Rule pumps are reliable marine bilge pumps known for their durability and efficiency. They are commonly used in boats and yachts to remove excess water from the bilge area, ensuring the vessel remains dry and safe. Rule pumps come in various sizes and models to accommodate different types of vessels and water pumping needs. Rule pumps, manufactured by Rule Industries, are renowned for their robustness and effectiveness in marine applications. These submersible bilge pumps, available in various sizes such as 2000 GPH and 4000 GPH, are designed to keep your bilge clear of nuisance water, ensuring optimal performance even in demanding conditions. Boaters can find a wide selection of Rule pumps, including non-automatic and fully automated models, at reputable marine plumbing shops or online retailers like Amazon.com, offering the ultimate pumping performance for maintaining a dry bilge.
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1-2 weeks delivery time The Rule 20RS fully automatic submersible bilge pump is a compact 12V DC unit for ski-boats and small vessels, using computerized operation for automatic water removal. It delivers up to 50 litres per minute (11 gallons per minute) with a maximum recommended discharge head of 2 meters, fits 19 mm (3/4 inch) bore hose, and includes a quick-release inlet strainer for cleaning. The pump is ignition protected, has a low amp draw, includes a third wire for manual override, uses a 5 amp fuse, measures 108 mm high with a 60 mm base diameter, and weighs approximately 0.41 kg (0.61 kg packed).
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$ 63.83
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1-2 weeks delivery time The Rule 20RSB replacement pump is a 12V DC spare pump intended for a shower box system.
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$ 105.76
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1-2 weeks delivery time The Rule 20SA fully automatic submersible bilge pump is a 12V DC unit for small boats and compact vessels, delivering up to 50 L/min (11 GPM) with no separate float switch required. It draws 3.4 A (5 A fuse) and includes a built-in thermal cut-off, vented body to prevent air locking, and an included check valve for backflow prevention. The pump connects to 19 mm (3/4 inch) bore hose, has a 2 m maximum discharge head, measures 120 mm high with a 64 x 74 mm base, and uses a durable plastic body with a quick-release inlet strainer and threaded port for installation and maintenance.
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$ 207.31
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1-2 weeks delivery time The Rule 212 Y-fitting is a dependable plumbing component designed for use with 3/4 inch (19 mm) hoses, providing a secure connection point for reliable, leak-free performance. Built from durable materials, it supports a strong fit for a wide range of hose plumbing applications where consistent connections matter.
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$ 41.24
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1-2 weeks delivery time The Rule model 240 in-line ventilation blower is a 12V DC unit rated for 6.7 m³/min airflow (235 CFM) for marine ventilation in areas such as engine rooms and bilges. It fits 100 mm (4 inch) hose connections (ducting size 102 mm), draws 4.3A, and is listed with a 7A fuse (also stated as 7.5A). The blower is continuously rated, designed for quiet operation, and uses corrosion-resistant, sealed components; dimensions are given as 130 x 150 x 120 mm (L x W x H) and also as 13.7 x 15.2 x 12.1 cm (L x W x H), with weight 0.58 kg (shipping weight 0.80 kg).
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$ 68.08
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1-2 weeks delivery time The Rule 240-24V inline marine ventilation blower is a 24V DC continuous-duty unit for engine room or bilge airflow. It delivers 6.7 m³/min (235 CFM) and is designed for 100 mm (4 inch) hose connections / ducting, with a sealed, corrosion-resistant construction including a nickel-plated motor and sealed shaft. The blower can be mounted in any orientation and is listed with current draw values of 2.4A (also noted as approx. 4.3A), fuse values of 4A (also noted as 7.5A), dimensions of 130 x 150 x 120 mm (also noted as 13.7 x 15.2 x 12.1 cm), and weight of 0.58 kg (shipping weight 0.80 kg).
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$ 85.38
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1-2 weeks delivery time The Rule 24DA submersible bilge pump is a compact 12V DC unit for bilge water removal, rated up to 23 litres per minute (also listed as 1362 LPH / 360 US GPH). It supports heads up to 2.2 m, connects to a 19 mm (3/4 inch) hose, and uses a tough plastic body with a quick-release strainer, hidden air vents to help prevent air locking, and a check valve for backflow prevention. It is ignition protected and includes thermal cut-off protection; dimensions are 74 x 64 x 99 mm and weight is 0.41 kg (order number 00304471, barcode 042237104700).
