Click to enlargeRule Pumps 12 Volt DC Automatic 
Submersible Bilge Pumps 
500 GPH - 2000 GPH

Automatic Bilge Pumps

Rule Pumps 12 Volt DC Automatic Bilge Pumps 500 GPH - 2000 GPH feature computerized operation on the principle of impeller resistance. Float switches are not required. The pump will turn on every 2-1/2 minutes to sense for water. If water is present, the pump will sense resistance and continue to run until all the water is removed. Thereafter, it will check for water every 2-1/2 minutes.Power use in the checking mode is minimal. Ships next business day



Rule Pumps 12 Volt DC Automatic Submersible Pump Data
Model GPH Amps @12v Amps @13.6v Fuse Size Height Width Weight (lbs) Hose Diameter
25S 500 1.9 2.5 2.5 4” 2-3/8” 1 3/4”
27S 1100 3.3 5.0 6 4-1/2” 2-3/8” 1 1-1/8”
53S 2000 8.4 12.0 15 7-3/4" 4-3/4” 4 1-1/8”




Rule Pumps Automatic Submersible 12 Volt DC Bilge Pump,  500 GPH  25S<br>
Rule Pumps Automatic Submersible 12 Volt DC Bilge Pump, 500 GPH 25S


Rule Pumps Automatic 12 Volt DC Bilge Pump, 500 GPH 25S 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. Ships next business day



Rule Pumps Automatic Submersible 12 Volt DC Bilge Pump, 500 GPH 25S
RUL-PMP-25SList: $75.00Discounted Price $55.00
Rule Pumps Automatic Submersible 12 Volt DC Bilge Pump, 1100 GPH  27S <br>
Rule Pumps Automatic Submersible 12 Volt DC Bilge Pump, 1100 GPH 27S


Rule Pumps automatic submersible 12 Volt DC 1100 GPH 27S bilge pump offers impressive pumping power for its size and cost. 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 minutes.Power use in the checking mode is minimal. Ships next business day



Rule Pumps Automatic Submersible 12 Volt DC Bilge Pump, 1100 GPH 27S
RUL-PMP-27SList: $114.00Discounted Price $83.00
Rule Pumps Automatic Submersible 12 Volt DC Bilge Pump, 2000 GPH  53S  <br>
Rule Pumps Automatic Submersible 12 Volt DC Bilge Pump, 2000 GPH 53S


Rule Pumps Automatic 12 Volt DC Bilge Pump, 2000 GPH 53S submersible bilge pump is used by leading boatbuilders worldwide. Engineered to commercial standards. 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. Ships next business day



Rule Pumps Automatic Submersible 12 Volt DC Bilge Pump, 2000 GPH 53S
RUL-PMP-53SList: $248.00Discounted Price $181.00