discharge of sewage effluent is not permitted. A Cesspool stores all of the influent.

Low Profile Septic Tanks

In addition to The EN12566-1 Standard these tanks are CE marked for use throughout Europe.

Spherical Septic Tanks

Four decades on from the first Pre Fabricated GRP Septic Tank and still going strong.

Biological Aerated Super Septic Tank


The BASS1 Biological Aerated Super Septic Tank with filtered outlet is offered to the market as an alternative to a Sewage Treatment Plant.

Sewage Treatment Plants

To serve Population Equivalents (pe) of 6, 12, 16, & 20. This range covers the domestic market from a single house, through to say a four house development, dependant on property type/size etc.