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12VDC Electric Bilge Pump – Rule 3700


Max Flow = 233LPM.  Max Head = 6m.  Extra Heavy Duty. Can Run Dry for short periods

SKU: RWB10 Categories: ,
Additional information

Rule 3700 12V Manual Bilge Drainage Pump

This very high capacity extra heavy duty 12VDC electric bilge pump will deliver a huge 233 Litres Per Minute (3700 US gallons per hour – 1 gallon per second at open discharge).  They have extra heavy duty motors and are designed and built to give years of reliable service.

The 12VDC electric 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 High Capacity 12VDC electric bilge pump is a totally submersible pump with double insulated, dual water / air cooled motors manufactured by Rule specifically for marine pump use.

The pumps are ignition protected (will not create a spark) and they won’t burn out if run dry for short periods.

Moisture tight wiring, anti-airlock feature, stainless steel shaft and Rule’s exclusive Teflon seals combine to give total reliability and high performance.

These pumps include a snap-on strainer base for easy cleaning and fitting, stainless mounting screws and a clip to secure a float switch to the pump.

As this is a Manual Rule Bilge Pump, it requires a Rule float switch RWB19 or RWB98 to operate automatically.

  • 3700 US gallons per hour – 233 litres per minute (depending on the head)
  • Compact – 184mm H x 124mm W
  • Extra heavy duty water/air cooled motor
  • Fully Submersible
  • Teflon seals and stainless shaft
  • Can Run-Dry for short periods
  • 12 volt DC – 15.5 amp draw
  • Hose outlet suits 38mm (1 1/2″) hose
  • 12 volt 3700 GPH 15.5 amp
  • 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.