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Submersible Water Pumps

Submersible pumps are the most widely used type of water pump, designed to operate fully submerged in the liquid they are pumping. They are used across residential, commercial and industrial applications for water transfer, drainage, flood response and wastewater handling.

This collection includes clean water, dirty water, high-flow and high-head submersible pumps, all selected based on real-world performance. UK stock, ready for fast dispatch.

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    Original price £75.00 - Original price £239.00
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    APP BPS Submersible Puddle Pump

    • Manual and auto models available
    • BPS80 & BPS100 Manual models pump as low as 3mm
    • 2 year warranty
    • Choose between 230v or 110v
    APP

    Cost‑Effective Puddle Pumps for Clean & Slightly Dirty Water APP Pumps offer the BPS series of puddle pumps — a range of cost‑effective and r...

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    EGO 500 SELS Automatic Puddle Pump - Pumps to Low Levels with Auto Sensor

    • Perfect for narrow sumps and chambers
    • Automatic low level pump
    • Adjustable electronic start/stop
    • 230v with 3 pin Domestic Plug
    Flood Protection Solutions

    EGO 500 SELS Automatic Puddle Pump – Pumps Down to 1mm The EGO 500 SELS automatic submersible puddle pump is perfect to use in narrow sumps and ch...

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    Stream SPP2-4 Submersible Puddle Pump - Great Value Easy to Use Flood Pump

    • Best for small floods & light use
    • Pumps to low levels (circa 2mm)
    • Compact, lightweight and easy to use
    • 230v 3 Pin Domestic Plug
    • 2 Year Warranty
    Stream Pumps

    Best Budget Puddle Pump – Pumps Down to 2mm What is the SPP2‑4 pump used for? Designed and manufactured by Stream Pumps, the SPP2‑4 puddle su...

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    Tsurumi LSC 1.4S - Puddle Sucker Pump - Manual and Automatic Puddle Pumps

    • Pumps as low as 1mm
    • Operates for extended periods
    • Used widely by hire, utilities and water companies
    • Choose Manual or Automatic
    • Adjustable discharge connector (vertical or horizontal outlet)
    Tsurumi Pumps

    Tsurumi LSC 1.4S Puddle Pump – Pumps Down to 1mm TSURUMI Pumps are the original manufacturer of the LSC 1.4S puddle sucker pump – a high-performan...

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    APP RS(EA) Automatic Submersible Puddle Pumps (RS32EA & RS40EA) - Ideal for Narrow Spaces

    • Pumps clean and dirty water
    • Automatic
    • Ideal for narrow spaces
    • Pumps to low levels!
    • 230v 3 Pin Domestic Plug
    APP

    Compact Automatic Submersible Pumps for Shallow Water & Tight Spaces APP Pumps manufacture the RS32EA and RS40EA automatic submersible pumps, d...

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    Stream SPK530 Puddle Sucker Pump - Pumps to 1mm Depth - Heavy Duty Flood Pump

    • Best for larger or repeated flooding
    • As seen on the Environment Agency's Floodmobile
    • Pumps as low as 1mm
    • 3 Year Warranty
    • 110V or 230V
    • Adjustable discharge connector (vertical or horizontal outlet)
    Stream Pumps

    Stream SPK530 Heavy Duty Puddle Sucker Pump – Pumps Down to 1mm Stream Pumps are the manufacturer of the SPK530 puddle sucker pump. The manufacture...

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    EVAK Residox 400 Manual Puddle Pump

    • Ultra-low-level manual puddle pump, removes water to approximately 1 mm
    • 250 l/min flow, 11 m head, suited to domestic and light commercial flooding
    • Stainless steel build, cast iron housing, Hytrel impeller
    • Surface-safe rubberised base for finished floors
    • 110V or 230V, no priming required
    EVAK

    EVAK Residox 400 Ultra-Low-Level | Pumps Down to 1 mm | No Priming Required | 110V & 230V Options The EVAK Residox 400 is a stainless steel ult...

