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.
Fast deliveries of yacht equipment, calculation, selection of analogues and spare parts. Send us your request and we will contact you ASAP with a solution. We deliver in Cyprus, throughout Europe and worldwide. More than 10 years of experience.
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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. |
$ 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). |
$ 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. |
$ 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. |
$ 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. |
$ 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. |
$ 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. |
$ 25.10
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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. |
$ 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. |
$ 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. |
$ 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. |
$ 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. |
$ 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). |
$ 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). |
$ 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. |
$ 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. |
$ 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. |
$ 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. |
$ 92.76
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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.