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View store informationThe Stream SPK530 is a heavy-duty puddle sucker pump designed for removing floodwater and low-level standing water from floors, roofs, basements, garages and construction sites.
Unlike a conventional submersible pump, which normally leaves several centimetres of water behind, the SPK530 can pump water down to approximately 1mm under suitable conditions. It delivers a maximum flow rate of up to 170 litres per minute and is available in either 110V or 230V.
Manufactured by Stream Pumps, the SPK530 is supplied with a 3-year manufacturer’s warranty.
As seen on the Environment Agency FloodMobile.
The SPK530 is suitable for residential, commercial, industrial and hire-fleet applications, including:
The pump is suitable for clean and slightly dirty water, including typical floodwater. It is not suitable for raw sewage or water containing large solids.
*Only use the pump to empty an unoccupied hot tub. Allow the water to cool before pumping and flush the pump thoroughly with clean water afterwards.
The Stream SPK530 is one of the strongest options for removing shallow floodwater because it combines a high maximum flow rate with the ability to pump down to approximately 1mm.
This makes it particularly useful where a conventional submersible pump would stop working while a significant layer of water remained. Typical applications include garages, basements, commercial floors, flat roofs and other level surfaces.
Actual residual water depth will depend on the flatness and condition of the surface, the presence of debris and how evenly water can reach the pump inlet.
The SPK530 can reduce standing water to approximately 1mm under suitable operating conditions. Its specially designed bottom plate allows it to continue drawing water at a much lower level than a conventional drainage pump.
For the best results, position the pump on a reasonably flat surface and remove any debris that could obstruct the inlet or prevent water from flowing towards the pump.
No. The SPK530 is a manual electric pump. This means it starts when the electrical power is switched on and stops when the power is switched off.
It does not rely on a conventional external float switch, which allows it to operate in much shallower water. The pump should therefore be monitored and switched off when pumping is complete.
Yes. Although the SPK530 is designed to remove very shallow water, it can also be fully submerged to a maximum depth of 5 metres.
This allows the same pump to be used for both deeper floodwater and the final removal of low-level residual water.
The Stream SPK530 delivers a maximum flow rate of up to 170 litres per minute and has a maximum head of 11 metres.
Maximum flow and maximum head occur at different points on the pump curve. The actual flow achieved will depend on the vertical pumping height, hose length, hose diameter, bends, fittings and other resistance within the discharge arrangement.
For a more accurate estimate, refer to the pump performance graph and select the expected flow at the required operating head.
The SPK530 has a maximum head of 11 metres, so it can pump water vertically or route it over walls, steps and other obstacles, provided the total resistance remains within the pump’s operating capability.
Long hoses, narrow outlets, bends and vertical lift will reduce the flow rate. A kink-resistant hose is therefore recommended where the discharge route is long or uneven.
The most popular hose used with the SPK530 is the 25mm suction and delivery hose. Its reinforced construction helps it resist kinking when routed over walls, around corners or up steps.
25mm layflat hose is another option. It is lightweight, economical and easy to store, although it is more likely to kink or flatten where the route changes direction.
The pump is supplied with a 25mm hose tail. A suitable hose clip, commonly known as a Jubilee clip, is normally all that is required to secure the hose.
Yes. The SPK530 has an adjustable discharge connector that can be positioned horizontally or vertically.
To adjust the outlet, remove the two silver bolts, rotate the discharge plate to the required position and refit the bolts. Selecting the most suitable outlet direction can reduce hose kinking and improve the achievable flow rate.
Choose the 230V model for use with a standard domestic or commercial electrical supply.
The 110V model is generally selected for construction sites and other professional environments where a 110V centre-tapped transformer supply is required for site safety.
Always confirm that the available electrical supply is compatible with the selected pump before use.
| Model | SPK530 |
| Manual/ Auto | M |
| Outlet/ mm | 25 |
| Kw | 0.48 |
| Volt | 110/230 |
| Flow ltr/min | 170 |
| Head /m | 11 |
| On Level/ mm | NA |
| Off Level/ mm | NA |
| Free Passage | 5 |
| W x L x H /mm | ø195 x 335 |
| Weight /Kg | 13.5 |
Layflat hose is very affordable but can kink. Depending on your use, you may be better using a reinforced suction delivery hose for your needs.
Suction delivery hose is ideal for pumping up stairs or over obstacles.
Jonathan Martin explains the differences to help you choose which hose is best for your scenario.
Puddle pumps are a special type of submersible pump that do not need to be fully submersed in water. They can pump to very low levels of water (i.e a puddle) without the pump overheating or becoming damaged. This removes the need for a chamber to be dug.
