Marsh WellWater:AmazonTM

Ø2.5m horizontal pump station

WellWater Amazon pump stations are Ø2.5m horizontal units, available in storage capacities ranging from 7710 litres to 100,000 litres.

Each system is supplied as a complete unit with either twin submersible pumps with guide rails and high quality internal pipework/fittings as standard.

These pump stations are typically used in extra large domestic or commercial applications for pumping foul water or sewage to mains sewer.

All Marsh pump stations are available for dirty water (DW) or sewage (SW), in single pump (SP) and twin pump (TP) configurations.

Configuration and components are shown for illustration purposes only

WellWater Amazon pump station


  1. Inlet
  2. Submersible pump(s) – Single or twin pumps with guide rails
  3. Guide rails
  4. Pump retrieval chain
  5. Non-return valve(s)
  6. Gate valve
  7. Outlet connection
  8. Ducting and cable entry points
  9. Vent
  10. Manway access
  11. Float bracket

Float configuration options
A. Pump ‘OFF’ float switch
B. Pump 1 ‘ON’ float switch
C. Pump 2 ‘ON’ float switch (on twin pump configurations)
D. High water float switch

Note: Floats can be fitted directly to specific pump systems. Please contact Marsh Industries to discuss your project requirements.

Marsh WellWater amazon diagram

  • Designed to British Standard European Norm’s:
    BSEN12050 for structural strength and water-tightness
    BSEN752 to comply with hydrostatic and electrical requirements
    BSEN752-6 for drain and sewer systems in outside buildings
  • Smooth internal walls and integral pump well improves pump efficiency and eliminates ‘dead spots’ which can lead to odours and septicity
  • Variable invert depths and orientations ­­­to suit individual site conditions
  • Pre-assembled pipework for fully automatic operation
  • Unique ‘keying-in’ lip on WellWater:Seine range assists anchoring into concrete surround

WellWater:Amazon range examples (Tanks with capacities up to 100,000 litres are available on request)

Model Single/Twin pump Application Diameter
Capacity (Litres) Invert Pipework dia
TS2520 Twin Sewage 2500 2000 7710 min 500 110 or 160
TS2535 Twin Sewage 2500 3500 15050 min 500 110 or 160
TS2540 Twin Sewage 2500 4000 17500 min 500 110 or 160

The dimensions given on this page are for guidance only.
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%.

Marsh product portfolio and specifications
Marsh product portfolio and specifications

Alarm systems

Pump station alarms monitor the level of liquid inside the units. An alarm signal is generated when there is an excessive level of liquid, or if the unit requires emptying.

Marsh Industries can supply various types of alarm, as well as bespoke options as required.

  • Beacon alarms
  • Klaxon and beacon alarms
  • SMS Alarms
  • Micro SMS battery alarms
  • Micro SMS solar panel alarms

GRP kiosks

Marsh GRP kiosks provide safe and secure storage of electrical control panels and other tank monitoring equipment.

The kiosks are typically fitted with one or two doors, depending on kiosk size, with stainless steel vents and yale locks.

Commissioning and servicing

Marsh Industries offers a nationwide service to cover all aspects of commissioning and servicing on the Marsh WellWater pump station range.

Commissioning and servicing packages can be tailored to customer requirements from basic comissioning contracts to commisioning and full service contracts, including on-going support and advice.

Advice and guidance

For advice and guidance on choosing the right products for your site please contact Marsh Industries on +44 (0)1933 654582 or email