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Rule-Mate Bilge Pump -500GPH, Automatic

Original price was: $143.05.Current price is: $110.77.

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Next generation compact submersible 500 GPH electric pump for use as a bilge or bait pump on smaller craft.

Totally submersible pump with water cooled, ignition and TCO protected motor, stainless steel shaft and snap-on strainer base. This pump is extremely efficient, draws low current and offers high capacity output in a very compact housing, to fit into the smallest available space.

Please note – using the included check valve will reduce the output flow of the pump. Available in both 12 volt & 24 volt models. 3 year limited warranty.

  • Fully submersible pump – 500 US gallons per hour – 31 litres per minute
  • Higher flow – optimised impeller to provide greater flow at the same amperage as previous model
  • High efficiency, low amp draw ignition protected motor includes true Electromagnetic suppression (EMC)
  • 16 gauge tin coated copper electrical wiring with silicone infused water blocking feature – to stop water wicking down inside the wiring
  • Built-In thermal cut-out (TCO) in the motor provides additional protection for pump & vessel
  • Backflow prevention – now includes a removable check valve in the discharge nozzle which reduces the amount of water draining back from the pump discharge hose into the bilge. Note – using the check valve will reduce the rated output flow.
  • 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
  • Compact – 99mm Height x 74mm Width x 64mm depth – not including discharge
  • 1 x straight port provided.
Part Number Capacity Voltage Amps Hose Outlet Suits Rule Model
RWB-822 500GPH 12V 1.6A Threaded 20mm (3/4″) 25DA
RWB-823 500GPH 24V 0.8A Threaded 20mm (3/4″) 25DA-24