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    Original price £395.00 - Original price £395.00
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    AMA Drainer 301 Automatic Submersible Water Pump 230v | Manual and Automatic Modes

    • Perfect for drainage of pits, cellars or yards
    • Manual or Automatic modes
    • Reliable
    • 230v
    Flood Protection Solutions

    AMA Drainer 301 Automatic Submersible Water Pump 230v - Great for Sump Stations The AMA Drainer 301 is one of the UK’s best-selling automatic subme...

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    Original price £185.50 - Original price £185.50
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    Evak Hippo 100 Sewage Pump (11m Head Lift) DN50-100

    • Impressive Solids Handling (50mm free passage)
    • Perfect for sewage, drainage and dirty water
    • Heavy Duty
    • Impressive Flow Rate
    EVAK

    Dirty Water & Sewage Pump – 50mm Solids Handling Submersible Pump Why Choose the EVAK Hippo 100? The EVAK Hippo 100 is a robust, cost‑ef...

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    Original price £325.00 - Original price £325.00
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    EGO 500 GI Submersible Drainage Dual Automatic and Manual Puddle Pump

    • Perfect for narrow sumps and chambers
    • Dual Control (automatic and manual settings)
    • Pumps as low as 10mm (in manual mode)
    • 230v 3 pin Domestic Plug
    Flood Protection Solutions

    Dual‑Mode Low‑Suction Puddle Pump for Narrow Sumps & Low Water Levels The EGO 500 GI submersible puddle pump is perfect to use in narrow sumps ...

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    Original price £169.00 - Original price £169.00
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    £169.00 £202.80
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    Evak Hippo 50 Sewage Pump (7m Head Lift) DN50-50

    • Impressive Solids Handling (50mm free passage)
    • Perfect for sewage, drainage and dirty water
    • Heavy Duty
    • Impressive Flow Rate
    EVAK

    Dirty Water & Sewage Pump – 50mm Solids Handling Submersible Pump The Evak Hippo 50 Sewage Pump is a heavy-duty, submersible sewage pump engine...

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    Original price £295.00 - Original price £295.00
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    FPS Iguazu Sump 635 | Packaged Sump Pump Station | Clean Water, Grey Water & Flood Water

    • Simple to install
    • Quiet in operation
    • Combined Sump & Pump system
    • Clean Water, Grey Water & Flood Water
    Flood Protection Solutions

    FPS Iguazu Sump 635 Packaged Pump Station The FPS Iguazu Sump 635 is a compact, high-performance packaged pump station designed to automatically ma...

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    APP SV Submersible Stainless Steel Sewage Pump

    • Good solids handling capability (27mm-37mm)
    • Perfect for sewage, drainage and dirty water
    • Portable submersible pumps
    • Manual or Auto, 110v or 230v
    APP

    APP SV Submersible Sewage Pumps – Robust Wastewater, Dirty Water & Solids Handling Solutions The APP SV Submersible Sewage Pump range is a reli...

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    Evak Trenchman Heavy Duty Submersible Auto Contractor Site Pump

    • Perfect for site drainage
    • Complete with Agitator
    • Highly resistant to Abrasion
    EVAK

    Evak Trenchman Pump with Agitator for Site Drainage The Evak Trenchman range is engineered for demanding trench dewatering and general site drainag...

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    Mizar and Mizar VOX Submersible Pump - Stainless Steel Corrosion Resistant Water Pump

    • Manual and automatic models available
    • Designed for consistent operation in challenging duties
    • Pumps clean and dirty water
    Flood Protection Solutions

    Stainless Steel Submersible Pumps for Clean & Dirty Water Applications The Mizar series is manufactured from high-grade 304 stainless steel, gi...

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    Tsurumi POMA Submersible Automatic Sump Pump - Tube Float Switch, Ideal for Narrow Chambers

    • Perfect for narrow sumps and chambers
    • Automatic pump
    • 3-year warranty
    • 230v or 110v Options
    Tsurumi Pumps

    Tsurumi POMA5 Automatic Submersible Pump (Supersedes the POMA4) Compact, Reliable & Designed for Narrow Chambers and Sumps The Tsurumi POMA5 is...

