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 27DA submersible bilge pump is a 12V unit rated at 4164 LPH (69 LPM / 18 GPM) for marine water removal. It features a durable plastic body, built-in thermal cut-off protection, a check valve, and hidden air vents to help prevent air-locking. The pump includes a threaded discharge, a quick-release strainer for cleaning, hose connections for 25 mm (1 inch) and 28 mm (1-1/8 inch), and a base compatible with Rule 27D screw holes; approvals listed are ISO8846 and ISO8849.
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$ 87.83
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1-2 weeks delivery time The Rule 27DA-24 submersible bilge pump is a 24V DC unit rated at 4164 LPH (1100 GPH) at open flow, delivering 3255 LPH at 1 metre head and 2081 LPH at 2 metres head, with a maximum head up to 2.2 metres. It includes a built-in thermal cut-off, check valve, hidden air vents to reduce air-locking, threaded discharge, and a quick-release strainer in durable plastic housing. Hose connections are 25 mm (1 inch) and 28 mm (1-1/8 inch); dimensions are 112 x 74 x 64 mm, with 1.9A at 24V (2.4A at 27.2V) and a 3A fuse rating, CE certified and approved to ISO8846 and ISO8849, backed by a 3-year warranty and listed as replacing Rule 28D.
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$ 104.80
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1-2 weeks delivery time The Rule 27DA-JNNNA high-performance pump (1100STDPUMP) combines a 1 1/8 inch diameter with a rating of 12 and an NCV feature to support smooth, efficient operation across various applications.
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$ 124.53
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1-2 weeks delivery time The Rule 27DM Rule 1100 GPH 12V pump bulkpack delivers reliable, efficient pumping for marine applications, combining high performance with durability for boating use. With a 12V power supply and 1100 GPH capacity, this bulkpack of 30 supports a consistent pump solution for a range of on-board needs.
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$ 79.44
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1-2 weeks delivery time The Rule 27SA fully automatic submersible bilge pump is a 12V DC unit for small boats that delivers up to 4140 LPH (up to 69 L/min without check valve). It features a built-in sensor switch, thermal cut-off, quick-release/quick-clean inlet strainer, and an included check valve to help prevent backflow. The pump draws 3.7 amps (6 amp fuse), supports a max recommended discharge head of 2 m, fits 25 mm (1 inch) and 28 mm (1 1/8 inch) hoses, and measures 120 mm high x 64 mm wide x 74 mm deep.
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$ 218.61
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1-2 weeks delivery time The Rule 27SA-24 fully automatic submersible bilge pump is a 24V DC unit rated up to 69 L/min (15 GPM) with a 1.9 A current draw and a recommended discharge head up to 2 m. It features computerized automatic operation (no separate float switch required), a thermal cut-off, vented body to prevent air locking, and an included check valve for backflow prevention. The pump has a durable plastic body, threaded ports for 25 mm (1 inch) and 28 mm (1 1/8 inch) bore hoses, a quick-release inlet strainer, third-wire manual override, and measures 120 x 64 x 74 mm (H x W x L).
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$ 314.17
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1-2 weeks delivery time The Rule 32ALA high-water bilge alarm system is a 24V DC safety device for monitoring rising bilge water levels using a Rule-a-Matic Plus float switch with an in-dash gauge. It provides an LED visual indicator and an 85 dB audible alarm, uses surface mounting, includes thermal cut-off protection, and draws up to 14 amps. The gauge diameter is 60 mm; operating temperature is 32°F (0°C) to 140°F (60°C), packaged dimensions are 24.00 x 16.00 x 16.00 cm, and actual weight is 0.24 kg (approx. 0.44 kg packed).
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$ 156.28
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1-2 weeks delivery time The Rule 33ALA high-water bilge alarm system is a 12V DC monitoring and alert unit that warns of rising bilge water using both a visual indicator and an 85 dB audible alarm. It includes a Rule-a-Matic Plus float switch and a compact in-dash gauge (60 mm diameter) with a 54 mm (2.1 inch) cut-out size, is ignition-protected, and carries an IP67 rating. Maximum current is 14 A, operating temperature range is -20°C to 60°C, the casing is corrosion-resistant plastic, and it supports additional float switches for monitoring multiple compartments; actual weight is 0.29 kg (approx. 0.49 kg packed) with packaged dimensions of 24 x 16 x 16 cm and a 1-year warranty.
