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12V Manual Bilge Pump – Rule 500


Fully Submersible.  Max Flow = 31LPM.  Max Head = 3.5m.  Ignition Protected

SKU: RWB801 Categories: ,
Additional information

Rule 500 12V Manual Bilge Pump

This compact submersible 31LPM (500 GPH) 12V Manual Bilge Pump is mainly used as a bilge or bait pump but can be used as a water drainage pump where normal 240V power is not available.

The 12V Manual Bilge Pump is a totally submersible pump with water cooled, ignition protected motor, stainless steel shaft and snap-off strainer base is extremely efficient, draws low current and offers high capacity output in a very compact housing, to fit into the smallest available space.

As this is a Manual Rule Bilge Pump, it requires a Rule float switch to operate automatically.

  • 500 US gallons per hour – 31 litres per minute (depending on the head)
  • Compact – 99mm H x 74mm W x 64 depth (not including discharge)
  • Fully submersible
  • Ignition protected – won’t create a spark
  • 12 volt DC – 1.6 amp draw
  • Threaded hose outlet suits 20mm (3/4″) hose.  1 x straight port provided
  • 12 volt 500 GPH 1.6 amp
  • Snap on strainer base
  • Stainless steel shaft
  • 3 year limited warranty

I have included a flow chart, however the output, water flow and pumping height will vary depending on battery charge and type of installation.

Latest Features

  • 16 gauge tin coated copper electrical wiring with silicone infused water blocking feature
  • Higher flow – optimised impeller to provide greater flow at the same amperage as previous model
  • High efficiency, low amp motors include true Electromagnetic suppression (EMC)
  • Built-In thermal cut-out (TCO) in the motor provides additional protection for pump & vessel
  • Backflow prevention – now includes a check valve in the discharge port which reduces the amount of water draining back from the pump discharge hose into the bilge
  • Threaded discharge port – gives easier installation and maintenance.  Discharge hose port is included with each pump
  • Hidden air vents in the pump prevent air locking in challenging plumbing installations and helps with the check valve operation