Rule 3700 Non-Automatic Bilge Pump - 24v

The Rule 3700 Non-Automatic Bilge Pump – 24v is a heavy-duty marine pump engineered for serious boaters, commercial operators, and anglers who demand reliable water removal when the going gets rough. Whether you're running a pleasure cruiser, a working fishing vessel, or any boat that needs dependable bilge management, this pump delivers trouble-free operation in conditions where failure isn't an option. The non-automatic design puts control in your hands—you decide when water needs to be expelled, making it ideal for boats where manual oversight of bilge conditions is preferred.

Built for both commercial and pleasure boat applications, the Rule 3700 features robust construction that handles continuous duty cycles without compromise. The 24-volt electrical specification integrates seamlessly into standard marine electrical systems, while the 1-1/2-inch (38mm) discharge outlet ensures rapid water evacuation even in heavy bilge conditions. Rule has earned its reputation on the water through decades of manufacturing pumps that simply work—no leaks, no surprises, no unexpected downtime when you're miles from shore. The compact footprint at 8 x 7 x 11 inches allows flexible installation in tight engine compartments and bilge spaces where real estate is limited.

This non-automatic bilge pump is the choice of captains and boat owners who prioritize reliability and hands-on control over their vessel's safety systems. The manual operation model appeals to experienced boaters who monitor bilge levels actively and prefer simplicity in their pump systems. Installation requires a 24-volt power supply and proper hose routing to the discharge outlet—standard procedures for any marine mechanic. At 5.9 lbs, the Rule 3700 is manageable to install and service, and its proven track record means replacement parts and support are readily available through marine suppliers nationwide.