Designed to bring pumping power to tight spaces.
Rule’s LoPro Series Bilge Pumps are only 2.25”high. The 900S model features two automated modes. The first one engages the pump when the water level reaches 2” or 1.3” (user choice); and the second one checks for water by briefly turning on the pump every 2.5 minutes.
- Multiple modes of operation: The 900S features two automated modes of operation
- Horizontal or vertical mounting: The 900S features a variety of mounting options to accommodate the boat’s design
- High or low water sensing mode: The pump starts when water reaches a 2” level. By turning the motor cartridge upside down, the sensor is at 1.3”
- Electronic automatic mode: The pump automatically turns on every 2.5 minutes to check for water, and if it’s detected the pump stays on until the water is gone.
- Fully rotating discharge body: The entire body swivels up to 180°, making the pump extremely easy to install.
- Threaded discharge nozzle: Multiple ports are available for this pump.
- ¾” straight, ¾” right angle; 1”, 1-1/8”
- All ports are included in the aftermarket package
- Backflow prevention. New tricuspid check valves help prevent backflow

Specifications LP900S:
Voltage: 12Vdc
Flow: 900GPH open flow at 13.6V
Amp Draw: 4A approx
Protection: TCO
Port Configuration: 3/4”, 1”, 1-1/8” Straight, 90 degree 3/4”
Backflow preventer valve can be used with straight fittings
Height: 2.3”
Length: 7.6”
Width: as little as 2.3”