Rule Rule-Mate 800 Fully Automated Bilge Pump – 12V – RM800B

The Rule-Mate 800 (RM800B) is a compact, fully automated 800 GPH bilge pump designed to deliver reliable, hands-free bilge water management for small to mid-sized boats. Featuring an integrated solid-state float switch, the RM800B activates automatically when water enters the bilge—eliminating the need for external switches or complicated wiring.

Using Rule’s advanced electronic water-sensing technology, this pump detects rising water levels with no moving float components, ensuring long-term durability and reducing the risk of mechanical failure. Its efficient 12V motor provides strong pumping performance while maintaining low power draw, making it ideal for day cruisers, center consoles, runabouts, and other vessels with limited bilge space.

Built from corrosion-resistant materials and designed to withstand harsh marine conditions, the Rule-Mate 800 includes an internal backflow-prevention check valve to reduce water re-entry and keep your bilge drier. Simple to install and easy to maintain, this automated pump gives boaters peace of mind on the water.

Key Features:

• 800 GPH Pump Capacity: Reliable water removal for small to mid-sized boats

• Fully Automated Operation: Integrated solid-state float switch—no external components

• 12V Compatibility: Perfect for standard marine electrical systems

• Electronic Water Sensing: No moving parts; consistent, long-term performance

• Backflow Prevention: Built-in check valve helps keep bilge water from returning

• Ignition Protected: Safe for use around engines and fuel systems

• Compact, Durable Construction: Corrosion-resistant materials for marine environments

• Efficient Performance: Strong pumping action with low electrical draw

• Model RM800B: Trusted Rule Marine engineering and reliability

The Rule-Mate 800 Fully Automated Bilge Pump – RM800B is the ideal choice for boaters seeking dependable, maintenance-friendly, automatic bilge protection in a compact package.

Features:

• State-of-the-art water sensing technology
• Pump turns on when water level rises and shuts off when water is removed
• No float switch required
• 800 GPH/3028 LPH
• Anti-fouling impeller
• Submersible
• Ignition protected
• Includes back flow preventer
• 3-year warranty