12V Small Low Profile Automatic Bilge Pump – LP900S LoPro


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SKU: RWB159 Categories: ,


LPD900S LoPro – 12V Small Low Profile Automatic Bilge Pump

The NEW Rule 12V Small Low Profile Automatic Bilge Pump is small enough to fit into tight spaces in the bilge – yet they pack real pumping power at 900 gallons per hour – 3,400 litres per hour – 57 litres per minute.

This 12V Small Low Profile Manual Bilge Pump includes numerous features for ease of installation, ease of use and multiple options for use.

2 models available – standard NON-auto or dual sensing AUTOMATIC.

  • Up to 900 GPH – 3,400 LPH – 57 litres per minute at open flow
  • Up to 634 GPH – 2,400 LPH – 40 litres per minute at 1 metre head
  • Up to 418 GPH – 1,582 LPH – 26 litres per minute at 2 metre head
  • Maximum head height – 4 metres = 0 flow
  • Compact 60mm high (port to the side) 60mm wide (port upright)
  • Length – 245mm RWB5159 Auto
  • Fully submersible – horizontal or vertical mounting
  • Ignition protected – won’t create a spark
  • Thermal cut-out to prevent overheating if run dry
  • Silicone blocked tinned 16 gauge wiring
  • Rotating discharge body swivels 180 deg for ease of installation
  • Threaded discharge nozzle with multiple hose ports included as standard in the package – 4 different hose ports provided –  1 each 20mm, 25mm & 28mm straight & 1 x 20mm 90 deg elbow
  • Straight discharge ports include a nitrile non-return check valve (for use on straight ports only – not to be used on 90 deg port)
  • 3 year limited warranty

12V Small Low Profile Automatic Bilge Pump

The automatic LoPro includes all features as detailed further above with the additional benefit of automatic operation in multiple modes – NO float switch is required.

  • High or low water sensing mode – the pump can be set to start operation at either 33mm or 50mm bilge water height
  • Electronic automatic timer mode – The pump can be set to automatically check for water every 2 1/2 minutes – if water is present it will continue to run and pump bilge water.  This feature   is very handy – however if you leave the boat unattended on a mooring it may run down the battery over time, if you don’t have solar panels or a wind generator Etc to constantly charge the battery – in this case set the pump only to high or low mode
  • Includes pump test mode
  • Includes manual over-ride 3rd wire – requires a Rule 3 way panel switch RWB23 or 107 to operate this feature
  • 12 volt 4 amp use a 7.5 amp fuse
  • 12 volt DC only – DO NOT run direct off a 240v-12v transformer

RWB5159 Automatic Rule LP900S LoPro bilge pump 12volt


Additional information



Minimum Litres Per Minute


Maximum Head (m)



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