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    APP HD-15 Submersible Site Pump - High Flow Rate Water Pump

    • Very high flow submersible pump (830 litres/min)
    • Excellent wear resistance to sand and silt
    • Also suitable for ponds and water features
    • Manual or Auto
    • 230v or 110v
    • Choose 50mm or 80mm Outlet
    APP

    APP HD-15 Submersible Pump – High-Flow The APP HD‑15 is a powerful, high‑flow submersible drainage pump designed for applications where maximum wat...

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    Tsurumi HS Submersible Site Drainage Water Pump

    • Excellent wear resistance to sand and silt
    • Contractor pumps
    • Ideal for site drainage
    Tsurumi Pumps

    Tsurumi HS Series – Reliable Submersible Drainage Pumps for Tough Site Conditions The Tsurumi HS Series, manufactured by Tsurumi Pumps is one of th...

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    Stream SPA250 Submersible Automatic Water Pump - Great Value Small Water Pump

    • Universal fittings of 32mm, 25mm, and 19mm
    • Can handle liquids up to 35°C
    Stream Pumps

    Stream SPA250 Submersible Automatic Water Pump – Lightweight, Clean Water Pumping The Stream SPA Submersible Automatic Water Pump is a cost-effect...

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    Tsurumi LB Submersible Hardwearing Manual and Automatic Contractor Pumps

    • Perfect for site drainage
    • Can be used for extended periods with little or no water
    • Compact contractor pumps
    • Automatic or Manual Options
    Tsurumi Pumps

    Tsurumi LB Series Submersible Pumps – LB480, LB800 & LB1500 Heavy Duty, Durable Site Drainage Pumps Built for Tough Conditions.  The Tsurumi LB...

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    FPS Iguazu Sump Twin | Packaged Dual Pump Station | Clean Water, Grey Water & Flood Water

    • Simple to install
    • Quiet in operation
    • Combined Sump & Pump system
    • Clean Water, Grey Water & Flood Water
    Flood Protection Solutions

    FPS Iguazu Sump 635 Twin Packaged Pump Station Overview The FPS Iguazu Sump 635 Twin is a robust, high-performance dual packaged pump station desig...

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    Stream SPK450A 110v Site Drainage Contractor Water Pump - Manual and Auto Models

    • Perfect for site drainage
    • Compact contractor pumps
    • Unrivalled value for money
    Stream Pumps

    The SPK450A series of water pumps from Stream Pumps are the ideal solution if you are looking for heavy duty pumps for submersible site drainage. T...

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    APP BCV Submersible Sewage Pump - Vortex Impeller

    • Ideal for sewage treatment, agricultural, pumping stations
    • Excellent solids handling capability (50mm-80mm)
    • High flow
    APP

    App Pumps now offer an even wider range of BCV pumps to choose from. Each of which comes with a full 2-year manufacturer guarantee. These submersib...

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    Mizar/s and Arvex/s Submersible Chemical Resistant Water Pumps - 316 Grade Stainless Steel

    • Enhanced corrosion resistance
    • Can be used for industry, light chemicals and final effluent
    • Designed for consistent operation in challenging duties
    • The maximum temperature of the liquids that can be used is 50 °C
    Flood Protection Solutions

    Mizar 60/S & Arvex 150/S – 316 Stainless Steel Submersible Pumps The Mizar 60/S and Arvex 150/S are heavy-duty submersible pumps manufactured f...

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Submersible Pumps: Versatile Pumps for Water Removal and Transfer

Submersible pumps sit directly in the water, allowing them to push water out rather than draw it in. This makes them more efficient, easier to use, and more reliable than surface-mounted alternatives in most situations.

They are used across a wide range of applications, including:

  • Site drainage and construction dewatering
  • Flood water removal
  • Water transfer between tanks or areas
  • Wells and boreholes
  • Wastewater and sewage pumping
  • Ponds and water features

Different submersible pumps are designed for different duties, so selecting the correct type is critical.

Types of Submersible Pumps

Submersible pumps are not a single product type. They vary significantly depending on the application, liquid type and performance required.

Clean Water Submersible Pumps

Used for water with little to no solids, such as tanks, pools, or light flood water.

Dirty Water Submersible Pumps

Designed to handle suspended solids and debris, making them suitable for site drainage and flood conditions.

High Flow Submersible Pumps

Built to move large volumes of water quickly, ideal for flood situations and large areas.