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$ 42.18
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1-2 weeks delivery time The Rule 24DA-35A bilge pump and switch combo pairs the Rule 24DA 12V DC pump (1362 LPH / 360 US GPH) with a narrow float switch for automatic operation in confined bilge spaces. It includes thermal cut-off protection, a built-in check valve for backflow prevention, hidden air vents to reduce air-locking, and a threaded discharge for easier maintenance. Pump hose connection is 19 mm (3/4 inch), maximum head is 2.2 m, current draw is 2.1A at 12V (2.4A at 13.6V), and the recommended fuse is 2.5A.
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$ 109.38
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1-2 weeks delivery time The Rule 255 oxygenator aerator kit is a 12V DC pump assembly for improving water circulation and oxygenation in aquatic systems, delivering up to 44 L/min (10 GPM) at a 1-meter head. It features quiet operation, a foam filtration system, ignition protection, corrosion-resistant components, and an adjustable spray head for flow regulation. Packaged dimensions are 21.00 x 9.00 x 33.00 cm, with an actual weight of 0.42 kg (approx. 0.62 kg packed), and it is suitable for 0°C to 40°C operation in freshwater or saltwater use.
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$ 203.53
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1-2 weeks delivery time The Rule 25DA submersible bilge pump is a 12V DC unit for water removal in small boats and ski-boats, rated up to 1893 LPH (also stated as 31 L/min and 500 US GPH). It connects to a 19 mm (3/4 inch) hose and is specified with a 2 m maximum head, 1.6A current draw (also listed as 1.8A max at 13.6V), thermal cut-off protection, an included check valve, and a vented body to prevent air locking. Dimensions are 74 x 64 x 99 mm and weight is 0.41 kg; motor life is rated for 1500 hours, with fuse size listed as 2.5A and also 4A in the provided specifications.
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$ 51.01
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1-2 weeks delivery time The Rule 25DA-24 is a compact, non-automatic submersible bilge pump for 24V DC marine systems with an open-flow capacity of 1892 LPH (500 US GPH). It uses a 19mm (3/4 inch) outlet for ID hose and a threaded discharge, with a maximum head up to 2.2 m (recommended max 2 m). The pump features a tough plastic body, optimized impeller, hidden air vents to reduce air-locking, a built-in thermal cut-off, and an integrated check valve to help prevent backflow; it is ignition protected and listed with ISO8846, ISO8849, and CE approvals.
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$ 63.40
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1-2 weeks delivery time The Rule 25DA-35A submersible pump and switch combo is a 12V marine water-transfer unit supplied with a Rule-A-Matic non-mercury float switch for automatic operation. It is intended for onboard pumping tasks such as draining bilges and general water removal in marine environments.
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$ 138.02
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1-2 weeks delivery time The Rule 25DA-ANAAA pump unit combines a 3/4 in port with a DT connection to simplify installation and servicing across various applications. Built without a check valve, it supports straightforward system integration while emphasizing reliable performance and long-lasting durability.
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$ 70.84
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1-2 weeks delivery time The Rule 25S fully automatic submersible bilge pump is a compact 12V unit designed for marine bilge pumping. It senses water level and activates automatically for efficient drainage without manual intervention, making it suitable for boats and recreational vehicles.
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$ 157.23
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1-2 weeks delivery time The Rule 25SA automatic submersible bilge pump is a 12V DC unit from the Rule 500 series that checks for water every 2.5 minutes and runs automatically without a separate float switch. It is rated up to 1893 LPH (500 US GPH) open flow, with listed performance of 31.5 LPM at 0 m, 22.7 LPM at 1 m, and 16.4 LPM at 2 m. The pump includes thermal cut-off protection, an integrated check valve, hidden air vents to help prevent air-locks, and a 19 mm (3/4 inch) hose connection with 3/4 inch threaded discharge ports; dimensions are 107 mm (H) x 64 mm (W) x 74 mm (D).
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$ 140.64
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1-2 weeks delivery time The Rule 25SA-24 fully automatic submersible bilge pump is designed for 24V systems and provides 1893 LPH (500 US GPH) open flow with sensor-based activation every 2.5 minutes, eliminating the need for an external float switch. It features a 19 mm (3/4 inch) hose connection with 3/4 inch thread, threaded discharge ports, a check valve to reduce backflow and odors, hidden air vents to minimize air-lock, and a built-in thermal cut-off for protection. Flow is rated at 31.5 LPM at 0 m, 22.7 LPM at 1 m, and 16.4 LPM at 2 m; dimensions are 107 x 64 x 74 mm, and it replaces the Rule 25S-24.
