Rule is a trusted global leader in submersible bilge pumps and accessories for both recreational and small commercial boats. Their range of high-quality products includes submersible bilge pumps, ventilation blowers, rule mate automatic bilge pumps, switches, and alternative energy with rechargeable bilge pumps.
Rule Pumps: The Industry Standard for Quality and Reliability
With a reputation for quality, assurance, and exceptional customer care built over 35 years, Rule has become the industry standard for both manual and automatic submersible bilge pumps. These automatic computerized sump pumps are used for draining pools, pool covers, basements, garages, utility rooms, sumps, boats, and other utility applications.As part of Xylem, Rule remains the top choice for boaters and manufacturers worldwide—often paired with reliable Bilge Pump Float Switches for complete bilge management.

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1-2 weeks delivery time The Rule 3700 Bilge Pump is a high-performance, durable pump designed for marine applications, compatible with both 12V and 24V systems. With a capacity of up to 234 liters per minute, it efficiently removes water from the bilge area, ensuring the vessel stays dry and free from flooding. Ideal for larger boats, yachts, and commercial vessels, it offers reliable and continuous protection against water ingress, even in harsh saltwater environments. |
$ 434,32
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1-2 weeks delivery time The Rule 4000 Bilge Pump is a high-capacity, automatic pump designed for larger boats and yachts. With a pumping rate of 252 liters per minute, it efficiently removes water from the bilge area to prevent flooding and ensure the safety of the vessel. This pump is compatible with both 12V and 24V electrical systems, offering versatile installation options. Its built-in automatic functionality provides hands-free operation, making it an essential component for maintaining a dry bilge and protecting your boat in any marine environment. |
$ 396,25
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1-2 weeks delivery time The Rule-Mate 500 GPH Automatic Bilge Pump offers an efficient, fully automated solution for keeping your boat's bilge dry. With a pumping capacity of 500 gallons per hour (GPH), this pump features water sensing technology that activates the pump when water is detected at a level of 60 mm. It operates on both 12V and 24V systems and is equipped with a corrosion-resistant housing, making it ideal for marine environments. The built-in water sensor eliminates the need for a separate float switch, providing hassle-free operation. |
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1-2 weeks delivery time The Rule-Mate 800 Automatic Bilge Pump is a reliable and efficient solution for water removal from your boat's bilge or compartments. Capable of pumping up to 50 liters of water per minute, this pump operates on both 12V and 24V electrical systems. Featuring an automatic switch, it activates when water accumulates to a certain level, ensuring the bilge stays dry without manual intervention. |
$ 185,42
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1-2 weeks delivery time The Rule-Mate 1100 Automatic Bilge Pump is a high-performance water pump designed for boats and yachts. Capable of operating on both 12V and 24V electrical systems, it efficiently pumps out up to 4164 liters of water per hour. The automatic operation ensures the pump activates when water reaches a specific level, keeping the bilge dry and preventing flooding. |
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1-2 weeks delivery time The Rule-Mate 1500 Automatic Bilge Pump is an essential pump for boats and yachts, designed to automatically remove water from the bilge or compartments. Operating on a 12V system, it pumps up to 5800 liters of water per hour (96 liters per minute), preventing flooding and ensuring a dry interior. Its automatic activation provides convenience and peace of mind, making it an indispensable tool for both recreational and professional maritime use. |
$ 363,22
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1-2 weeks delivery time The Rule-Mate 2000 Automatic Bilge Pump is a powerful and reliable pump designed for marine vessels, including yachts and boats. With an impressive pumping capacity of 7750 liters per hour (129 liters per minute), this pump efficiently removes water from the bilge or compartments. Its automatic activation ensures that it operates when water reaches a certain level, providing peace of mind to boat owners in all conditions, particularly during heavy rain or rough seas. Available in both 12V and 24V versions, this pump is essential for maintaining a dry and safe vessel. |
$ 418,83
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1-2 weeks delivery time The Rule GOLD Bilge Pump is a high-performance pump available in three different models with capacities of 95 liters per minute, 126 liters per minute, and 233 liters per minute. Designed for reliable water removal in marine vessels, this pump ensures swift and efficient performance to keep your bilge or compartment dry and safe. With advanced features and durable construction, it provides excellent value and versatility, making it a perfect choice for various boat types. |
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1-2 weeks delivery time The Osculati 16.117.64 – Rule 98B Grey Water Drain System 12V is a compact automatic pump unit designed to collect and evacuate grey water from showers, sinks, and air conditioning condensate systems on board. It includes a grey water tray with integrated strainer and multiple inlets for easy installation. Powered by a 12V motor, it delivers a flow rate of up to 55 liters per minute, making it an efficient and reliable solution for grey water management on boats. |
$ 436,81
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1-2 weeks delivery time The Osculati 16.117.65 – Rule 98B Grey Water Drain System 24V is an efficient marine grey water collection system featuring a 24-volt Rule 98B automatic pump. Designed for collecting wastewater from showers, sinks, and air conditioners, it includes an integrated tray with a removable strainer. With three inlet ports and a 55 l/min flow rate at only 1.8 A current draw, this system offers quiet, reliable drainage with minimal power consumption — ideal for larger vessels or 24V onboard electrical systems. |