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$ 139.03
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1-2 weeks delivery time The Rule 35A automatic bilge float switch is a compact, mercury-free switch for marine bilge pump control in tight spaces. It is rated to 14A and supports 12V to 24V DC systems, with mounting options for loose installation or mounting on a bilge pump. Key details include 110mm height at maximum lift, 51mm fixing-hole center spacing, detachable mounting base, and a listed product weight of 0.1 kg.
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$ 57.67
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1-2 weeks delivery time The Rule 35ADM float switch delivers reliable fluid-level control with a 35-amp capacity and a durable, compact design for marine and industrial applications. It uses a float mechanism for dependable switching in fluid-related processes, is designated as B, comes in white, and is compatible with Deutsch connectors for secure connectivity.
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$ 92.20
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1-2 weeks delivery time The Rule-A-Matic OEM component is supplied as an original equipment manufacturer part; no further technical specifications are provided in the available data.
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$ 92.76
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1-2 weeks delivery time The Rule Rule-A-Matic float switch is a narrow-design automatic bilge pump switch designed to turn a bilge pump on as water rises and off once water is pumped out. It is mercury-free to help minimize rapid on/off cycling, includes a fuse holder, and is rated up to 14A on 12V to 24V DC systems. Dimensions include 40mm width, 110mm height at max lift, 51mm fixing hole center spacing, and a product weight of 0.1 kg.
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$ 73.11
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1-2 weeks delivery time The Rule Model 36 float switch guard is a protective accessory designed to shield a bilge pump float switch from damage caused by debris. It is easy to install and helps maintain proper operation and longevity of the bilge pump system.
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$ 10.46
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1-2 weeks delivery time The Rule 360 submersible pump is a compact 12V DC unit rated at 2.5A with a water capacity of 23 l/min and a maximum head height of 2 m. It uses a 19 mm connection and has overall dimensions of 8.9 x 6.0 cm.
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$ 42.15
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1-2 weeks delivery time The Rule 3700 submersible pump is a 12V unit with a 25A motor, rated for a capacity of 233 l/min and a maximum head height of 4 m. It uses a 38 mm connection and has dimensions of 18.4 x 12.4 cm.
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$ 401.58
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1-2 weeks delivery time The Rule 3700 submersible pump operates on 24V with a 15A draw for fast drainage and water transfer. It provides a capacity of 233 l/min with a maximum head height of 4 m and uses a 38 mm connection. Overall dimensions (height x diameter) are 18.4 cm x 12.4 cm.
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$ 414.18
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1-2 weeks delivery time The Rule 37A automatic float switch controls a pump by switching on at a 51 mm water level and switching off at 19 mm. It is mercury-free, corrosion-resistant, and uses long-life seals with waterproof grommet protection and blocked wiring. The unit has a detachable mounting base and supports pumps up to 20A (12V), 10A (24V), and 6.5A (32V); listed dimensions include 5.7 cm (H) x 12.7 cm (L) x 5.1 cm (W) and 105 mm (L) x 40 mm (W) x 110 mm (H at maximum lift), with product weight 0.19 kg.
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$ 96.53
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1-2 weeks delivery time The Rule 37FA float-operated bilge pump switch provides automatic on/off control for bilge pumps and is designed to help prevent rapid on/off cycling. It is a compact unit with a built-in fuse holder, rated for a maximum current of 20 amps, and measures 105 mm long x 40 mm wide x 110 mm high (at maximum lift). Unit weight is 0.15 kg, and approximately 0.35 kg when packed.
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$ 99.59
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1-2 weeks delivery time The Rule Eco-Switch bilge pump control switch is a remote-mounted 12V automatic switch rated 0–20A that activates a bilge pump using compressed air through a tube connected to a plastic bell in the water. The bulkhead-mounted design keeps wiring and switch electronics above the bilge water level, uses a non-mercury design with no submerged electrical connections, and has no moving internal parts. Dimensions are 4.8 cm (H) x 15.2 cm (L) x 7.0 cm (W) with a shipping weight of 0.40 kg; order number 00304484, barcode 042237085184.
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$ 120.22
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1-2 weeks delivery time The Rule 39-24 Eco Switch is a remote-mounted 24V DC bilge pump control switch rated up to 10A that uses air pressure (compressed air in a tube and bell) to trigger pump operation. The non-submerged electronic system mounts above the bilge water level and activates when the bell fills with water; ignition protected and designed as a non-mercury alternative. Switch dimensions are 155 x 75 x 48 mm and bell dimensions are 100 x 60 x 30 mm, with pre-set switch levels of 57 mm ON and 25 mm OFF.
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$ 122.78
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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.