Free Economy Shipping on Orders $89 or More

Some Exclusions Apply

Rule 500 GPH Automatic Bilge Pump, 12V, Model 25SA

Back to Previous Page

Rule 500 GPH Automatic Bilge Pump, 12V, Model 25SA
Catalog Number 3820025

Click for more Images
$86.87/ EA
Enter Quantity

3.00 LB

Rule Pump 25S, fully automatic 500 GPH submersible 12 volt DC bilge pump is used by leading boatbuilders worldwide. It features an easy clean snap lock strainer, silent and vibrationless operation, anti-airlock protection, compact, efficient long life motor, marine grade blocked wiring, ignition protection, no burn-out when run dry and rust and corrosion protection.


Automatic Operation: Pump turns on and checks for water approximately every 2-1/2 minutes. If resistance (water) is found, it will run for as long as water is present. When all the water is pumped out, the pump shuts off and returns to its 2-1/2 minute test cycle. Amp Draw During Automatic Check: 0.5 Amps in a 24 hour period Manual Operation: The pump can be started at any time by disconnecting it from the power source, waiting for 5 seconds and reconnecting to the power source Amp Draw @ 12.0 Volts: 1.9 Amp Draw @ 13.6 Volts: 2.5 Fuse Size: 2.5 amps Discharge Opening: 3/4" Discharge Finish: Barbed Housing Material: ABS Strainer Material: ABS Impeller Material: Nylon Shaft Material: Stainless Seal Material: Nitril/Teflon Temperature Limit: 200 F Fluid Capabilities: Bilge Water Typical Life: 1500 hours Wire Length: 29" Wire Gauge: 16 gauge Height: 3-1/2" Width: 2-3/8" Depth: 2-3/8" Weight: 9 oz Certifications: NMMA Type Accepted Equipment # 704213, IMCI Certified - ISO 8849, CE Certified, UPC Code 0-42237-08313-5

Capacity # 25S Automatic Pump In Gallons Per Hour
Operating VoltageHead In Feet
Gallons Per Hour
12 VDC480310180
13.6 VDC500360260


 Warning: This product MAY expose you to chemicals, which are known to the State of California to cause cancer, birth defects and/or other reproductive harm. For more information go to