$ 448,21
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1-2 weeks delivery time The Osculati 16.203.01 Rule Tank Aerator Pump with Transom Outlet is a versatile solution for aerating tanks. It's designed for easy disassembly and cleaning, ensuring convenient maintenance. With a remarkably quiet operation, it won't disrupt the tranquility of your aquatic environment. Operating at 12V, it delivers a flow rate of 45 liters per minute while drawing 2.8/4 amps, making it efficient and effective. Its angled inlet is ideal for thru-hull applications, offering flexibility in installation. Overall, it's a reliable choice for maintaining optimal oxygen levels in your tanks with minimal noise and hassle. |
$ 189,14
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1-2 weeks delivery time The Osculati 16.203.02 Rule Tank Aerator Pump with Vertical Outlet is designed for efficient water circulation in marine tanks. It boasts easy disassembly and cleaning features, ensuring hassle-free maintenance. Operating almost silently, it offers a peaceful environment onboard. With a 12V power supply, it delivers a flow rate of 45 liters per minute while drawing 2.8/4 Amps of current. Its straight inlet design makes it suitable for thru-hull applications, providing versatility and reliability for marine environments. |
$ 168,12
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1-2 weeks delivery time The Osculati 16.203.03 Rule Tank Aerator Pump with Inside Outlet is an ideal solution for marine tank circulation needs. It's designed for easy maintenance with simple disassembly and cleaning features. Operating quietly, it ensures a peaceful environment onboard. Powered by a 12V supply, it offers a flow rate of 45 liters per minute while drawing 2.8/4 Amps of current. Its seacock inlet design makes it suitable for seacock applications, providing versatility and reliability in marine environments. |
$ 154,53
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1-2 weeks delivery time The Osculati 16.205.00 Rule Dual Port Centrifugal Pump serves as a versatile water circulation solution, commonly utilized in livewell/baitwell tanks and as a fitting for washdown pumps, particularly prevalent on fishing boats. Its design necessitates only a single bore on the hull, simplifying installation. With a 12V power supply, it delivers a substantial flow rate of 100 liters per minute. Its hose adaptor, available in sizes 25 (1") and 28.6 (1" 1/8"), ensures compatibility with various plumbing setups, making it a reliable choice for marine applications. |
$ 502,85
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1-2 weeks delivery time The Rule 1000 Submersible 12V pump is a highly efficient and compact solution specifically designed for smaller vessels, offering a maximum output of 63 liters per minute (14 gallons per minute). This reliable submersible pump is perfect for applications such as bilge pumping, water transfer, and emergency drainage, ensuring that your vessel stays dry even in challenging conditions. The durable plastic body and petrol-resistant strainer base enhance the pump’s longevity and reliability, while the ignition-protected motor ensures safe operation in marine environments. Featuring low amp draw, the Rule 1000 helps conserve battery power, making it an ideal choice for energy-conscious boat owners. With 36 mounting variations, installation is versatile and simple, and it can be easily automated when paired with Rule float switches. Whether for recreational boating or commercial use, the Rule 1000 Submersible pump delivers dependable, efficient performance when you need it most. |
$ 123,91
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1-2 weeks delivery time The Rule 20F - Rule 800 Square Submersible 12V pump is a compact, high-performance solution for smaller vessels. With a flow rate of up to 50 liters per minute (11 gallons per minute) and a maximum discharge head of 2 meters, this submersible pump is perfect for bilge pumping, water transfer, and livewell circulation. Its low amp draw ensures energy efficiency, conserving battery power for extended use. The durable plastic body and petrol-resistant strainer base guarantee reliable operation in tough marine conditions. Featuring 36 mounting variations for flexible installation and ignition protection for added safety, this pump is designed for hassle-free, automatic operation when paired with Rule Float Switches. Its easy-to-install design and versatility make it a must-have for any small boat, yacht, or watercraft, ensuring efficient and reliable water management in tight spaces. |
$ 96,11
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1-2 weeks delivery time The Rule 20RS is a compact, fully automatic 12V bilge pump ideal for ski-boats and small vessels. It features a computerized operation for efficient water removal, with an output of up to 50 litres per minute and a maximum discharge head of 2 meters. The pump is designed for 19mm (3/4") bore hose, includes a quick-release inlet strainer for easy cleaning, and is ignition protected. With a low amp draw to conserve battery life and a third wire for manual override, it weighs approximately 0.41 kg. |
$ 67,52
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1-2 weeks delivery time Introducing the Rule 25S-24 - Rule Fully Automatic 500 Submersible 24V pump. This submersible marvel by Rule operates seamlessly at 24 volts, delivering a robust 500 gallons per hour. Boasting fully automatic functionality, it's an ideal choice for marine applications and water management. Trust in its reliability and efficiency for all your submersible pumping needs. |
Our managers will contact you and clarify the terms of the order
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For more bilge pump switch options, explore our Rule Bilge Pump Switch.
For enhanced bilge pump automation, explore our Rule Float Switch, designed for reliable water level control and pump activation. These solutions are especially effective when paired with Bilge Pumps for Small Boats, ensuring efficient operation in compact marine systems.
For marine use, the Rule Automatic Bilge Pump offers reliable, hands-free operation to keep bilges dry and vessels safe. Trusted by professionals and boat owners worldwide, Rule pumps are known for their durability, efficiency, and smart activation features.