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$ 175.24
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1-2 weeks delivery time The Rule 25SA-6 automatic bilge pump unit provides compact, energy-efficient water removal for small boats and ski-boats using a 12V DC motor. It delivers up to 31 litres per minute (7 gallons per minute) with only 0.8 amps draw, while a built-in thermal cut-off helps protect the motor. Installation and upkeep are simplified by a threaded port and quick-release inlet strainer, and operation is supported by an included check valve to prevent backflow, a vented body to avoid air locking, and a third wire for manual override; it connects to 19 mm (3/4") hose and suits both freshwater and saltwater use.
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$ 207.39
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1-2 weeks delivery time The Rule 275 blue strainer base is a durable plastic intake strainer base designed for Rule 360 to 1100 series round submersible pumps to help filter debris and prevent blockages. It features a quick-release design for fast cleaning, measures 95 mm x 64 mm x 74 mm, and weighs 0.02 kg (approx. 0.22 kg packed); listed shipping weight is 0.10 kg.
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$ 12.91
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1-2 weeks delivery time The Rule 278 round strainer is a red debris filter base designed for Rule 1500 and 2000 series pumps (1500–2000 GPH range). It helps protect the pump by filtering unwanted particles to support performance and service life, and has an approximate shipping weight of 0.20 kg.
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$ 41.24
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1-2 weeks delivery time The Rule 279 strainer base is a round mounting base for Rule submersible pumps, designed to provide stable alignment and secure installation in marine environments. It is made from high-strength, corrosion-resistant plastic with UV and saltwater resistance, is supplied in black, and is intended for simple installation without specialized tools. Specifications listed include weight 0.12 kg (approx. 0.32 kg packed), packaged dimensions 24.00 x 16.00 x 16.00 cm, and shipping weight 0.40 kg.
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$ 25.10
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What types of Rule pumps are available for marine applications?
Rule offers a diverse range of pumps tailored for marine applications, including bilge pumps, livewell pumps, and washdown pumps. These pumps come in various sizes and configurations to meet different vessel requirements. Additionally, Rule pumps are available with advanced features such as automatic operation, high capacity, and corrosion-resistant materials, ensuring efficient and reliable performance in harsh marine environments.
Rule's lineup of marine pumps, including their bilge pumps, livewell pumps, and washdown pumps, offers versatile solutions for various marine needs. With options available in 12-volt DC and other configurations, Rule pumps provide reliable performance whether it's for standard bilge applications, livewell circulation, or maintaining cleanliness on deck. Boaters can rely on Rule's expertise in marine pumping systems, backed by features like automatic operation and corrosion-resistant materials, ensuring durability and peace of mind on the water.
For more control options, explore our Rule Bilge Pump Switch.
Can Rule pumps handle different types of liquids besides water?
Rule pumps are primarily designed for marine applications and are optimized for handling water, including bilge water, livewell water, and freshwater. While Rule pumps are not explicitly intended for other types of liquids, some models may be capable of handling light-duty pumping tasks involving compatible fluids. However, it's crucial to consult the manufacturer's specifications and guidelines to ensure proper pump compatibility and performance.
While Rule pumps excel in marine environments, particularly for handling bilge and livewell water, it's important to note that they are not recommended for use as sump pumps or for applications involving heavy-duty liquids. Consulting the manufacturer's specifications and guidelines is crucial to determine the pump's suitability for specific tasks, ensuring optimal performance and longevity.
For seamless pump activation and automatic water management, explore our Rule Float Switch, designed for efficient and reliable bilge pump control.
What preventive measures can be taken to prolong the lifespan of Rule pumps?
To extend the lifespan of Rule pumps, regular maintenance is essential. This includes inspecting the pump and its components for any signs of wear or damage, such as corrosion or debris buildup, and cleaning them as needed. Additionally, ensuring that the pump is properly installed and securely mounted can help prevent unnecessary strain and prolong its operational efficiency. It's also advisable to adhere to the manufacturer's recommendations regarding operating conditions and usage limits to avoid premature wear and ensure optimal performance.
To maintain Rule pumps in optimal condition, regular upkeep is paramount. This involves thorough inspections for wear, corrosion, or debris accumulation, coupled with proper cleaning and adherence to installation guidelines. Following manufacturer recommendations regarding operating conditions and usage limits can significantly enhance the longevity and performance of these 12 volt pumps, ensuring reliable operation when needed most.