High Head Submersible Pumps

Use stacked impellers to generate higher pressure where water needs to be pumped over longer distances or heights.

Sewage Submersible Pumps

Designed for foul water containing solids and waste. These are used in drainage systems and below-ground installations.

How Submersible Pumps Work

A submersible pump consists of a sealed electric motor connected to an impeller within a watertight housing.

When powered, the motor spins the impeller, creating a pressure difference:

  • Low pressure at the inlet draws water into the pump
  • High pressure at the outlet pushes water away

Because the pump is already submerged, it does not need to prime and can begin pumping immediately.

Understanding Performance: Flow Rate and Head

Submersible pumps are rated based on two key performance factors:

  • Flow Rate (L/min or m³/hr) – how much water the pump can move
  • Head Height (m) – how high or far the pump can push water

These are linked. As head increases, flow rate decreases.

To size a pump correctly, both must be considered together using a performance curve.

Water Pump Performance Calculator

Indicative only This calculator uses a simplified parabolic pump curve and the Hazen-Williams friction loss formula. Real pump curves vary by model. Results are a guide only — always verify against your pump's published performance data and consult our team if you are unsure.
How to use this calculator
  1. Enter your pump's max flow rate and max head from the datasheet or product listing. These are the peak figures at either end of the pump curve — max flow at zero head, max head at zero flow.
  2. Select your hose or pipe type. Suction and delivery hose is the most common for portable pumps. Layflat hose is used for longer water transfer runs. Rigid PVC pipe is for fixed installations.
  3. Choose the diameter to match your pump outlet or the hose you intend to use.
  4. Enter the total length of your hose or pipe run in metres from pump outlet to discharge point.
  5. For rigid pipe, add any 90 degree bends using the counter. Each bend adds resistance equivalent to extra pipe length.
  6. Read the results. The calculator estimates your duty point — the flow rate and head your pump will likely deliver through that hose run. For longest pump life, aim for a duty point in the mid-curve range (roughly 40 to 70% of max flow).

Labelled "max flow" or "free flow" on the datasheet — the flow at zero back pressure

Labelled "max head" or "total head" — the maximum height the pump can push water at zero flow

Suction / delivery hose

PVC reinforced, helix coil, smooth bore — max 6 bar working pressure

Vertical rise from pump to outlet. Enter 0 if pumping on flat ground

Friction loss per 10 m
m head / 10m
Total friction loss
metres head
Head remaining after friction
metres head
Estimated flow at duty point
L/min (indicative)

Choosing the Right Submersible Pump

When selecting a submersible pump, consider:

What are you pumping?

Clean water, dirty water, sewage or chemicals all require different pump designs.

How much water needs to be moved?

Flow rate determines how quickly you can clear an area.

How far does the water need to go?

Both vertical height and horizontal distance affect performance.

What power supply is available?

  • 110V (site use)
  • 230V (standard supply)
  • 3-phase (industrial/high performance)

Manual or automatic operation?

  • Manual pumps require switching on/off
  • Automatic pumps use float switches to activate when water rises

Learn about automatic pump switches.

Submersible Pumps for Flood Use

Submersible pumps are one of the most effective tools for flood response. They are quick to deploy, reliable, and capable of moving large volumes of water.

They can also be installed permanently as part of a flood resilience system, where automatic pumps activate when water levels rise.

Key Benefits of Submersible Pumps

  • Operate directly in water (no priming required)
  • Quick to deploy and easy to use
  • Reliable in flood and drainage conditions
  • Wide range of types for different applications
  • Suitable for both temporary and permanent setups

Stocked Submersible Pumps from Leading Brands

We supply submersible pumps from trusted manufacturers including:

Tsurumi Pumps, APP Pumps, Stream Pumps and EVAK Pumps.

All pumps are selected based on real-world use in flood and drainage projects, with stock held in the UK for fast dispatch.

Large UK Stock, Ready for Dispatch

We hold significant stock of submersible pumps in our UK warehouse, with next-day delivery available to most areas.

If you are unsure which pump is right, we can help you narrow down the options based on your application.

Submersible pump in floodwaters with a boot nearby, featuring 'Flood Protection' branding.

How to Read a Pump Curve | Video