Rule-Mate fully automatic submersible bilge pumps with Rule's exclusive "Spongeability" feature. Award winning innovative design incorporates the bilge pump and water sensor in a single housing. Unique Rule "Spongeability" feature leaves the bilge the driest ever - When water in the bilge reaches a certain height the sensor automatically activates and the pump runs untill water is pumped out, reducing boat weight, saving fuel and minimizing bilge odour. 12v. 3 year limited warranty.

• Fully automatic submersible bilge pump systems
• Bilge water sensor and pump in a common housing
• No battery drain other than when pump is in use
• Removable strainer and impeller area are accessable to clear debris
• Pump and switch are internally wired for easy installation
• A 3rd wire allows for manual over-ride using Rule switch panel (RWB23 or RWB107 12v) or it can activate an alarm or indicator lamp
• Thermal overload protection.
• Single touch test button feature