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Rule Bilge Pump

      Rule Bilge Pump Product Listings

      • Rule Mate Automatic Bilge Pump
        $86.70
        $75.39

        Rule Mate Automatic Bilge Pump Rule has been building bilge pumps for over 30 years. These pumps are preferred by recreational boaters, yachtsmen, and by commercial fishermen everywhere. An all-in-one pump and switch, Rule Mate automatic bilge pumps are...

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      • Rule-A-Matic Plus Automatic Bilge Pump Float Switch 40A
        $85.39
        $55.49

        Rule-A-Matic Plus Automatic Bilge Pump Float Switch 40A The Rule-A-Matic Plus Automatic Bilge Pump Float Switch features a strong, fully integrated, and impact-resistant cover that protects against debris and jamming. It activates when the...

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      • Rule-A-Matic Float Switch 35A
        $66.59
        $43.29

        Rule-A-Matic Bilge Pump Float Switch 35A The Rule-A-Matic Bilge Pump Float Switch is designed for automatic on/off bilge pump control. Rule-A-Matic Plus bilge switches have 14 gauge highly abrasive resistant, marine-grade blocked wire and exclusive...

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      • Rule Non-Automatic 12 Volt Bilge Pump With 1-1/8'' Discharge
        $175.29
        $113.89

        Rule Non-Automatic 12 Volt Bilge Pump With 1-1/8'' Discharge The Rule Non-Automatic 12 Volt Bilge Pump With 1-1/8'' Discharge features a high pumping capacity and reliability at a lower cost. Containing more exclusive design features than any comparable...

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      • Rule Non-Automatic 1100 GPH Bilge Pump 27DA
        $90.79
        $58.99

        Rule Non-Automatic 1100 GPH 12 Volt Bilge Pump 27DA Rule Non-Automatic Bilge Pumps deliver ultimate pumping performance in an easy-to-install pump. It has an optimized impeller to provide greater flow at the same amperage. This bilge pump features back...

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      • Rule 3-Way Rocker Panel Bilge Pump Switch 43
        $61.79
        $40.09

        Rule 3-Way Rocker Panel Bilge Pump Switch 43 The Rule 3-Way Rocker Panel Bilge Pump Switch is a 12V switch with a black plastic panel. It features a fail-safe spring return that prevents the pump from being left on when used manually. With 3...

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      • Rule 1100 GPH Automatic Bilge Pump 27SA
        $215.59
        $140.19

        Rule 1100 GPH Automatic Bilge Pump 27SA The Rule 1100 GPH Automatic Bilge Pump provides the ultimate pumping performance, which helps keep your bilge clear of nuisance water. Rule pumps are tested to the highest standards to deliver the best performance...

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      • Rule Super Float Switch 37A
        $99.19
        $64.49

        Rule Super Switch Bilge Pump Float Switch 37A The Rule Super Switch Float Switch is a non-mercury bilge pump float switch designed for the toughest applications and used with bilge pumps drawing up to 20 Amps. Rule Float Switches are for automatic...

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      • Rule Non-Automatic 800 GPH Bilge Pump 20DA
        $79.69
        $51.79

        Rule Non-Automatic 800 GPH Bilge Pump 20DA Rule non-automatic bilge pumps pumps deliver ultimate pumping performance in an easy-to-install pump. It has an optimized impeller to provide great flow at the same amperage. This bilge pump features back flow...

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      • Rule Automatic 800 GPH Bilge Pump 20SA
        $175.39
        $113.99

        Rule Automatic 800 GPH Bilge Pump 20SA Rule offers the 800 GPH (3028 LPH) pump in a round version. This pump features many mounting variations as well as a gas resistant strainer base. Float switches are not required for these fully automatic pumps...

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      • Rule 3 Way Lighted Switch Panel 41
        $60.29
        $39.19

        Rule 3-Way Lighted Switch Panel 41 The Rule 3-Way Lighted Switch Panel controls any pump equipped with an automatic float switch. The toggle control has three positions - automatic, off, or manual. When set to automatic, the switch panel will allow a...

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      • Rule Non-Automatic Heavy Duty 3700 GPH Bilge Pump 14A
        $405.59
        $259.59

        Rule Non-Automatic Heavy Duty 3700 GPH Bilge Pump 14A This Rule 3700 GPH submersible bilge pump features heavy duty construction for both commercial and pleasure boat use and is known for trouble free operation and reliability. Rule's line of...

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      • Rule Non-Automatic 4000GPH Bilge Pump 56D
        $431.79
        $280.69

        Rule Non-Automatic 4000 GPH Bilge Pump 56D Designed for the toughest applications, the 4000 GPH (15140 LPH) pump optimizes Rule's exclusive design features to produce the highest capacity available for a pump its size. Rule bilge pumps are the first...

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      Choosing the Right Rule Bilge Pump

      To choose the right bilge pump, consider your boat size, how much water you need to move, and whether you want automatic operation. Rule bilge pumps are offered in a range of capacities to support small boats through larger vessels that benefit from higher flow rates.

      Automatic vs Manual Bilge Pumps

      Automatic bilge pumps provide hands-off protection by activating when water is detected or on a timed cycle (depending on the model). Manual bilge pumps require a switch or control panel to operate and are commonly used as backups or in simpler bilge systems.

      Understanding GPH Ratings

      Bilge pump capacity is measured in gallons per hour (GPH). Smaller boats commonly use pumps in the 500–800 GPH range, while larger boats or boats with greater water intrusion risk often use higher-capacity pumps. Selecting the right GPH helps keep the bilge drier without unnecessary electrical load.

      Built for Marine Conditions

      Rule bilge pumps are designed for harsh marine environments, using corrosion-resistant materials and durable motor designs to withstand moisture, vibration, and frequent cycling. For best results, pair your pump with appropriate hose size and a reliable switch method for your system.

      FAQs About Rule Bilge Pumps

      How long does a Rule bilge pump last?

      With proper installation and routine inspection, a Rule bilge pump can provide many seasons of reliable service. Lifespan depends on usage frequency, operating conditions, and maintenance.

      Can Rule bilge pumps be used in saltwater?

      Yes. Rule bilge pumps are designed for both freshwater and saltwater use and are built with marine-grade materials to help resist corrosion.

      Do I need an automatic bilge pump?

      Automatic bilge pumps are recommended for most boats, especially those left unattended, because they can activate without manual operation. Manual pumps are often used as backups or for simpler systems.

      How do I choose the correct GPH rating?

      The correct GPH rating depends on your boat size, bilge volume, and expected water intrusion. Larger boats typically benefit from higher-capacity bilge pumps.