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Submersible or Sump Pumps
Sump pumps are fantastic in flood defence schemes, but they must be submersed in water to function correctly. They are often permanently wired in and installed into sumps. When coupled with an automatic float switch they are perfect for passive flood defence schemes.
- Wet ground that becomes impermeable
- Small cracks in the ground
- Sewage pipes
- Unbalanced water pressure due to flood
- Groundwater rising
- Rainfall
- Seepage
Sump pumps are very good at dealing with groundwater flooding, seepage and rainfall. They allow the ground water and flood water to be drained away effectively. Sump pumps generally have higher flow rates than puddle pumps. Unlike a puddle pump, a submersible pump cannot run dry, and requires pre-installation work with a chamber.
Groundwater flooding is not yet well understood, but it is where periods of high rainfall fill the water table resulting in the flooding of basements or groundwater appearing at the surface, which can add to or cause flooding. This is usually common when the ground is low lying or near to a watercourse.
Sump pumps can help deal with groundwater flooding, helping to keep your property dry.
- Wide choice of flow rates
- Can be permanently installed
- Good at dealing with groundwater flooding, seepage and rainfall
- Use internally or externally